Merge tag 'mmc-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Allow an invalid regulator in mmc_regulator_set_ocr()
   - Log about empty non-removable slots
   - Add helpers to enable/disable the vqmmc regulator

  MMC host:
   - mtk-sd: Add support for the mt8365 variant
   - renesas_sdhi: Remove support for R-Car H3 ES1.* variants
   - sdhci_am654: Add power management support
   - sdhci-cadence: Add support for eMMC hardware reset
   - sdhci-cadence: Add support for AMD Pensando Elba variant
   - sdhci-msm: Add support for the IPQ5018 variant
   - sdhci-msm: Add support for the QCM2290 variant
   - sdhci-of-arasan: Skip setting clock delay for 400KHz
   - sdhci-of-arasan: Add support for the Xilinx Versal Net variant
   - sdhci-of-arasan: Remove Intel Thunder Bay SOC support
   - sdhci-of-arasan: Add support to request the "gate" clock
   - sdhci-of-dwcmshc: Properly determine max clock on Rockchip
   - sdhci-of-esdhc: Fix quirk to ignore command inhibit for data
   - sdhci-pci-o2micro: Fix SDR50 mode timing issue

  MEMSTICK:
   - r592: Fix use-after-free bug in r592_remove due to race condition"

* tag 'mmc-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (40 commits)
  dt-bindings: mmc: sdhci-msm: Document the IPQ5018 compatible
  mmc: vub300: remove unreachable code
  mmc: sdhci-cadence: Support mmc hardware reset
  mmc: sdhci-cadence: Add AMD Pensando Elba SoC support
  mmc: sdhci-cadence: Support device specific init during probe
  mmc: sdhci-cadence: Enable device specific override of writel()
  dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC
  mmc: core: Remove unused macro mmc_req_rel_wr
  mmc: sdhci-of-arasan: Skip setting clock delay for 400KHz
  mmc: sdhci-of-arasan: Add support for eMMC5.1 on Xilinx Versal Net platform
  dt-bindings: mmc: arasan,sdci: Add Xilinx Versal Net compatible
  mmc: sdhci_am654: Add support for PM suspend/resume
  mmc: core: remove unnecessary (void*) conversions
  dt-bindings: mmc: fsl-imx-esdhc: ref sdhci-common.yaml
  mmc: sdhci-of-esdhc: fix quirk to ignore command inhibit for data
  mmc: core: Log about empty non-removable slots
  dt-bindings: mmc: fujitsu: Add Socionext Synquacer
  mmc: sdricoh_cs: remove unused sdricoh_readw function
  dt-bindings: mmc: Remove bindings for Intel Thunder Bay SoC"
  mmc: sdhci-of-arasan: Remove Intel Thunder Bay SOC support
  ...

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

@@ -27,6 +27,7 @@ allOf:
             enum:
               - xlnx,zynqmp-8.9a
               - xlnx,versal-8.9a
+              - xlnx,versal-net-emmc
     then:
       properties:
         clock-output-names:
@@ -62,6 +63,10 @@ properties:
         description:
           For this device it is strongly suggested to include
           clock-output-names and '#clock-cells'.
+      - const: xlnx,versal-net-emmc     # Versal Net eMMC PHY
+        description:
+          For this device it is strongly suggested to include
+          clock-output-names and '#clock-cells'.
       - items:
           - const: intel,lgm-sdhci-5.1-emmc     # Intel LGM eMMC PHY
           - const: arasan,sdhci-5.1
@@ -88,12 +93,6 @@ 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
@@ -309,22 +308,3 @@ 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

@@ -9,19 +9,18 @@ title: Cadence SD/SDIO/eMMC Host Controller (SD4HC)
 maintainers:
   - Masahiro Yamada <yamada.masahiro@socionext.com>
 
-allOf:
-  - $ref: mmc-controller.yaml
-
 properties:
   compatible:
     items:
       - enum:
+          - amd,pensando-elba-sd4hc
           - microchip,mpfs-sd4hc
           - socionext,uniphier-sd4hc
       - const: cdns,sd4hc
 
   reg:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
 
   interrupts:
     maxItems: 1
@@ -120,6 +119,26 @@ required:
   - interrupts
   - clocks
 
+allOf:
+  - $ref: mmc-controller.yaml
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: amd,pensando-elba-sd4hc
+    then:
+      properties:
+        reg:
+          items:
+            - description: Host controller registers
+            - description: Elba byte-lane enable register for writes
+      required:
+        - resets
+    else:
+      properties:
+        reg:
+          maxItems: 1
+
 unevaluatedProperties: false
 
 examples:

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

@@ -10,7 +10,7 @@ maintainers:
   - Shawn Guo <shawnguo@kernel.org>
 
 allOf:
-  - $ref: mmc-controller.yaml
+  - $ref: sdhci-common.yaml#
 
 description: |
   The Enhanced Secure Digital Host Controller on Freescale i.MX family

