Merge tag 'mmc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC and MEMSTICK updates from Ulf Hansson:
 "MMC core:
   - Update maintainer and URL for the mmc-utils
   - Set default label for slot-gpio in case of no con-id
   - Convert MMC card DT bindings to a schema
   - Add optional host specific tuning support for eMMC HS400
   - Add error handling of add_disk()

  MMC host:
   - mtk-sd: Add host specific tuning support for eMMC HS400
   - mtk-sd: Make DMA handling more robust
   - dw_mmc: Prevent hangs for some data writes
   - dw_mmc: Move away from using the ->init_card() callback
   - mxs-mmc: Manage the regulator in the error path and in ->remove()
   - sdhci-cadence: Add support for the Microchip MPFS variant
   - sdhci-esdhc-imx: Add support for the NXP S32G2 variant
   - sdhci-of-arasan: Add support for the Intel Thunder Bay variant
   - sdhci-omap: Prepare to support more SoCs
   - sdhci-omap: Add support for omap3 and omap4 variants
   - sdhci-omap: Add support for power management
   - sdhci-omap: Add support for system wakeups
   - sdhci-msm: Add support for the msm8226 variant
   - sdhci-sprd: Verify that the DLL locks according to spec

  MEMSTICK:
   - Add error handling of add_disk()
   - A couple of small fixes and improvements"

* tag 'mmc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (60 commits)
  docs: mmc: update maintainer name and URL
  mmc: dw_mmc: exynos: Fix spelling mistake "candiates" -> candidates
  MAINTAINERS: drop obsolete file pattern in SDHCI DRIVER section
  mmc: sdhci-esdhc-imx: add NXP S32G2 support
  dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G2 support
  mmc: dw_mmc: Drop use of ->init_card() callback
  mmc: sdhci-omap: Fix build if CONFIG_PM_SLEEP is not set
  mmc: sdhci-omap: Remove forward declaration of sdhci_omap_context_save()
  memstick: r592: Fix a UAF bug when removing the driver
  mmc: mxs-mmc: disable regulator on error and in the remove function
  mmc: sdhci-omap: Configure optional wakeirq
  mmc: sdhci-omap: Allow SDIO card power off and enable aggressive PM
  mmc: sdhci-omap: Implement PM runtime functions
  mmc: sdhci-omap: Add omap_offset to support omap3 and earlier
  mmc: sdhci-omap: Handle voltages to add support omap4
  dt-bindings: sdhci-omap: Update binding for legacy SoCs
  mmc: sdhci-pci: Remove dead code (rst_n_gpio et al)
  mmc: sdhci-pci: Remove dead code (cd_gpio, cd_irq et al)
  mmc: sdhci-pci: Remove dead code (struct sdhci_pci_data et al)
  mmc: sdhci: Remove unused prototype declaration in the header
  ...

Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml

@@ -88,6 +88,12 @@ properties:
         description:
           For this device it is strongly suggested to include
           arasan,soc-ctl-syscon.
+      - items:
+          - const: intel,thunderbay-sdhci-5.1   # Intel Thunder Bay eMMC PHY
+          - const: arasan,sdhci-5.1
+        description:
+          For this device it is strongly suggested to include
+          clock-output-names and '#clock-cells'.
 
   reg:
     maxItems: 1
@@ -153,7 +159,6 @@ properties:
       The MIO bank number in which the command and data lines are configured.
 
 dependencies:
-  clock-output-names: [ '#clock-cells' ]
   '#clock-cells': [ clock-output-names ]
 
 required:
@@ -301,3 +306,22 @@ examples:
                    <&scmi_clk KEEM_BAY_PSS_SD0>;
           arasan,soc-ctl-syscon = <&sd0_phy_syscon>;
     };
+
+  - |
+    #define EMMC_XIN_CLK
+    #define EMMC_AXI_CLK
+    #define TBH_PSS_EMMC_RST_N
+    mmc@80420000 {
+          compatible = "intel,thunderbay-sdhci-5.1", "arasan,sdhci-5.1";
+          interrupts = <GIC_SPI 714 IRQ_TYPE_LEVEL_HIGH>;
+          reg = <0x80420000 0x400>;
+          clocks = <&scmi_clk EMMC_XIN_CLK>,
+                   <&scmi_clk EMMC_AXI_CLK>;
+          clock-names = "clk_xin", "clk_ahb";
+          phys = <&emmc_phy>;
+          phy-names = "phy_arasan";
+          assigned-clocks = <&scmi_clk EMMC_XIN_CLK>;
+          clock-output-names = "emmc_cardclock";
+          resets = <&rst_pss1 TBH_PSS_EMMC_RST_N>;
+          #clock-cells = <0x0>;
+    };

Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml

@@ -17,6 +17,7 @@ properties:
   compatible:
     items:
       - enum:
+          - microchip,mpfs-sd4hc
           - socionext,uniphier-sd4hc
       - const: cdns,sd4hc
 

Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml

@@ -34,6 +34,7 @@ properties:
           - fsl,imx6ull-usdhc
           - fsl,imx7d-usdhc
           - fsl,imx7ulp-usdhc
+          - nxp,s32g2-usdhc
       - items:
           - enum:
               - fsl,imx8mm-usdhc

Documentation/devicetree/bindings/mmc/mmc-card.txt

-mmc-card / eMMC bindings
-------------------------
-
-This documents describes the devicetree bindings for a mmc-host controller
-child node describing a mmc-card / an eMMC, see "Use of Function subnodes"
-in mmc.txt
-
-Required properties:
--compatible : Must be "mmc-card"
--reg        : Must be <0>
-
-Optional properties:
--broken-hpi : Use this to indicate that the mmc-card has a broken hpi
-              implementation, and that hpi should not be used
-
-Example:
-
-&mmc2 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mmc2_pins_a>;
-	vmmc-supply = <&reg_vcc3v3>;
-	bus-width = <8>;
-	non-removable;
-
-	mmccard: mmccard@0 {
-		reg = <0>;
-		compatible = "mmc-card";
-		broken-hpi;
-	};
-};

Documentation/devicetree/bindings/mmc/mmc-card.yaml

+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/mmc-card.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MMC Card / eMMC Generic Device Tree Bindings
+
+maintainers:
+  - Ulf Hansson <ulf.hansson@linaro.org>
+
+description: |
+  This documents describes the devicetree bindings for a mmc-host controller
+  child node describing a mmc-card / an eMMC.
+
+properties:
+  compatible:
+    const: mmc-card
+
+  reg:
+    const: 0
+
+  broken-hpi:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Use this to indicate that the mmc-card has a broken hpi
+      implementation, and that hpi should not be used.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    mmc {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        card@0 {
+            compatible = "mmc-card";
+            reg = <0>;
+            broken-hpi;
+        };
+    };
+
+...

Documentation/devicetree/bindings/mmc/mmc-controller.yaml

@@ -333,12 +333,6 @@ patternProperties:
               subnode describes. A value of 0 denotes the memory SD
               function, values from 1 to 7 denote the SDIO functions.
 
-      broken-hpi:
-        $ref: /schemas/types.yaml#/definitions/flag
-        description:
-          Use this to indicate that the mmc-card has a broken hpi
-          implementation, and that hpi should not be used.
-
     required:
       - reg
 

Documentation/devicetree/bindings/mmc/mtk-sd.yaml

@@ -119,6 +119,18 @@ properties:
       If present, HS400 command responses are sampled on rising edges.
       If not present, HS400 command responses are sampled on falling edges.
 
+  mediatek,hs400-ds-dly3:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Gear of the third delay line for DS for input data latch in data
+      pad macro, there are 32 stages from 0 to 31.
+      For different corner IC, the time is different about one step, it is
+      about 100ps.
+      The value is confirmed by doing scan and calibration to find a best
+      value with corner IC and it is valid only for HS400 mode.
+    minimum: 0
+    maximum: 31
+
   mediatek,latch-ck:
     $ref: /schemas/types.yaml#/definitions/uint32
     description:

Documentation/devicetree/bindings/mmc/sdhci-msm.txt

@@ -13,6 +13,7 @@ Required properties:
 		string is added to support this change - "qcom,sdhci-msm-v5".
 	full compatible strings with SoC and version:
 		"qcom,apq8084-sdhci", "qcom,sdhci-msm-v4"
+		"qcom,msm8226-sdhci", "qcom,sdhci-msm-v4"
 		"qcom,msm8974-sdhci", "qcom,sdhci-msm-v4"
 		"qcom,msm8916-sdhci", "qcom,sdhci-msm-v4"
 		"qcom,msm8992-sdhci", "qcom,sdhci-msm-v4"

Documentation/devicetree/bindings/mmc/sdhci-omap.txt

@@ -5,7 +5,11 @@ Refer to mmc.txt for standard MMC bindings.
 For UHS devices which require tuning, the device tree should have a "cpu_thermal" node which maps to the appropriate thermal zone. This is used to get the temperature of the zone during tuning.
 
 Required properties:
-- compatible: Should be "ti,dra7-sdhci" for DRA7 and DRA72 controllers
+- compatible: Should be "ti,omap2430-sdhci" for omap2430 controllers
+	      Should be "ti,omap3-sdhci" for omap3 controllers
+	      Should be "ti,omap4-sdhci" for omap4 and ti81 controllers
+	      Should be "ti,omap5-sdhci" for omap5 controllers
+	      Should be "ti,dra7-sdhci" for DRA7 and DRA72 controllers
 	      Should be "ti,k2g-sdhci" for K2G
 	      Should be "ti,am335-sdhci" for am335x controllers
 	      Should be "ti,am437-sdhci" for am437x controllers
@@ -24,6 +28,9 @@ Optional properties:
 		DMA specifiers listed in dmas. The string naming is to be "tx"
 		and "rx" for TX and RX DMA requests, respectively.
 
+Deprecated properties:
+- ti,non-removable: Compatible with the generic non-removable property
+
 Example:
 	mmc1: mmc@4809c000 {
 		compatible = "ti,dra7-sdhci";

Documentation/driver-api/mmc/mmc-tools.rst

@@ -2,10 +2,10 @@
 MMC tools introduction
 ======================
 
-There is one MMC test tools called mmc-utils, which is maintained by Chris Ball,
+There is one MMC test tools called mmc-utils, which is maintained by Ulf Hansson,
 you can find it at the below public git repository:
 
-	https://git.kernel.org/cgit/linux/kernel/git/cjb/mmc-utils.git/
+	https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git
 
 Functions
 =========

MAINTAINERS

@@ -16839,7 +16839,6 @@ M:	Adrian Hunter <adrian.hunter@intel.com>
 L:	linux-mmc@vger.kernel.org
 S:	Maintained
 F:	drivers/mmc/host/sdhci*
-F:	include/linux/mmc/sdhci*
 
 SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) MICROCHIP DRIVER
 M:	Eugen Hristev <eugen.hristev@microchip.com>

drivers/memstick/core/ms_block.c

@@ -1736,7 +1736,7 @@ static int msb_init_card(struct memstick_dev *card)
 	msb->pages_in_block = boot_block->attr.block_size * 2;
 	msb->block_size = msb->page_size * msb->pages_in_block;
 
-	if (msb->page_size > PAGE_SIZE) {
+	if ((size_t)msb->page_size > PAGE_SIZE) {
 		/* this isn't supported by linux at all, anyway*/
 		dbg("device page %d size isn't supported", msb->page_size);
 		return -EINVAL;
@@ -2156,10 +2156,14 @@ static int msb_init_disk(struct memstick_dev *card)
 		set_disk_ro(msb->disk, 1);
 
 	msb_start(card);
-	device_add_disk(&card->dev, msb->disk, NULL);
+	rc = device_add_disk(&card->dev, msb->disk, NULL);
+	if (rc)
+		goto out_cleanup_disk;
 	dbg("Disk added");
 	return 0;
 
+out_cleanup_disk:
+	blk_cleanup_disk(msb->disk);
 out_free_tag_set:
 	blk_mq_free_tag_set(&msb->tag_set);
 out_release_id:

drivers/memstick/core/mspro_block.c

@@ -1239,10 +1239,14 @@ static int mspro_block_init_disk(struct memstick_dev *card)
 	set_capacity(msb->disk, capacity);
 	dev_dbg(&card->dev, "capacity set %ld\n", capacity);
 
-	device_add_disk(&card->dev, msb->disk, NULL);
+	rc = device_add_disk(&card->dev, msb->disk, NULL);
+	if (rc)
+		goto out_cleanup_disk;
 	msb->active = 1;
 	return 0;
 
+out_cleanup_disk:
+	blk_cleanup_disk(msb->disk);
 out_free_tag_set:
 	blk_mq_free_tag_set(&msb->tag_set);
 out_release_id:

drivers/memstick/host/jmb38x_ms.c

@@ -882,7 +882,7 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt)
 
 	iounmap(host->addr);
 err_out_free:
-	kfree(msh);
+	memstick_free_host(msh);
 	return NULL;
 }
 
@@ -927,8 +927,7 @@ static int jmb38x_ms_probe(struct pci_dev *pdev,
 		goto err_out_int;
 	}
 
-	jm = kzalloc(sizeof(struct jmb38x_ms)
-		     + cnt * sizeof(struct memstick_host *), GFP_KERNEL);
+	jm = kzalloc(struct_size(jm, hosts, cnt), GFP_KERNEL);
 	if (!jm) {
 		rc = -ENOMEM;
 		goto err_out_int;

drivers/memstick/host/r592.c

@@ -838,15 +838,15 @@ static void r592_remove(struct pci_dev *pdev)
 	}
 	memstick_remove_host(dev->host);
 
+	if (dev->dummy_dma_page)
+		dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->dummy_dma_page,
+			dev->dummy_dma_page_physical_address);
+
 	free_irq(dev->irq, dev);
 	iounmap(dev->mmio);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 	memstick_free_host(dev->host);
-
-	if (dev->dummy_dma_page)
-		dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->dummy_dma_page,
-			dev->dummy_dma_page_physical_address);
 }
 
 #ifdef CONFIG_PM_SLEEP

drivers/mmc/core/block.c

@@ -2442,9 +2442,14 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 	/* used in ->open, must be set before add_disk: */
 	if (area_type == MMC_BLK_DATA_AREA_MAIN)
 		dev_set_drvdata(&card->dev, md);
-	device_add_disk(md->parent, md->disk, mmc_disk_attr_groups);
+	ret = device_add_disk(md->parent, md->disk, mmc_disk_attr_groups);
+	if (ret)
+		goto err_cleanup_queue;
 	return md;
 
+ err_cleanup_queue:
+	blk_cleanup_queue(md->disk->queue);
+	blk_mq_free_tag_set(&md->queue.tag_set);
  err_kfree:
 	kfree(md);
  out:

drivers/mmc/core/mmc.c

@@ -1224,6 +1224,14 @@ static int mmc_select_hs400(struct mmc_card *card)
 	mmc_set_timing(host, MMC_TIMING_MMC_HS400);
 	mmc_set_bus_speed(card);
 
+	if (host->ops->execute_hs400_tuning) {
+		mmc_retune_disable(host);
+		err = host->ops->execute_hs400_tuning(host, card);
+		mmc_retune_enable(host);
+		if (err)
+			goto out_err;
+	}
+
 	if (host->ops->hs400_complete)
 		host->ops->hs400_complete(host);
 

drivers/mmc/core/mmc_ops.h

@@ -38,7 +38,6 @@ int mmc_spi_read_ocr(struct mmc_host *host, int highcap, u32 *ocrp);
 int mmc_spi_set_crc(struct mmc_host *host, int use_crc);
 int mmc_bus_test(struct mmc_card *card, u8 bus_width);
 int mmc_can_ext_csd(struct mmc_card *card);
-int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
 int mmc_switch_status(struct mmc_card *card, bool crc_err_fatal);
 bool mmc_prepare_busy_cmd(struct mmc_host *host, struct mmc_command *cmd,
 			  unsigned int timeout_ms);

drivers/mmc/core/slot-gpio.c

@@ -39,24 +39,24 @@ static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
 
 int mmc_gpio_alloc(struct mmc_host *host)
 {
-	struct mmc_gpio *ctx = devm_kzalloc(host->parent,
-					    sizeof(*ctx), GFP_KERNEL);
-
-	if (ctx) {
-		ctx->cd_debounce_delay_ms = 200;
-		ctx->cd_label = devm_kasprintf(host->parent, GFP_KERNEL,
-				"%s cd", dev_name(host->parent));
-		if (!ctx->cd_label)
-			return -ENOMEM;
-		ctx->ro_label = devm_kasprintf(host->parent, GFP_KERNEL,
-				"%s ro", dev_name(host->parent));
-		if (!ctx->ro_label)
-			return -ENOMEM;
-		host->slot.handler_priv = ctx;
-		host->slot.cd_irq = -EINVAL;
-	}
+	const char *devname = dev_name(host->parent);
+	struct mmc_gpio *ctx;
+
+	ctx = devm_kzalloc(host->parent, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->cd_debounce_delay_ms = 200;
+	ctx->cd_label = devm_kasprintf(host->parent, GFP_KERNEL, "%s cd", devname);
+	if (!ctx->cd_label)
+		return -ENOMEM;
+	ctx->ro_label = devm_kasprintf(host->parent, GFP_KERNEL, "%s ro", devname);
+	if (!ctx->ro_label)
+		return -ENOMEM;
+	host->slot.handler_priv = ctx;
+	host->slot.cd_irq = -EINVAL;
 