Documentation/devicetree/bindings/mmc/fujitsu,sdhci-fujitsu.yaml

@@ -14,7 +14,11 @@ allOf:
 
 properties:
   compatible:
-    enum:
+    oneOf:
+      - items:
+          - const: socionext,synquacer-sdhci
+          - const: fujitsu,mb86s70-sdhci-3.0
+      - enum:
           - fujitsu,mb86s70-sdhci-3.0
           - socionext,f-sdh30-e51-mmc
 
@@ -29,6 +33,11 @@ properties:
       - const: iface
       - const: core
 
+  dma-coherent: true
+
+  interrupts:
+    maxItems: 2
+
   resets:
     maxItems: 1
 

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

@@ -34,6 +34,7 @@ properties:
               - mediatek,mt8188-mmc
               - mediatek,mt8192-mmc
               - mediatek,mt8195-mmc
+              - mediatek,mt8365-mmc
           - const: mediatek,mt8183-mmc
 
   reg:

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

@@ -34,8 +34,10 @@ properties:
           - const: qcom,sdhci-msm-v4 # for sdcc versions less than 5.0
       - items:
           - enum:
+              - qcom,ipq5018-sdhci
               - qcom,ipq5332-sdhci
               - qcom,ipq9574-sdhci
+              - qcom,qcm2290-sdhci
               - qcom,qcs404-sdhci
               - qcom,sc7180-sdhci
               - qcom,sc7280-sdhci

drivers/memstick/host/r592.c

@@ -829,7 +829,7 @@ static void r592_remove(struct pci_dev *pdev)
 	/* Stop the processing thread.
 	That ensures that we won't take any more requests */
 	kthread_stop(dev->io_thread);
-
+	del_timer_sync(&dev->detect_timer);
 	r592_enable_device(dev, false);
 
 	while (!error && dev->req) {

drivers/mmc/core/block.c

@@ -76,8 +76,6 @@ MODULE_ALIAS("mmc:block");
 #define MMC_EXTRACT_INDEX_FROM_ARG(x) ((x & 0x00FF0000) >> 16)
 #define MMC_EXTRACT_VALUE_FROM_ARG(x) ((x & 0x0000FF00) >> 8)
 
-#define mmc_req_rel_wr(req)	((req->cmd_flags & REQ_FUA) && \
-				  (rq_data_dir(req) == WRITE))
 static DEFINE_MUTEX(block_mutex);
 
 /*

drivers/mmc/core/core.c

@@ -2257,6 +2257,11 @@ void mmc_rescan(struct work_struct *work)
 			break;
 	}
 
+	/* A non-removable card should have been detected by now. */
+	if (!mmc_card_is_removable(host) && !host->bus_ops)
+		pr_info("%s: Failed to initialize a non-removable card",
+			mmc_hostname(host));
+
 	/*
 	 * Ignore the command timeout errors observed during
 	 * the card init as those are excepted.

drivers/mmc/core/debugfs.c

@@ -246,7 +246,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(mmc_err_state, mmc_err_state_get, NULL, "%llu\n");
 
 static int mmc_err_stats_show(struct seq_file *file, void *data)
 {
-	struct mmc_host *host = (struct mmc_host *)file->private;
+	struct mmc_host *host = file->private;
 	const char *desc[MMC_ERR_MAX] = {
 		[MMC_ERR_CMD_TIMEOUT] = "Command Timeout Occurred",
 		[MMC_ERR_CMD_CRC] = "Command CRC Errors Occurred",

drivers/mmc/core/mmc_test.c

@@ -3045,7 +3045,7 @@ static LIST_HEAD(mmc_test_file_test);
 
 static int mtf_test_show(struct seq_file *sf, void *data)
 {
-	struct mmc_card *card = (struct mmc_card *)sf->private;
+	struct mmc_card *card = sf->private;
 	struct mmc_test_general_result *gr;
 
 	mutex_lock(&mmc_test_lock);
@@ -3079,8 +3079,8 @@ static int mtf_test_open(struct inode *inode, struct file *file)
 static ssize_t mtf_test_write(struct file *file, const char __user *buf,
 	size_t count, loff_t *pos)
 {
-	struct seq_file *sf = (struct seq_file *)file->private_data;
-	struct mmc_card *card = (struct mmc_card *)sf->private;
+	struct seq_file *sf = file->private_data;
+	struct mmc_card *card = sf->private;
 	struct mmc_test_card *test;
 	long testcase;
 	int ret;

drivers/mmc/core/regulator.c

@@ -110,6 +110,9 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
 	int			result = 0;
 	int			min_uV, max_uV;
 
+	if (IS_ERR(supply))
+		return 0;
+
 	if (vdd_bit) {
 		mmc_ocrbitnum_to_vdd(vdd_bit, &min_uV, &max_uV);
 