-	return ctx ? 0 : -ENOMEM;
+	return 0;
 }
 
 int mmc_gpio_get_ro(struct mmc_host *host)
@@ -178,6 +178,10 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
 
+	/* Update default label if no con_id provided */
+	if (!con_id)
+		gpiod_set_consumer_name(desc, ctx->cd_label);
+
 	if (debounce) {
 		ret = gpiod_set_debounce(desc, debounce);
 		if (ret < 0)
@@ -226,6 +230,10 @@ int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
 
+	/* Update default label if no con_id provided */
+	if (!con_id)
+		gpiod_set_consumer_name(desc, ctx->ro_label);
+
 	if (debounce) {
 		ret = gpiod_set_debounce(desc, debounce);
 		if (ret < 0)

drivers/mmc/host/Kconfig

@@ -315,15 +315,17 @@ config MMC_SDHCI_TEGRA
 	  If unsure, say N.
 
 config MMC_SDHCI_S3C
-	tristate "SDHCI support on Samsung S3C SoC"
+	tristate "SDHCI support on Samsung S3C/S5P/Exynos SoC"
 	depends on MMC_SDHCI
 	depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
 	help
 	  This selects the Secure Digital Host Controller Interface (SDHCI)
 	  often referrered to as the HSMMC block in some of the Samsung S3C
-	  range of SoC.
+	  (S3C2416, S3C2443, S3C6410), S5Pv210 and Exynos (Exynso4210,
+	  Exynos4412) SoCs.
 
-	  If you have a controller with this interface, say Y or M here.
+	  If you have a controller with this interface (thereforeyou build for
+	  such Samsung SoC), say Y or M here.
 
 	  If unsure, say N.
 

drivers/mmc/host/Makefile

@@ -14,7 +14,6 @@ obj-$(CONFIG_MMC_SDHCI)		+= sdhci.o
 obj-$(CONFIG_MMC_SDHCI_PCI)	+= sdhci-pci.o
 sdhci-pci-y			+= sdhci-pci-core.o sdhci-pci-o2micro.o sdhci-pci-arasan.o \
 				   sdhci-pci-dwc-mshc.o sdhci-pci-gli.o
-obj-$(subst m,y,$(CONFIG_MMC_SDHCI_PCI))	+= sdhci-pci-data.o
 obj-$(CONFIG_MMC_SDHCI_ACPI)	+= sdhci-acpi.o
 obj-$(CONFIG_MMC_SDHCI_PXAV3)	+= sdhci-pxav3.o
 obj-$(CONFIG_MMC_SDHCI_PXAV2)	+= sdhci-pxav2.o

drivers/mmc/host/cqhci-core.c

@@ -902,8 +902,8 @@ static bool cqhci_timeout(struct mmc_host *mmc, struct mmc_request *mrq,
 	spin_unlock_irqrestore(&cq_host->lock, flags);
 
 	if (timed_out) {
-		pr_err("%s: cqhci: timeout for tag %d\n",
-		       mmc_hostname(mmc), tag);
+		pr_err("%s: cqhci: timeout for tag %d, qcnt %d\n",
+		       mmc_hostname(mmc), tag, cq_host->qcnt);
 		cqhci_dumpregs(cq_host);
 	}
 

drivers/mmc/host/dw_mmc-exynos.c

@@ -442,14 +442,14 @@ static inline u8 dw_mci_exynos_move_next_clksmpl(struct dw_mci *host)
 	return sample;
 }
 
-static s8 dw_mci_exynos_get_best_clksmpl(u8 candiates)
+static s8 dw_mci_exynos_get_best_clksmpl(u8 candidates)
 {
 	const u8 iter = 8;
 	u8 __c;
 	s8 i, loc = -1;
 
 	for (i = 0; i < iter; i++) {
-		__c = ror8(candiates, i);
+		__c = ror8(candidates, i);
 		if ((__c & 0xc7) == 0xc7) {
 			loc = i;
 			goto out;
@@ -457,7 +457,7 @@ static s8 dw_mci_exynos_get_best_clksmpl(u8 candiates)
 	}
 
 	for (i = 0; i < iter; i++) {
-		__c = ror8(candiates, i);
+		__c = ror8(candidates, i);
 		if ((__c & 0x83) == 0x83) {
 			loc = i;
 			goto out;
@@ -466,11 +466,11 @@ static s8 dw_mci_exynos_get_best_clksmpl(u8 candiates)
 
 	/*
 	 * If there is no cadiates value, then it needs to return -EIO.
-	 * If there are candiates values and don't find bset clk sample value,
-	 * then use a first candiates clock sample value.
+	 * If there are candidates values and don't find bset clk sample value,
+	 * then use a first candidates clock sample value.
 	 */
 	for (i = 0; i < iter; i++) {
-		__c = ror8(candiates, i);
+		__c = ror8(candidates, i);
 		if ((__c & 0x1) == 0x1) {
 			loc = i;
 			goto out;
@@ -485,7 +485,7 @@ static int dw_mci_exynos_execute_tuning(struct dw_mci_slot *slot, u32 opcode)
 	struct dw_mci *host = slot->host;
 	struct dw_mci_exynos_priv_data *priv = host->priv;
 	struct mmc_host *mmc = slot->mmc;
-	u8 start_smpl, smpl, candiates = 0;
+	u8 start_smpl, smpl, candidates = 0;
 	s8 found;
 	int ret = 0;
 
@@ -496,18 +496,18 @@ static int dw_mci_exynos_execute_tuning(struct dw_mci_slot *slot, u32 opcode)
 		smpl = dw_mci_exynos_move_next_clksmpl(host);
 
 		if (!mmc_send_tuning(mmc, opcode, NULL))
-			candiates |= (1 << smpl);
+			candidates |= (1 << smpl);
 
 	} while (start_smpl != smpl);
 
-	found = dw_mci_exynos_get_best_clksmpl(candiates);
+	found = dw_mci_exynos_get_best_clksmpl(candidates);
 	if (found >= 0) {
 		dw_mci_exynos_set_clksmpl(host, found);
 		priv->tuned_sample = found;
 	} else {
 		ret = -EIO;
 		dev_warn(&mmc->class_dev,
-			"There is no candiates value about clksmpl!\n");
+			"There is no candidates value about clksmpl!\n");
 	}
 
 	return ret;

drivers/mmc/host/dw_mmc.c

@@ -1611,37 +1611,32 @@ static void dw_mci_hw_reset(struct mmc_host *mmc)
 	usleep_range(200, 300);
 }
 
-static void dw_mci_init_card(struct mmc_host *mmc, struct mmc_card *card)
+static void dw_mci_prepare_sdio_irq(struct dw_mci_slot *slot, bool prepare)
 {
-	struct dw_mci_slot *slot = mmc_priv(mmc);
 	struct dw_mci *host = slot->host;
+	const u32 clken_low_pwr = SDMMC_CLKEN_LOW_PWR << slot->id;
+	u32 clk_en_a_old;
+	u32 clk_en_a;
 
 	/*
 	 * Low power mode will stop the card clock when idle.  According to the
 	 * description of the CLKENA register we should disable low power mode
 	 * for SDIO cards if we need SDIO interrupts to work.
 	 */
-	if (mmc->caps & MMC_CAP_SDIO_IRQ) {
-		const u32 clken_low_pwr = SDMMC_CLKEN_LOW_PWR << slot->id;
-		u32 clk_en_a_old;
-		u32 clk_en_a;
 
-		clk_en_a_old = mci_readl(host, CLKENA);
-
-		if (card->type == MMC_TYPE_SDIO ||
-		    card->type == MMC_TYPE_SD_COMBO) {
-			set_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);
-			clk_en_a = clk_en_a_old & ~clken_low_pwr;
-		} else {
-			clear_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);
-			clk_en_a = clk_en_a_old | clken_low_pwr;
-		}
+	clk_en_a_old = mci_readl(host, CLKENA);
+	if (prepare) {
+		set_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);
+		clk_en_a = clk_en_a_old & ~clken_low_pwr;
+	} else {
+		clear_bit(DW_MMC_CARD_NO_LOW_PWR, &slot->flags);
+		clk_en_a = clk_en_a_old | clken_low_pwr;
+	}
 
-		if (clk_en_a != clk_en_a_old) {
-			mci_writel(host, CLKENA, clk_en_a);
-			mci_send_cmd(slot, SDMMC_CMD_UPD_CLK |
-				     SDMMC_CMD_PRV_DAT_WAIT, 0);
-		}
+	if (clk_en_a != clk_en_a_old) {
+		mci_writel(host, CLKENA, clk_en_a);
+		mci_send_cmd(slot, SDMMC_CMD_UPD_CLK | SDMMC_CMD_PRV_DAT_WAIT,
+			     0);
 	}
 }
 
@@ -1669,6 +1664,7 @@ static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb)
 	struct dw_mci_slot *slot = mmc_priv(mmc);
 	struct dw_mci *host = slot->host;
 
+	dw_mci_prepare_sdio_irq(slot, enb);
 	__dw_mci_enable_sdio_irq(slot, enb);
 
 	/* Avoid runtime suspending the device when SDIO IRQ is enabled */
@@ -1790,7 +1786,6 @@ static const struct mmc_host_ops dw_mci_ops = {
 	.execute_tuning		= dw_mci_execute_tuning,
 	.card_busy		= dw_mci_card_busy,
 	.start_signal_voltage_switch = dw_mci_switch_voltage,
-	.init_card		= dw_mci_init_card,
 	.prepare_hs400_tuning	= dw_mci_prepare_hs400_tuning,
 };
 
@@ -2086,7 +2081,8 @@ static void dw_mci_tasklet_func(struct tasklet_struct *t)
 				 * delayed. Allowing the transfer to take place
 				 * avoids races and keeps things simple.
 				 */
-				if (err != -ETIMEDOUT) {
+				if (err != -ETIMEDOUT &&
+				    host->dir_status == DW_MCI_RECV_STATUS) {
 					state = STATE_SENDING_DATA;
 					continue;
 				}

drivers/mmc/host/mmci.c

@@ -1394,6 +1394,10 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
 	} else if (host->variant->busy_timeout && busy_resp &&
 		   status & MCI_DATATIMEOUT) {
 		cmd->error = -ETIMEDOUT;
+		/*
+		 * This will wake up mmci_irq_thread() which will issue
+		 * a hardware reset of the MMCI block.
+		 */
 		host->irq_action = IRQ_WAKE_THREAD;
 	} else {
 		cmd->resp[0] = readl(base + MMCIRESPONSE0);

drivers/mmc/host/moxart-mmc.c

@@ -566,37 +566,37 @@ static int moxart_probe(struct platform_device *pdev)
 	if (!mmc) {
 		dev_err(dev, "mmc_alloc_host failed\n");
 		ret = -ENOMEM;
-		goto out;
+		goto out_mmc;
 	}
 
 	ret = of_address_to_resource(node, 0, &res_mmc);
 	if (ret) {
 		dev_err(dev, "of_address_to_resource failed\n");
-		goto out;
+		goto out_mmc;
 	}
 
 	irq = irq_of_parse_and_map(node, 0);
 	if (irq <= 0) {
 		dev_err(dev, "irq_of_parse_and_map failed\n");
 		ret = -EINVAL;
-		goto out;
+		goto out_mmc;
 	}
 
 	clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(clk)) {
 		ret = PTR_ERR(clk);
-		goto out;
+		goto out_mmc;
 	}
 
 	reg_mmc = devm_ioremap_resource(dev, &res_mmc);
 	if (IS_ERR(reg_mmc)) {
 		ret = PTR_ERR(reg_mmc);
-		goto out;
+		goto out_mmc;
 	}
 
 	ret = mmc_of_parse(mmc);
 	if (ret)
-		goto out;
+		goto out_mmc;
 
 	host = mmc_priv(mmc);
 	host->mmc = mmc;
@@ -621,6 +621,14 @@ static int moxart_probe(struct platform_device *pdev)
 			ret = -EPROBE_DEFER;
 			goto out;
 		}
+		if (!IS_ERR(host->dma_chan_tx)) {
+			dma_release_channel(host->dma_chan_tx);
+			host->dma_chan_tx = NULL;
+		}
+		if (!IS_ERR(host->dma_chan_rx)) {
+			dma_release_channel(host->dma_chan_rx);
+			host->dma_chan_rx = NULL;
+		}
 		dev_dbg(dev, "PIO mode transfer enabled\n");
 		host->have_dma = false;
 	} else {
@@ -675,6 +683,11 @@ static int moxart_probe(struct platform_device *pdev)
 	return 0;
 
 out:
+	if (!IS_ERR_OR_NULL(host->dma_chan_tx))
+		dma_release_channel(host->dma_chan_tx);
+	if (!IS_ERR_OR_NULL(host->dma_chan_rx))
+		dma_release_channel(host->dma_chan_rx);
+out_mmc:
 	if (mmc)
 		mmc_free_host(mmc);
 	return ret;
@@ -687,9 +700,9 @@ static int moxart_remove(struct platform_device *pdev)
 
 	dev_set_drvdata(&pdev->dev, NULL);
 
-	if (!IS_ERR(host->dma_chan_tx))
+	if (!IS_ERR_OR_NULL(host->dma_chan_tx))
 		dma_release_channel(host->dma_chan_tx);
-	if (!IS_ERR(host->dma_chan_rx))
+	if (!IS_ERR_OR_NULL(host->dma_chan_rx))
 		dma_release_channel(host->dma_chan_rx);
 	mmc_remove_host(mmc);
 	mmc_free_host(mmc);

drivers/mmc/host/mtk-sd.c

@@ -8,6 +8,7 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
+#include <linux/iopoll.h>
 #include <linux/ioport.h>
 #include <linux/irq.h>
 #include <linux/of_address.h>
@@ -258,6 +259,7 @@
 #define MSDC_PAD_TUNE_RD_SEL	  (0x1 << 13)   /* RW */
 #define MSDC_PAD_TUNE_CMD_SEL	  (0x1 << 21)   /* RW */
 
+#define PAD_DS_TUNE_DLY_SEL       (0x1 << 0)	/* RW */
 #define PAD_DS_TUNE_DLY1	  (0x1f << 2)   /* RW */
 #define PAD_DS_TUNE_DLY2	  (0x1f << 7)   /* RW */
 #define PAD_DS_TUNE_DLY3	  (0x1f << 12)  /* RW */
@@ -301,6 +303,11 @@
 #define PAD_CMD_RD_RXDLY_SEL    (0x1 << 11)     /* RW */
 #define PAD_CMD_TX_DLY          (0x1f << 12)    /* RW */
 
+/* EMMC50_PAD_DS_TUNE mask */
+#define PAD_DS_DLY_SEL		(0x1 << 16)	/* RW */
+#define PAD_DS_DLY1		(0x1f << 10)	/* RW */
+#define PAD_DS_DLY3		(0x1f << 0)	/* RW */
+
 #define REQ_CMD_EIO  (0x1 << 0)
 #define REQ_CMD_TMO  (0x1 << 1)
 #define REQ_DAT_ERR  (0x1 << 2)
@@ -448,11 +455,13 @@ struct msdc_host {
 	bool vqmmc_enabled;
 	u32 latch_ck;
 	u32 hs400_ds_delay;
+	u32 hs400_ds_dly3;
 	u32 hs200_cmd_int_delay; /* cmd internal delay for HS200/SDR104 */
 	u32 hs400_cmd_int_delay; /* cmd internal delay for HS400 */
 	bool hs400_cmd_resp_sel_rising;
 				 /* cmd response sample selection for HS400 */
 	bool hs400_mode;	/* current eMMC will run at hs400 mode */
+	bool hs400_tuning;	/* hs400 mode online tuning */
 	bool internal_cd;	/* Use internal card-detect logic */
 	bool cqhci;		/* support eMMC hw cmdq */
 	struct msdc_save_para save_para; /* used when gate HCLK */
@@ -961,7 +970,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
 }
 
 static inline u32 msdc_cmd_find_resp(struct msdc_host *host,
-		struct mmc_request *mrq, struct mmc_command *cmd)
+		struct mmc_command *cmd)
 {
 	u32 resp;
 