@@ -271,3 +274,44 @@ int mmc_regulator_get_supply(struct mmc_host *mmc)
 	return 0;
 }
 EXPORT_SYMBOL_GPL(mmc_regulator_get_supply);
+
+/**
+ * mmc_regulator_enable_vqmmc - enable VQMMC regulator for a host
+ * @mmc: the host to regulate
+ *
+ * Returns 0 or errno. Enables the regulator for vqmmc.
+ * Keeps track of the enable status for ensuring that calls to
+ * regulator_enable/disable are balanced.
+ */
+int mmc_regulator_enable_vqmmc(struct mmc_host *mmc)
+{
+	int ret = 0;
+
+	if (!IS_ERR(mmc->supply.vqmmc) && !mmc->vqmmc_enabled) {
+		ret = regulator_enable(mmc->supply.vqmmc);
+		if (ret < 0)
+			dev_err(mmc_dev(mmc), "enabling vqmmc regulator failed\n");
+		else
+			mmc->vqmmc_enabled = true;
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mmc_regulator_enable_vqmmc);
+
+/**
+ * mmc_regulator_disable_vqmmc - disable VQMMC regulator for a host
+ * @mmc: the host to regulate
+ *
+ * Returns 0 or errno. Disables the regulator for vqmmc.
+ * Keeps track of the enable status for ensuring that calls to
+ * regulator_enable/disable are balanced.
+ */
+void mmc_regulator_disable_vqmmc(struct mmc_host *mmc)
+{
+	if (!IS_ERR(mmc->supply.vqmmc) && mmc->vqmmc_enabled) {
+		regulator_disable(mmc->supply.vqmmc);
+		mmc->vqmmc_enabled = false;
+	}
+}
+EXPORT_SYMBOL_GPL(mmc_regulator_disable_vqmmc);

drivers/mmc/host/Kconfig

@@ -255,6 +255,7 @@ config MMC_SDHCI_CADENCE
 	tristate "SDHCI support for the Cadence SD/SDIO/eMMC controller"
 	depends on MMC_SDHCI_PLTFM
 	depends on OF
+	select MMC_SDHCI_IO_ACCESSORS
 	help
 	  This selects the Cadence SD/SDIO/eMMC driver.
 

drivers/mmc/host/dw_mmc-pltfm.c

@@ -46,8 +46,7 @@ int dw_mci_pltfm_register(struct platform_device *pdev,
 	host->irq_flags = 0;
 	host->pdata = pdev->dev.platform_data;
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host->regs = devm_ioremap_resource(&pdev->dev, regs);
+	host->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &regs);
 	if (IS_ERR(host->regs))
 		return PTR_ERR(host->regs);
 

drivers/mmc/host/jz4740_mmc.c

@@ -1079,8 +1079,7 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
 		goto err_free_host;
 	}
 
-	host->mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host->base = devm_ioremap_resource(&pdev->dev, host->mem_res);
+	host->base = devm_platform_get_and_ioremap_resource(pdev, 0, &host->mem_res);
 	if (IS_ERR(host->base)) {
 		ret = PTR_ERR(host->base);
 		goto err_free_host;

drivers/mmc/host/meson-gx-mmc.c

@@ -174,7 +174,6 @@ struct meson_host {
 
 	int irq;
 
-	bool vqmmc_enabled;
 	bool needs_pre_post_req;
 
 	spinlock_t lock;
@@ -604,32 +603,18 @@ static void meson_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	 */
 	switch (ios->power_mode) {
 	case MMC_POWER_OFF:
-		if (!IS_ERR(mmc->supply.vmmc))
 		mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
-
-		if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) {
-			regulator_disable(mmc->supply.vqmmc);
-			host->vqmmc_enabled = false;
-		}
+		mmc_regulator_disable_vqmmc(mmc);
 
 		break;
 
 	case MMC_POWER_UP:
-		if (!IS_ERR(mmc->supply.vmmc))
 		mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd);
 
 		break;
 
 	case MMC_POWER_ON:
-		if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) {
-			int ret = regulator_enable(mmc->supply.vqmmc);
-
-			if (ret < 0)
-				dev_err(host->dev,
-					"failed to enable vqmmc regulator\n");
-			else
-				host->vqmmc_enabled = true;
-		}
+		mmc_regulator_enable_vqmmc(mmc);
 
 		break;
 	}
@@ -1181,7 +1166,6 @@ static int meson_mmc_probe(struct platform_device *pdev)
 					"amlogic,dram-access-quirk");
 
 	/* Get regulators and the supported OCR mask */
-	host->vqmmc_enabled = false;
 	ret = mmc_regulator_get_supply(mmc);
 	if (ret)
 		return ret;

drivers/mmc/host/mmci.c

@@ -1962,28 +1962,28 @@ static int mmci_of_parse(struct device_node *np, struct mmc_host *mmc)
 	if (ret)
 		return ret;
 