@@ -997,7 +1006,7 @@ static inline u32 msdc_cmd_prepare_raw_cmd(struct msdc_host *host,
 	 * stop << 14 | rw << 13 | dtype << 11 | rsptyp << 7 | brk << 6 | opcode
 	 */
 	u32 opcode = cmd->opcode;
-	u32 resp = msdc_cmd_find_resp(host, mrq, cmd);
+	u32 resp = msdc_cmd_find_resp(host, cmd);
 	u32 rawcmd = (opcode & 0x3f) | ((resp & 0x7) << 7);
 
 	host->cmd_rsp = resp;
@@ -1043,8 +1052,8 @@ static inline u32 msdc_cmd_prepare_raw_cmd(struct msdc_host *host,
 	return rawcmd;
 }
 
-static void msdc_start_data(struct msdc_host *host, struct mmc_request *mrq,
-			    struct mmc_command *cmd, struct mmc_data *data)
+static void msdc_start_data(struct msdc_host *host, struct mmc_command *cmd,
+		struct mmc_data *data)
 {
 	bool read;
 
@@ -1112,8 +1121,7 @@ static void msdc_recheck_sdio_irq(struct msdc_host *host)
 	}
 }
 
-static void msdc_track_cmd_data(struct msdc_host *host,
-				struct mmc_command *cmd, struct mmc_data *data)
+static void msdc_track_cmd_data(struct msdc_host *host, struct mmc_command *cmd)
 {
 	if (host->error)
 		dev_dbg(host->dev, "%s: cmd=%d arg=%08X; host->error=0x%08X\n",
@@ -1134,7 +1142,7 @@ static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq)
 	host->mrq = NULL;
 	spin_unlock_irqrestore(&host->lock, flags);
 
-	msdc_track_cmd_data(host, mrq->cmd, mrq->data);
+	msdc_track_cmd_data(host, mrq->cmd);
 	if (mrq->data)
 		msdc_unprepare_data(host, mrq->data);
 	if (host->error)
@@ -1190,7 +1198,8 @@ static bool msdc_cmd_done(struct msdc_host *host, int events,
 	if (!sbc_error && !(events & MSDC_INT_CMDRDY)) {
 		if (events & MSDC_INT_CMDTMO ||
 		    (cmd->opcode != MMC_SEND_TUNING_BLOCK &&
-		     cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200))
+		     cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200 &&
+		     !host->hs400_tuning))
 			/*
 			 * should not clear fifo/interrupt as the tune data
 			 * may have alreay come when cmd19/cmd21 gets response
@@ -1287,7 +1296,8 @@ static void msdc_cmd_next(struct msdc_host *host,
 	if ((cmd->error &&
 	    !(cmd->error == -EILSEQ &&
 	      (cmd->opcode == MMC_SEND_TUNING_BLOCK ||
-	       cmd->opcode == MMC_SEND_TUNING_BLOCK_HS200))) ||
+	       cmd->opcode == MMC_SEND_TUNING_BLOCK_HS200 ||
+	       host->hs400_tuning))) ||
 	    (mrq->sbc && mrq->sbc->error))
 		msdc_request_done(host, mrq);
 	else if (cmd == mrq->sbc)
@@ -1295,7 +1305,7 @@ static void msdc_cmd_next(struct msdc_host *host,
 	else if (!cmd->data)
 		msdc_request_done(host, mrq);
 	else
-		msdc_start_data(host, mrq, cmd, cmd->data);
+		msdc_start_data(host, cmd, cmd->data);
 }
 
 static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
@@ -2251,6 +2261,67 @@ static int msdc_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
 	return 0;
 }
 
+static int msdc_execute_hs400_tuning(struct mmc_host *mmc, struct mmc_card *card)
+{
+	struct msdc_host *host = mmc_priv(mmc);
+	struct msdc_delay_phase dly1_delay;
+	u32 val, result_dly1 = 0;
+	u8 *ext_csd;
+	int i, ret;
+
+	if (host->top_base) {
+		sdr_set_bits(host->top_base + EMMC50_PAD_DS_TUNE,
+			     PAD_DS_DLY_SEL);
+		if (host->hs400_ds_dly3)
+			sdr_set_field(host->top_base + EMMC50_PAD_DS_TUNE,
+				      PAD_DS_DLY3, host->hs400_ds_dly3);
+	} else {
+		sdr_set_bits(host->base + PAD_DS_TUNE, PAD_DS_TUNE_DLY_SEL);
+		if (host->hs400_ds_dly3)
+			sdr_set_field(host->base + PAD_DS_TUNE,
+				      PAD_DS_TUNE_DLY3, host->hs400_ds_dly3);
+	}
+
+	host->hs400_tuning = true;
+	for (i = 0; i < PAD_DELAY_MAX; i++) {
+		if (host->top_base)
+			sdr_set_field(host->top_base + EMMC50_PAD_DS_TUNE,
+				      PAD_DS_DLY1, i);
+		else
+			sdr_set_field(host->base + PAD_DS_TUNE,
+				      PAD_DS_TUNE_DLY1, i);
+		ret = mmc_get_ext_csd(card, &ext_csd);
+		if (!ret)
+			result_dly1 |= (1 << i);
+	}
+	host->hs400_tuning = false;
+
+	dly1_delay = get_best_delay(host, result_dly1);
+	if (dly1_delay.maxlen == 0) {
+		dev_err(host->dev, "Failed to get DLY1 delay!\n");
+		goto fail;
+	}
+	if (host->top_base)
+		sdr_set_field(host->top_base + EMMC50_PAD_DS_TUNE,
+			      PAD_DS_DLY1, dly1_delay.final_phase);
+	else
+		sdr_set_field(host->base + PAD_DS_TUNE,
+			      PAD_DS_TUNE_DLY1, dly1_delay.final_phase);
+
+	if (host->top_base)
+		val = readl(host->top_base + EMMC50_PAD_DS_TUNE);
+	else
+		val = readl(host->base + PAD_DS_TUNE);
+
+	dev_info(host->dev, "Fianl PAD_DS_TUNE: 0x%x\n", val);
+
+	return 0;
+
+fail:
+	dev_err(host->dev, "Failed to tuning DS pin delay!\n");
+	return -EIO;
+}
+
 static void msdc_hw_reset(struct mmc_host *mmc)
 {
 	struct msdc_host *host = mmc_priv(mmc);
@@ -2330,6 +2401,7 @@ static void msdc_cqe_enable(struct mmc_host *mmc)
 static void msdc_cqe_disable(struct mmc_host *mmc, bool recovery)
 {
 	struct msdc_host *host = mmc_priv(mmc);
+	unsigned int val = 0;
 
 	/* disable cmdq irq */
 	sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INT_CMDQ);
@@ -2339,6 +2411,9 @@ static void msdc_cqe_disable(struct mmc_host *mmc, bool recovery)
 	if (recovery) {
 		sdr_set_field(host->base + MSDC_DMA_CTRL,
 			      MSDC_DMA_CTRL_STOP, 1);
+		if (WARN_ON(readl_poll_timeout(host->base + MSDC_DMA_CFG, val,
+			!(val & MSDC_DMA_CFG_STS), 1, 3000)))
+			return;
 		msdc_reset_hw(host);
 	}
 }
@@ -2377,6 +2452,7 @@ static const struct mmc_host_ops mt_msdc_ops = {
 	.card_busy = msdc_card_busy,
 	.execute_tuning = msdc_execute_tuning,
 	.prepare_hs400_tuning = msdc_prepare_hs400_tuning,
+	.execute_hs400_tuning = msdc_execute_hs400_tuning,
 	.hw_reset = msdc_hw_reset,
 };
 