-	if (of_get_property(np, "st,sig-dir-dat0", NULL))
+	if (of_property_read_bool(np, "st,sig-dir-dat0"))
 		host->pwr_reg_add |= MCI_ST_DATA0DIREN;
-	if (of_get_property(np, "st,sig-dir-dat2", NULL))
+	if (of_property_read_bool(np, "st,sig-dir-dat2"))
 		host->pwr_reg_add |= MCI_ST_DATA2DIREN;
-	if (of_get_property(np, "st,sig-dir-dat31", NULL))
+	if (of_property_read_bool(np, "st,sig-dir-dat31"))
 		host->pwr_reg_add |= MCI_ST_DATA31DIREN;
-	if (of_get_property(np, "st,sig-dir-dat74", NULL))
+	if (of_property_read_bool(np, "st,sig-dir-dat74"))
 		host->pwr_reg_add |= MCI_ST_DATA74DIREN;
-	if (of_get_property(np, "st,sig-dir-cmd", NULL))
+	if (of_property_read_bool(np, "st,sig-dir-cmd"))
 		host->pwr_reg_add |= MCI_ST_CMDDIREN;
-	if (of_get_property(np, "st,sig-pin-fbclk", NULL))
+	if (of_property_read_bool(np, "st,sig-pin-fbclk"))
 		host->pwr_reg_add |= MCI_ST_FBCLKEN;
-	if (of_get_property(np, "st,sig-dir", NULL))
+	if (of_property_read_bool(np, "st,sig-dir"))
 		host->pwr_reg_add |= MCI_STM32_DIRPOL;
-	if (of_get_property(np, "st,neg-edge", NULL))
+	if (of_property_read_bool(np, "st,neg-edge"))
 		host->clk_reg_add |= MCI_STM32_CLK_NEGEDGE;
-	if (of_get_property(np, "st,use-ckin", NULL))
+	if (of_property_read_bool(np, "st,use-ckin"))
 		mmci_probe_level_translator(mmc);
 
-	if (of_get_property(np, "mmc-cap-mmc-highspeed", NULL))
+	if (of_property_read_bool(np, "mmc-cap-mmc-highspeed"))
 		mmc->caps |= MMC_CAP_MMC_HIGHSPEED;
-	if (of_get_property(np, "mmc-cap-sd-highspeed", NULL))
+	if (of_property_read_bool(np, "mmc-cap-sd-highspeed"))
 		mmc->caps |= MMC_CAP_SD_HIGHSPEED;
 
 	return 0;

drivers/mmc/host/omap.c

@@ -1345,8 +1345,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return -ENXIO;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host->virt_base = devm_ioremap_resource(&pdev->dev, res);
+	host->virt_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(host->virt_base))
 		return PTR_ERR(host->virt_base);
 

drivers/mmc/host/omap_hsmmc.c

@@ -1736,18 +1736,18 @@ static struct omap_hsmmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
 	if (legacy && legacy->name)
 		pdata->name = legacy->name;
 
-	if (of_find_property(np, "ti,dual-volt", NULL))
+	if (of_property_read_bool(np, "ti,dual-volt"))
 		pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;
 
-	if (of_find_property(np, "ti,non-removable", NULL)) {
+	if (of_property_read_bool(np, "ti,non-removable")) {
 		pdata->nonremovable = true;
 		pdata->no_regulator_off_init = true;
 	}
 
-	if (of_find_property(np, "ti,needs-special-reset", NULL))
+	if (of_property_read_bool(np, "ti,needs-special-reset"))
 		pdata->features |= HSMMC_HAS_UPDATED_RESET;
 
-	if (of_find_property(np, "ti,needs-special-hs-handling", NULL))
+	if (of_property_read_bool(np, "ti,needs-special-hs-handling"))
 		pdata->features |= HSMMC_HAS_HSPE_SUPPORT;
 
 	return pdata;

drivers/mmc/host/owl-mmc.c

@@ -578,8 +578,7 @@ static int owl_mmc_probe(struct platform_device *pdev)
 	owl_host->mmc = mmc;
 	spin_lock_init(&owl_host->lock);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	owl_host->base = devm_ioremap_resource(&pdev->dev, res);
+	owl_host->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(owl_host->base)) {
 		ret = PTR_ERR(owl_host->base);
 		goto err_free_host;

drivers/mmc/host/renesas_sdhi_internal_dmac.c

@@ -72,11 +72,10 @@ enum renesas_sdhi_dma_cookie {
 
 static unsigned long global_flags;
 /*
- * Workaround for avoiding to use RX DMAC by multiple channels.
- * On R-Car H3 ES1.* and M3-W ES1.0, when multiple SDHI channels use
- * RX DMAC simultaneously, sometimes hundreds of bytes data are not
- * stored into the system memory even if the DMAC interrupt happened.
- * So, this driver then uses one RX DMAC channel only.
+ * Workaround for avoiding to use RX DMAC by multiple channels. On R-Car M3-W
+ * ES1.0, when multiple SDHI channels use RX DMAC simultaneously, sometimes
+ * hundreds of data bytes are not stored into the system memory even if the
+ * DMAC interrupt happened. So, this driver then uses one RX DMAC channel only.
  */
 #define SDHI_INTERNAL_DMAC_RX_IN_USE	0
 