@@ -2396,6 +2472,9 @@ static void msdc_of_property_parse(struct platform_device *pdev,
 	of_property_read_u32(pdev->dev.of_node, "hs400-ds-delay",
 			     &host->hs400_ds_delay);
 
+	of_property_read_u32(pdev->dev.of_node, "mediatek,hs400-ds-dly3",
+			     &host->hs400_ds_dly3);
+
 	of_property_read_u32(pdev->dev.of_node, "mediatek,hs200-cmd-int-delay",
 			     &host->hs200_cmd_int_delay);
 

drivers/mmc/host/mxs-mmc.c

@@ -552,6 +552,11 @@ static const struct of_device_id mxs_mmc_dt_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, mxs_mmc_dt_ids);
 
+static void mxs_mmc_regulator_disable(void *regulator)
+{
+	regulator_disable(regulator);
+}
+
 static int mxs_mmc_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -591,6 +596,11 @@ static int mxs_mmc_probe(struct platform_device *pdev)
 				"Failed to enable vmmc regulator: %d\n", ret);
 			goto out_mmc_free;
 		}
+
+		ret = devm_add_action_or_reset(&pdev->dev, mxs_mmc_regulator_disable,
+					       reg_vmmc);
+		if (ret)
+			goto out_mmc_free;
 	}
 
 	ssp->clk = devm_clk_get(&pdev->dev, NULL);

drivers/mmc/host/omap_hsmmc.c

@@ -702,11 +702,6 @@ static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
 
 #else
 
-static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
-{
-	return 0;
-}
-
 static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
 {
 }
@@ -1515,7 +1510,7 @@ static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
 		 * REVISIT: should be moved to sdio core and made more
 		 * general e.g. by expanding the DT bindings of child nodes
 		 * to provide a mechanism to provide this information:
-		 * Documentation/devicetree/bindings/mmc/mmc-card.txt
+		 * Documentation/devicetree/bindings/mmc/mmc-card.yaml
 		 */
 
 		np = of_get_compatible_child(np, "ti,wl1251");
@@ -2086,6 +2081,7 @@ static int omap_hsmmc_resume(struct device *dev)
 }
 #endif
 
+#ifdef CONFIG_PM
 static int omap_hsmmc_runtime_suspend(struct device *dev)
 {
 	struct omap_hsmmc_host *host;
@@ -2153,11 +2149,11 @@ static int omap_hsmmc_runtime_resume(struct device *dev)
 	spin_unlock_irqrestore(&host->irq_lock, flags);
 	return 0;
 }
+#endif
 
 static const struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(omap_hsmmc_suspend, omap_hsmmc_resume)
-	.runtime_suspend = omap_hsmmc_runtime_suspend,
-	.runtime_resume = omap_hsmmc_runtime_resume,
+	SET_RUNTIME_PM_OPS(omap_hsmmc_runtime_suspend, omap_hsmmc_runtime_resume, NULL)
 };
 
 static struct platform_driver omap_hsmmc_driver = {

drivers/mmc/host/sdhci-acpi.c

@@ -362,23 +362,11 @@ static inline bool sdhci_acpi_no_fixup_child_power(struct acpi_device *adev)
 static int bxt_get_cd(struct mmc_host *mmc)
 {
 	int gpio_cd = mmc_gpio_get_cd(mmc);
-	struct sdhci_host *host = mmc_priv(mmc);
-	unsigned long flags;
-	int ret = 0;
 
 	if (!gpio_cd)
 		return 0;
 
-	spin_lock_irqsave(&host->lock, flags);
-
-	if (host->flags & SDHCI_DEVICE_DEAD)
-		goto out;
-
-	ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
-out:
-	spin_unlock_irqrestore(&host->lock, flags);
-
-	return ret;
+	return sdhci_get_cd_nogpio(mmc);
 }
 
 static int intel_probe_slot(struct platform_device *pdev, struct acpi_device *adev)

drivers/mmc/host/sdhci-esdhc-imx.c

@@ -196,6 +196,9 @@
  */
 #define ESDHC_FLAG_BROKEN_AUTO_CMD23	BIT(16)
 
+/* ERR004536 is not applicable for the IP  */
+#define ESDHC_FLAG_SKIP_ERR004536	BIT(17)
+
 enum wp_types {
 	ESDHC_WP_NONE,		/* no WP, neither controller nor gpio */
 	ESDHC_WP_CONTROLLER,	/* mmc controller internal WP */
@@ -289,6 +292,13 @@ static const struct esdhc_soc_data usdhc_imx7d_data = {
 			| ESDHC_FLAG_BROKEN_AUTO_CMD23,
 };
 
+static struct esdhc_soc_data usdhc_s32g2_data = {
+	.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_MAN_TUNING
+			| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
+			| ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES
+			| ESDHC_FLAG_SKIP_ERR004536,
+};
+
 static struct esdhc_soc_data usdhc_imx7ulp_data = {
 	.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
 			| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
@@ -347,6 +357,7 @@ static const struct of_device_id imx_esdhc_dt_ids[] = {
 	{ .compatible = "fsl,imx7ulp-usdhc", .data = &usdhc_imx7ulp_data, },
 	{ .compatible = "fsl,imx8qxp-usdhc", .data = &usdhc_imx8qxp_data, },
 	{ .compatible = "fsl,imx8mm-usdhc", .data = &usdhc_imx8mm_data, },
+	{ .compatible = "nxp,s32g2-usdhc", .data = &usdhc_s32g2_data, },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, imx_esdhc_dt_ids);
@@ -1375,8 +1386,10 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host)
 		 * erratum ESDHC_FLAG_ERR004536 fix for MX6Q TO1.2 and MX6DL
 		 * TO1.1, it's harmless for MX6SL
 		 */
-		writel(readl(host->ioaddr + 0x6c) & ~BIT(7),
-			host->ioaddr + 0x6c);
+		if (!(imx_data->socdata->flags & ESDHC_FLAG_SKIP_ERR004536)) {
+			writel(readl(host->ioaddr + 0x6c) & ~BIT(7),
+				host->ioaddr + 0x6c);
+		}
 
 		/* disable DLL_CTRL delay line settings */
 		writel(0x0, host->ioaddr + ESDHC_DLL_CTRL);

drivers/mmc/host/sdhci-of-arasan.c

@@ -191,6 +191,13 @@ static const struct sdhci_arasan_soc_ctl_map intel_lgm_sdxc_soc_ctl_map = {
 	.hiword_update = false,
 };
 
+static const struct sdhci_arasan_soc_ctl_map thunderbay_soc_ctl_map = {
+	.baseclkfreq = { .reg = 0x0, .width = 8, .shift = 14 },
+	.clockmultiplier = { .reg = 0x4, .width = 8, .shift = 14 },
+	.support64b = { .reg = 0x4, .width = 1, .shift = 24 },
+	.hiword_update = false,
+};
+
 static const struct sdhci_arasan_soc_ctl_map intel_keembay_soc_ctl_map = {
 	.baseclkfreq = { .reg = 0x0, .width = 8, .shift = 14 },
 	.clockmultiplier = { .reg = 0x4, .width = 8, .shift = 14 },
@@ -456,6 +463,15 @@ static const struct sdhci_pltfm_data sdhci_arasan_cqe_pdata = {
 			SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
 };
 
+static const struct sdhci_pltfm_data sdhci_arasan_thunderbay_pdata = {
+	.ops = &sdhci_arasan_cqe_ops,
+	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+		SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+		SDHCI_QUIRK2_STOP_WITH_TC |
+		SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400,
+};
+
 #ifdef CONFIG_PM_SLEEP
 /**
  * sdhci_arasan_suspend - Suspend method for the driver
@@ -1132,6 +1148,12 @@ static struct sdhci_arasan_of_data sdhci_arasan_generic_data = {
 	.clk_ops = &arasan_clk_ops,
 };
 
+static const struct sdhci_arasan_of_data sdhci_arasan_thunderbay_data = {
+	.soc_ctl_map = &thunderbay_soc_ctl_map,
+	.pdata = &sdhci_arasan_thunderbay_pdata,
+	.clk_ops = &arasan_clk_ops,
+};
+
 static const struct sdhci_pltfm_data sdhci_keembay_emmc_pdata = {
 	.ops = &sdhci_arasan_cqe_ops,
 	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
@@ -1265,6 +1287,10 @@ static const struct of_device_id sdhci_arasan_of_match[] = {
 		.compatible = "intel,keembay-sdhci-5.1-sdio",
 		.data = &intel_keembay_sdio_data,
 	},
+	{
+		.compatible = "intel,thunderbay-sdhci-5.1",
+		.data = &sdhci_arasan_thunderbay_data,
+	},
 	/* Generic compatible below here */
 	{
 		.compatible = "arasan,sdhci-8.9a",
@@ -1626,7 +1652,8 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
 
 	if (of_device_is_compatible(np, "intel,keembay-sdhci-5.1-emmc") ||
 	    of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sd") ||
-	    of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sdio")) {
+	    of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sdio") ||
+	    of_device_is_compatible(np, "intel,thunderbay-sdhci-5.1")) {
 		sdhci_arasan_update_clockmultiplier(host, 0x0);
 		sdhci_arasan_update_support64b(host, 0x0);
 

drivers/mmc/host/sdhci-pci-core.c

@@ -17,8 +17,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/device.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/mmc.h>
 #include <linux/scatterlist.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
@@ -26,11 +24,13 @@
 #include <linux/pm_runtime.h>
 #include <linux/pm_qos.h>
 #include <linux/debugfs.h>
-#include <linux/mmc/slot-gpio.h>
-#include <linux/mmc/sdhci-pci-data.h>
 #include <linux/acpi.h>
 #include <linux/dmi.h>
 
+#include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/slot-gpio.h>
+
 #ifdef CONFIG_X86
 #include <asm/iosf_mbi.h>
 #endif
@@ -345,73 +345,6 @@ static int pch_hc_probe_slot(struct sdhci_pci_slot *slot)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-
-static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id)
-{
-	struct sdhci_pci_slot *slot = dev_id;
-	struct sdhci_host *host = slot->host;
-
-	mmc_detect_change(host->mmc, msecs_to_jiffies(200));
-	return IRQ_HANDLED;
-}
-
-static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot)
-{
-	int err, irq, gpio = slot->cd_gpio;
-
-	slot->cd_gpio = -EINVAL;
-	slot->cd_irq = -EINVAL;
-
-	if (!gpio_is_valid(gpio))
-		return;
-
-	err = devm_gpio_request(&slot->chip->pdev->dev, gpio, "sd_cd");
-	if (err < 0)
-		goto out;
-
-	err = gpio_direction_input(gpio);
-	if (err < 0)
-		goto out_free;
-
-	irq = gpio_to_irq(gpio);
-	if (irq < 0)
-		goto out_free;
-
-	err = request_irq(irq, sdhci_pci_sd_cd, IRQF_TRIGGER_RISING |
-			  IRQF_TRIGGER_FALLING, "sd_cd", slot);
-	if (err)
-		goto out_free;
-
-	slot->cd_gpio = gpio;
-	slot->cd_irq = irq;
-
-	return;
-
-out_free:
-	devm_gpio_free(&slot->chip->pdev->dev, gpio);
-out:
-	dev_warn(&slot->chip->pdev->dev, "failed to setup card detect wake up\n");
-}
-
-static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot)
-{
-	if (slot->cd_irq >= 0)
-		free_irq(slot->cd_irq, slot);
-}
-
-#else
-
-static inline void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot)
-{
-}
-
-static inline void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot)
-{
-}
-
-#endif
-
 static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot)
 {
 	slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE;
@@ -616,24 +549,6 @@ static int intel_select_drive_strength(struct mmc_card *card,
 	return intel_host->drv_strength;
 }
 
-static int sdhci_get_cd_nogpio(struct mmc_host *mmc)
-{
-	struct sdhci_host *host = mmc_priv(mmc);
-	unsigned long flags;
-	int ret = 0;
-
-	spin_lock_irqsave(&host->lock, flags);
-
-	if (host->flags & SDHCI_DEVICE_DEAD)
-		goto out;
-
-	ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
-out:
-	spin_unlock_irqrestore(&host->lock, flags);
-
-	return ret;
-}
-
 static int bxt_get_cd(struct mmc_host *mmc)
 {
 	int gpio_cd = mmc_gpio_get_cd(mmc);
@@ -2000,21 +1915,6 @@ int sdhci_pci_enable_dma(struct sdhci_host *host)
 	return 0;
 }
 
-static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host)
-{
-	struct sdhci_pci_slot *slot = sdhci_priv(host);
-	int rst_n_gpio = slot->rst_n_gpio;
-
-	if (!gpio_is_valid(rst_n_gpio))
-		return;
-	gpio_set_value_cansleep(rst_n_gpio, 0);
-	/* For eMMC, minimum is 1us but give it 10us for good measure */
-	udelay(10);
-	gpio_set_value_cansleep(rst_n_gpio, 1);
-	/* For eMMC, minimum is 200us but give it 300us for good measure */
-	usleep_range(300, 1000);
-}
-
 static void sdhci_pci_hw_reset(struct sdhci_host *host)
 {
 	struct sdhci_pci_slot *slot = sdhci_priv(host);
@@ -2145,26 +2045,8 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
 
 	slot->chip = chip;
 	slot->host = host;
-	slot->rst_n_gpio = -EINVAL;
-	slot->cd_gpio = -EINVAL;
 	slot->cd_idx = -1;
 
-	/* Retrieve platform data if there is any */
-	if (*sdhci_pci_get_data)
-		slot->data = sdhci_pci_get_data(pdev, slotno);
-
-	if (slot->data) {
-		if (slot->data->setup) {
-			ret = slot->data->setup(slot->data);
-			if (ret) {
-				dev_err(&pdev->dev, "platform setup failed\n");
-				goto free;
-			}
-		}
-		slot->rst_n_gpio = slot->data->rst_n_gpio;
-		slot->cd_gpio = slot->data->cd_gpio;
-	}
-
 	host->hw_name = "PCI";
 	host->ops = chip->fixes && chip->fixes->ops ?
 		    chip->fixes->ops :
@@ -2188,17 +2070,6 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
 			goto cleanup;
 	}
 
-	if (gpio_is_valid(slot->rst_n_gpio)) {
-		if (!devm_gpio_request(&pdev->dev, slot->rst_n_gpio, "eMMC_reset")) {
-			gpio_direction_output(slot->rst_n_gpio, 1);
-			slot->host->mmc->caps |= MMC_CAP_HW_RESET;
-			slot->hw_reset = sdhci_pci_gpio_hw_reset;
-		} else {
-			dev_warn(&pdev->dev, "failed to request rst_n_gpio\n");
-			slot->rst_n_gpio = -EINVAL;
-		}
-	}
-
 	host->mmc->pm_caps = MMC_PM_KEEP_POWER;
 	host->mmc->slotno = slotno;
 	host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP;
@@ -2233,15 +2104,11 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
 	if (ret)
 		goto remove;
 
-	sdhci_pci_add_own_cd(slot);
-
 	/*
 	 * Check if the chip needs a separate GPIO for card detect to wake up
 	 * from runtime suspend.  If it is not there, don't allow runtime PM.
-	 * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure.
 	 */
-	if (chip->fixes && chip->fixes->own_cd_for_runtime_pm &&
-	    !gpio_is_valid(slot->cd_gpio) && slot->cd_idx < 0)
+	if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && slot->cd_idx < 0)
 		chip->allow_runtime_pm = false;
 
 	return slot;
@@ -2251,10 +2118,6 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
 		chip->fixes->remove_slot(slot, 0);
 
 cleanup:
-	if (slot->data && slot->data->cleanup)
-		slot->data->cleanup(slot->data);
-
-free:
 	sdhci_free_host(host);
 
 	return ERR_PTR(ret);
@@ -2265,8 +2128,6 @@ static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot)
 	int dead;
 	u32 scratch;
 
-	sdhci_pci_remove_own_cd(slot);
-
 	dead = 0;
 	scratch = readl(slot->host->ioaddr + SDHCI_INT_STATUS);
 	if (scratch == (u32)-1)
@@ -2277,9 +2138,6 @@ static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot)
 	if (slot->chip->fixes && slot->chip->fixes->remove_slot)
 		slot->chip->fixes->remove_slot(slot, dead);
 