@@ -222,7 +221,6 @@ static const struct renesas_sdhi_quirks sdhi_quirks_r9a09g011 = {
  */
 static const struct soc_device_attribute sdhi_quirks_match[]  = {
 	{ .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
-	{ .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400_one_rx },
 	{ .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap },
 	{ .soc_id = "r8a7796", .revision = "ES1.0", .data = &sdhi_quirks_4tap_nohs400_one_rx },
 	{ .soc_id = "r8a7796", .revision = "ES1.[12]", .data = &sdhi_quirks_4tap_nohs400 },

drivers/mmc/host/sdhci-cadence.c

@@ -12,6 +12,7 @@
 #include <linux/mmc/mmc.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/reset.h>
 
 #include "sdhci-pltfm.h"
 
@@ -66,7 +67,11 @@ struct sdhci_cdns_phy_param {
 
 struct sdhci_cdns_priv {
 	void __iomem *hrs_addr;
+	void __iomem *ctl_addr;	/* write control */
+	spinlock_t wrlock;	/* write lock */
 	bool enhanced_strobe;
+	void (*priv_writel)(struct sdhci_cdns_priv *priv, u32 val, void __iomem *reg);
+	struct reset_control *rst_hw;
 	unsigned int nr_phy_params;
 	struct sdhci_cdns_phy_param phy_params[];
 };
@@ -76,6 +81,11 @@ struct sdhci_cdns_phy_cfg {
 	u8 addr;
 };
 
+struct sdhci_cdns_drv_data {
+	int (*init)(struct platform_device *pdev);
+	const struct sdhci_pltfm_data pltfm_data;
+};
+
 static const struct sdhci_cdns_phy_cfg sdhci_cdns_phy_cfgs[] = {
 	{ "cdns,phy-input-delay-sd-highspeed", SDHCI_CDNS_PHY_DLY_SD_HS, },
 	{ "cdns,phy-input-delay-legacy", SDHCI_CDNS_PHY_DLY_SD_DEFAULT, },
@@ -90,6 +100,12 @@ static const struct sdhci_cdns_phy_cfg sdhci_cdns_phy_cfgs[] = {
 	{ "cdns,phy-dll-delay-strobe", SDHCI_CDNS_PHY_DLY_STROBE, },
 };
 
+static inline void cdns_writel(struct sdhci_cdns_priv *priv, u32 val,
+			       void __iomem *reg)
+{
+	writel(val, reg);
+}
+
 static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_priv *priv,
 				    u8 addr, u8 data)
 {
@@ -104,17 +120,17 @@ static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_priv *priv,
 
 	tmp = FIELD_PREP(SDHCI_CDNS_HRS04_WDATA, data) |
 	      FIELD_PREP(SDHCI_CDNS_HRS04_ADDR, addr);
-	writel(tmp, reg);
+	priv->priv_writel(priv, tmp, reg);
 
 	tmp |= SDHCI_CDNS_HRS04_WR;
-	writel(tmp, reg);
+	priv->priv_writel(priv, tmp, reg);
 
 	ret = readl_poll_timeout(reg, tmp, tmp & SDHCI_CDNS_HRS04_ACK, 0, 10);
 	if (ret)
 		return ret;
 
 	tmp &= ~SDHCI_CDNS_HRS04_WR;
-	writel(tmp, reg);
+	priv->priv_writel(priv, tmp, reg);
 
 	ret = readl_poll_timeout(reg, tmp, !(tmp & SDHCI_CDNS_HRS04_ACK),
 				 0, 10);
@@ -191,7 +207,7 @@ static void sdhci_cdns_set_emmc_mode(struct sdhci_cdns_priv *priv, u32 mode)
 	tmp = readl(priv->hrs_addr + SDHCI_CDNS_HRS06);
 	tmp &= ~SDHCI_CDNS_HRS06_MODE;
 	tmp |= FIELD_PREP(SDHCI_CDNS_HRS06_MODE, mode);
-	writel(tmp, priv->hrs_addr + SDHCI_CDNS_HRS06);
+	priv->priv_writel(priv, tmp, priv->hrs_addr + SDHCI_CDNS_HRS06);
 }
 
 static u32 sdhci_cdns_get_emmc_mode(struct sdhci_cdns_priv *priv)
@@ -223,7 +239,7 @@ static int sdhci_cdns_set_tune_val(struct sdhci_host *host, unsigned int val)
 	 */
 	for (i = 0; i < 2; i++) {
 		tmp |= SDHCI_CDNS_HRS06_TUNE_UP;
-		writel(tmp, reg);
+		priv->priv_writel(priv, tmp, reg);
 
 		ret = readl_poll_timeout(reg, tmp,
 					 !(tmp & SDHCI_CDNS_HRS06_TUNE_UP),
@@ -309,6 +325,91 @@ static void sdhci_cdns_set_uhs_signaling(struct sdhci_host *host,
 		sdhci_set_uhs_signaling(host, timing);
 }
 
+/* Elba control register bits [6:3] are byte-lane enables */
+#define ELBA_BYTE_ENABLE_MASK(x)	((x) << 3)
+
+/*
+ * The Pensando Elba SoC explicitly controls byte-lane enabling on writes
+ * which includes writes to the HRS registers.  The write lock (wrlock)
+ * is used to ensure byte-lane enable, using write control (ctl_addr),
+ * occurs before the data write.
+ */
+static void elba_priv_writel(struct sdhci_cdns_priv *priv, u32 val,
+			     void __iomem *reg)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->wrlock, flags);
+	writel(GENMASK(7, 3), priv->ctl_addr);
+	writel(val, reg);
+	spin_unlock_irqrestore(&priv->wrlock, flags);
+}
+
+static void elba_write_l(struct sdhci_host *host, u32 val, int reg)
+{
+	elba_priv_writel(sdhci_cdns_priv(host), val, host->ioaddr + reg);
+}
+
+static void elba_write_w(struct sdhci_host *host, u16 val, int reg)
+{
+	struct sdhci_cdns_priv *priv = sdhci_cdns_priv(host);
+	u32 shift = reg & GENMASK(1, 0);
+	unsigned long flags;
+	u32 byte_enables;
+
+	byte_enables = GENMASK(1, 0) << shift;
+	spin_lock_irqsave(&priv->wrlock, flags);
+	writel(ELBA_BYTE_ENABLE_MASK(byte_enables), priv->ctl_addr);
+	writew(val, host->ioaddr + reg);
+	spin_unlock_irqrestore(&priv->wrlock, flags);
+}
+
+static void elba_write_b(struct sdhci_host *host, u8 val, int reg)
+{
+	struct sdhci_cdns_priv *priv = sdhci_cdns_priv(host);
+	u32 shift = reg & GENMASK(1, 0);
+	unsigned long flags;
+	u32 byte_enables;
+
+	byte_enables = BIT(0) << shift;
+	spin_lock_irqsave(&priv->wrlock, flags);
+	writel(ELBA_BYTE_ENABLE_MASK(byte_enables), priv->ctl_addr);
+	writeb(val, host->ioaddr + reg);
+	spin_unlock_irqrestore(&priv->wrlock, flags);
+}
+
+static const struct sdhci_ops sdhci_elba_ops = {
+	.write_l = elba_write_l,
+	.write_w = elba_write_w,
+	.write_b = elba_write_b,
+	.set_clock = sdhci_set_clock,
+	.get_timeout_clock = sdhci_cdns_get_timeout_clock,
+	.set_bus_width = sdhci_set_bus_width,
+	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_cdns_set_uhs_signaling,
+};
+
+static int elba_drv_init(struct platform_device *pdev)
+{
+	struct sdhci_host *host = platform_get_drvdata(pdev);
+	struct sdhci_cdns_priv *priv = sdhci_cdns_priv(host);
+	void __iomem *ioaddr;
+
+	host->mmc->caps |= MMC_CAP_1_8V_DDR | MMC_CAP_8_BIT_DATA;
+	spin_lock_init(&priv->wrlock);
+
+	/* Byte-lane control register */
+	ioaddr = devm_platform_ioremap_resource(pdev, 1);
+	if (IS_ERR(ioaddr))
+		return PTR_ERR(ioaddr);
+
+	priv->ctl_addr = ioaddr;
+	priv->priv_writel = elba_priv_writel;
+	writel(ELBA_BYTE_ENABLE_MASK(0xf), priv->ctl_addr);
+
+	return 0;
+}
+
 static const struct sdhci_ops sdhci_cdns_ops = {
 	.set_clock = sdhci_set_clock,
 	.get_timeout_clock = sdhci_cdns_get_timeout_clock,
@@ -318,13 +419,24 @@ static const struct sdhci_ops sdhci_cdns_ops = {
 	.set_uhs_signaling = sdhci_cdns_set_uhs_signaling,
 };
 
-static const struct sdhci_pltfm_data sdhci_cdns_uniphier_pltfm_data = {
+static const struct sdhci_cdns_drv_data sdhci_cdns_uniphier_drv_data = {
+	.pltfm_data = {
 		.ops = &sdhci_cdns_ops,
 		.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+	},
 };
 