-	if (slot->data && slot->data->cleanup)
-		slot->data->cleanup(slot->data);
-
 	sdhci_free_host(slot->host);
 }
 

drivers/mmc/host/sdhci-pci-data.c

-// SPDX-License-Identifier: GPL-2.0-only
-#include <linux/module.h>
-#include <linux/mmc/sdhci-pci-data.h>
-
-struct sdhci_pci_data *(*sdhci_pci_get_data)(struct pci_dev *pdev, int slotno);
-EXPORT_SYMBOL_GPL(sdhci_pci_get_data);

drivers/mmc/host/sdhci-pci-o2micro.c

@@ -489,7 +489,7 @@ static void sdhci_pci_o2_enable_msi(struct sdhci_pci_chip *chip,
 
 	ret = pci_find_capability(chip->pdev, PCI_CAP_ID_MSI);
 	if (!ret) {
-		pr_info("%s: unsupport msi, use INTx irq\n",
+		pr_info("%s: unsupported MSI, use INTx irq\n",
 			mmc_hostname(host->mmc));
 		return;
 	}

drivers/mmc/host/sdhci-pci.h

@@ -156,11 +156,6 @@ struct sdhci_pci_fixes {
 struct sdhci_pci_slot {
 	struct sdhci_pci_chip	*chip;
 	struct sdhci_host	*host;
-	struct sdhci_pci_data	*data;
-
-	int			rst_n_gpio;
-	int			cd_gpio;
-	int			cd_irq;
 
 	int			cd_idx;
 	bool			cd_override_level;

drivers/mmc/host/sdhci-s3c.c

@@ -791,4 +791,3 @@ module_platform_driver(sdhci_s3c_driver);
 MODULE_DESCRIPTION("Samsung SDHCI (HSMMC) glue");
 MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:s3c-sdhci");

drivers/mmc/host/sdhci-sprd.c

@@ -8,6 +8,7 @@
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/highmem.h>
+#include <linux/iopoll.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
@@ -39,6 +40,9 @@
 #define  SDHCI_SPRD_BIT_POSRD_DLY_INV		BIT(21)
 #define  SDHCI_SPRD_BIT_NEGRD_DLY_INV		BIT(29)
 
+#define SDHCI_SPRD_REG_32_DLL_STS0	0x210
+#define SDHCI_SPRD_DLL_LOCKED		BIT(18)
+
 #define SDHCI_SPRD_REG_32_BUSY_POSI		0x250
 #define  SDHCI_SPRD_BIT_OUTR_CLK_AUTO_EN	BIT(25)
 #define  SDHCI_SPRD_BIT_INNR_CLK_AUTO_EN	BIT(24)
@@ -256,6 +260,15 @@ static void sdhci_sprd_enable_phy_dll(struct sdhci_host *host)
 	sdhci_writel(host, tmp, SDHCI_SPRD_REG_32_DLL_CFG);
 	/* wait 1ms */
 	usleep_range(1000, 1250);
+
+	if (read_poll_timeout(sdhci_readl, tmp, (tmp & SDHCI_SPRD_DLL_LOCKED),
+		2000, USEC_PER_SEC, false, host, SDHCI_SPRD_REG_32_DLL_STS0)) {
+		pr_err("%s: DLL locked fail!\n", mmc_hostname(host->mmc));
+		pr_info("%s: DLL_STS0 : 0x%x, DLL_CFG : 0x%x\n",
+			 mmc_hostname(host->mmc),
+			 sdhci_readl(host, SDHCI_SPRD_REG_32_DLL_STS0),
+			 sdhci_readl(host, SDHCI_SPRD_REG_32_DLL_CFG));
+	}
 }
 
 static void sdhci_sprd_set_clock(struct sdhci_host *host, unsigned int clock)

drivers/mmc/host/sdhci.c

@@ -930,7 +930,7 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd,
 	struct mmc_data *data;
 	unsigned target_timeout, current_timeout;
 
-	*too_big = true;
+	*too_big = false;
 
 	/*
 	 * If the host controller provides us with an incorrect timeout
@@ -941,7 +941,7 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd,
 	if (host->quirks & SDHCI_QUIRK_BROKEN_TIMEOUT_VAL)
 		return host->max_timeout_count;
 
-	/* Unspecified command, asume max */
+	/* Unspecified command, assume max */
 	if (cmd == NULL)
 		return host->max_timeout_count;
 
@@ -968,17 +968,14 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd,
 	while (current_timeout < target_timeout) {
 		count++;
 		current_timeout <<= 1;
-		if (count > host->max_timeout_count)
+		if (count > host->max_timeout_count) {
+			if (!(host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT))
+				DBG("Too large timeout 0x%x requested for CMD%d!\n",
+				    count, cmd->opcode);
+			count = host->max_timeout_count;
+			*too_big = true;
 			break;
-	}
-
-	if (count > host->max_timeout_count) {
-		if (!(host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT))
-			DBG("Too large timeout 0x%x requested for CMD%d!\n",
-			    count, cmd->opcode);
-		count = host->max_timeout_count;
-	} else {
-		*too_big = false;
+		}
 	}
 
 	return count;
@@ -2428,6 +2425,25 @@ static int sdhci_get_cd(struct mmc_host *mmc)
 	return !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
 }
 
+int sdhci_get_cd_nogpio(struct mmc_host *mmc)
+{
+	struct sdhci_host *host = mmc_priv(mmc);
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&host->lock, flags);
+
+	if (host->flags & SDHCI_DEVICE_DEAD)
+		goto out;
+
+	ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
+out:
+	spin_unlock_irqrestore(&host->lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(sdhci_get_cd_nogpio);
+
 static int sdhci_check_ro(struct sdhci_host *host)
 {
 	unsigned long flags;
@@ -3238,7 +3254,7 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p)
 			  -ETIMEDOUT :
 			  -EILSEQ;
 
-		if (mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) {
+		if (sdhci_auto_cmd23(host, mrq)) {
 			mrq->sbc->error = err;
 			__sdhci_finish_mrq(host, mrq);
 			return;

drivers/mmc/host/sdhci.h

@@ -750,7 +750,6 @@ static inline void *sdhci_priv(struct sdhci_host *host)
 	return host->private;
 }
 
-void sdhci_card_detect(struct sdhci_host *host);
 void __sdhci_read_caps(struct sdhci_host *host, const u16 *ver,
 		       const u32 *caps, const u32 *caps1);
 int sdhci_setup_host(struct sdhci_host *host);
@@ -775,6 +774,7 @@ void sdhci_set_power_and_bus_voltage(struct sdhci_host *host,
 				     unsigned short vdd);
 void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
 			   unsigned short vdd);
+int sdhci_get_cd_nogpio(struct mmc_host *mmc);
 void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq);
 int sdhci_request_atomic(struct mmc_host *mmc, struct mmc_request *mrq);
 void sdhci_set_bus_width(struct sdhci_host *host, int width);

include/linux/mmc/host.h

@@ -162,6 +162,9 @@ struct mmc_host_ops {
 	/* Prepare HS400 target operating frequency depending host driver */
 	int	(*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios);
 
+	/* Execute HS400 tuning depending host driver */
+	int	(*execute_hs400_tuning)(struct mmc_host *host, struct mmc_card *card);
+
 	/* Prepare switch to DDR during the HS400 init sequence */
 	int	(*hs400_prepare_ddr)(struct mmc_host *host);
 
@@ -634,5 +637,6 @@ static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
 
 int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
 int mmc_send_abort_tuning(struct mmc_host *host, u32 opcode);
+int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
 
 #endif /* LINUX_MMC_HOST_H */

include/linux/mmc/sdhci-pci-data.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef LINUX_MMC_SDHCI_PCI_DATA_H
-#define LINUX_MMC_SDHCI_PCI_DATA_H
-
-struct pci_dev;
-
-struct sdhci_pci_data {
-	struct pci_dev	*pdev;
-	int		slotno;
-	int		rst_n_gpio; /* Set to -EINVAL if unused */
-	int		cd_gpio;    /* Set to -EINVAL if unused */
-	int		(*setup)(struct sdhci_pci_data *data);
-	void		(*cleanup)(struct sdhci_pci_data *data);
-};
-
-extern struct sdhci_pci_data *(*sdhci_pci_get_data)(struct pci_dev *pdev,
-				int slotno);
-#endif