-static const struct sdhci_pltfm_data sdhci_cdns_pltfm_data = {
+static const struct sdhci_cdns_drv_data sdhci_elba_drv_data = {
+	.init = elba_drv_init,
+	.pltfm_data = {
+		.ops = &sdhci_elba_ops,
+	},
+};
+
+static const struct sdhci_cdns_drv_data sdhci_cdns_drv_data = {
+	.pltfm_data = {
 		.ops = &sdhci_cdns_ops,
+	},
 };
 
 static void sdhci_cdns_hs400_enhanced_strobe(struct mmc_host *mmc,
@@ -347,10 +459,26 @@ static void sdhci_cdns_hs400_enhanced_strobe(struct mmc_host *mmc,
 					 SDHCI_CDNS_HRS06_MODE_MMC_HS400);
 }
 
+static void sdhci_cdns_mmc_hw_reset(struct mmc_host *mmc)
+{
+	struct sdhci_host *host = mmc_priv(mmc);
+	struct sdhci_cdns_priv *priv = sdhci_cdns_priv(host);
+
+	dev_dbg(mmc_dev(host->mmc), "emmc hardware reset\n");
+
+	reset_control_assert(priv->rst_hw);
+	/* For eMMC, minimum is 1us but give it 3us for good measure */
+	udelay(3);
+
+	reset_control_deassert(priv->rst_hw);
+	/* For eMMC, minimum is 200us but give it 300us for good measure */
+	usleep_range(300, 1000);
+}
+
 static int sdhci_cdns_probe(struct platform_device *pdev)
 {
 	struct sdhci_host *host;
-	const struct sdhci_pltfm_data *data;
+	const struct sdhci_cdns_drv_data *data;
 	struct sdhci_pltfm_host *pltfm_host;
 	struct sdhci_cdns_priv *priv;
 	struct clk *clk;
@@ -369,10 +497,10 @@ static int sdhci_cdns_probe(struct platform_device *pdev)
 
 	data = of_device_get_match_data(dev);
 	if (!data)
-		data = &sdhci_cdns_pltfm_data;
+		data = &sdhci_cdns_drv_data;
 
 	nr_phy_params = sdhci_cdns_phy_param_count(dev->of_node);
-	host = sdhci_pltfm_init(pdev, data,
+	host = sdhci_pltfm_init(pdev, &data->pltfm_data,
 				struct_size(priv, phy_params, nr_phy_params));
 	if (IS_ERR(host)) {
 		ret = PTR_ERR(host);
@@ -386,9 +514,15 @@ static int sdhci_cdns_probe(struct platform_device *pdev)
 	priv->nr_phy_params = nr_phy_params;
 	priv->hrs_addr = host->ioaddr;
 	priv->enhanced_strobe = false;
+	priv->priv_writel = cdns_writel;
 	host->ioaddr += SDHCI_CDNS_SRS_BASE;
 	host->mmc_host_ops.hs400_enhanced_strobe =
 				sdhci_cdns_hs400_enhanced_strobe;
+	if (data->init) {
+		ret = data->init(pdev);
+		if (ret)
+			goto free;
+	}
 	sdhci_enable_v4_mode(host);
 	__sdhci_read_caps(host, &version, NULL, NULL);
 
@@ -404,6 +538,15 @@ static int sdhci_cdns_probe(struct platform_device *pdev)
 	if (ret)
 		goto free;
 
+	if (host->mmc->caps & MMC_CAP_HW_RESET) {
+		priv->rst_hw = devm_reset_control_get_optional_exclusive(dev, NULL);
+		if (IS_ERR(priv->rst_hw))
+			return dev_err_probe(mmc_dev(host->mmc), PTR_ERR(priv->rst_hw),
+					     "reset controller error\n");
+		if (priv->rst_hw)
+			host->mmc_host_ops.card_hw_reset = sdhci_cdns_mmc_hw_reset;
+	}
+
 	ret = sdhci_add_host(host);
 	if (ret)
 		goto free;
@@ -453,7 +596,11 @@ static const struct dev_pm_ops sdhci_cdns_pm_ops = {
 static const struct of_device_id sdhci_cdns_match[] = {
 	{
 		.compatible = "socionext,uniphier-sd4hc",
-		.data = &sdhci_cdns_uniphier_pltfm_data,
+		.data = &sdhci_cdns_uniphier_drv_data,
+	},
+	{
+		.compatible = "amd,pensando-elba-sd4hc",
+		.data = &sdhci_elba_drv_data,
 	},
 	{ .compatible = "cdns,sd4hc" },
 	{ /* sentinel */ }

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

@@ -1597,7 +1597,7 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 	struct esdhc_platform_data *boarddata = &imx_data->boarddata;
 	int ret;
 
-	if (of_get_property(np, "fsl,wp-controller", NULL))
+	if (of_property_read_bool(np, "fsl,wp-controller"))
 		boarddata->wp_type = ESDHC_WP_CONTROLLER;
 
 	/*
@@ -1614,7 +1614,7 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 
 	of_property_read_u32(np, "fsl,strobe-dll-delay-target",
 				&boarddata->strobe_dll_delay_target);
-	if (of_find_property(np, "no-1-8-v", NULL))
+	if (of_property_read_bool(np, "no-1-8-v"))
 		host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
 
 	if (of_property_read_u32(np, "fsl,delay-line", &boarddata->delay_line))

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

@@ -547,8 +547,7 @@ static int aspeed_sdc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	sdc->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	sdc->regs = devm_ioremap_resource(&pdev->dev, sdc->res);
+	sdc->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &sdc->res);
 	if (IS_ERR(sdc->regs)) {
 		ret = PTR_ERR(sdc->regs);
 		goto err_clk;

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

@@ -126,6 +126,13 @@ static unsigned int dwcmshc_get_max_clock(struct sdhci_host *host)
 		return pltfm_host->clock;
 }
 
+static unsigned int rk35xx_get_max_clock(struct sdhci_host *host)
+{
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+
+	return clk_round_rate(pltfm_host->clk, ULONG_MAX);
+}
+
 static void dwcmshc_check_auto_cmd23(struct mmc_host *mmc,
 				     struct mmc_request *mrq)
 {
@@ -343,7 +350,7 @@ static const struct sdhci_ops sdhci_dwcmshc_rk35xx_ops = {
 	.set_clock		= dwcmshc_rk3568_set_clock,
 	.set_bus_width		= sdhci_set_bus_width,
 	.set_uhs_signaling	= dwcmshc_set_uhs_signaling,
-	.get_max_clock		= sdhci_pltfm_clk_get_max_clock,
+	.get_max_clock		= rk35xx_get_max_clock,
 	.reset			= rk35xx_sdhci_reset,
 	.adma_write_desc	= dwcmshc_adma_write_desc,
 };

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

@@ -133,6 +133,7 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host,
 			return ret;
 		}
 	}
+
 	/*
 	 * The DAT[3:0] line signal levels and the CMD line signal level are
 	 * not compatible with standard SDHC register. The line signal levels
@@ -144,6 +145,16 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host,
 		ret = value & 0x000fffff;
 		ret |= (value >> 4) & SDHCI_DATA_LVL_MASK;
 		ret |= (value << 1) & SDHCI_CMD_LVL;
+
+		/*
+		 * Some controllers have unreliable Data Line Active
+		 * bit for commands with busy signal. This affects
+		 * Command Inhibit (data) bit. Just ignore it since
+		 * MMC core driver has already polled card status
+		 * with CMD13 after any command with busy siganl.
+		 */
+		if (esdhc->quirk_ignore_data_inhibit)
+			ret &= ~SDHCI_DATA_INHIBIT;
 		return ret;
 	}
 
@@ -158,19 +169,6 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host,
 		return ret;
 	}
 
-	/*
-	 * Some controllers have unreliable Data Line Active
-	 * bit for commands with busy signal. This affects
-	 * Command Inhibit (data) bit. Just ignore it since
-	 * MMC core driver has already polled card status
-	 * with CMD13 after any command with busy siganl.
-	 */
-	if ((spec_reg == SDHCI_PRESENT_STATE) &&
-	(esdhc->quirk_ignore_data_inhibit == true)) {
-		ret = value & ~SDHCI_DATA_INHIBIT;
-		return ret;
-	}
-
 	ret = value;
 	return ret;
 }

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

@@ -339,6 +339,8 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode)
 	reg_val &= ~SDHCI_CLOCK_CARD_EN;
 	sdhci_writew(host, reg_val, SDHCI_CLOCK_CONTROL);
 
+	if ((host->timing == MMC_TIMING_MMC_HS200) ||
+		(host->timing == MMC_TIMING_UHS_SDR104)) {
 		/* UnLock WP */
 		pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch_8);
 		scratch_8 &= 0x7f;
@@ -354,7 +356,7 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode)
 		pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch_8);
 		scratch_8 |= 0x80;
 		pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch_8);
-
+	}
 	/* Start clk */
 	reg_val = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
 	reg_val |= SDHCI_CLOCK_CARD_EN;

drivers/mmc/host/sdhci-pltfm.c

@@ -54,7 +54,6 @@ static bool sdhci_wp_inverted(struct device *dev)
 #endif /* CONFIG_PPC */
 }
 
-#ifdef CONFIG_OF
 static void sdhci_get_compatibility(struct platform_device *pdev)
 {
 	struct sdhci_host *host = platform_get_drvdata(pdev);
@@ -72,9 +71,6 @@ static void sdhci_get_compatibility(struct platform_device *pdev)
 	    of_device_is_compatible(np, "fsl,mpc8536-esdhc"))
 		host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
 }
-#else
-void sdhci_get_compatibility(struct platform_device *pdev) {}
-#endif /* CONFIG_OF */
 
 void sdhci_get_property(struct platform_device *pdev)
 {

drivers/mmc/host/sdhci-pxav2.c

@@ -228,7 +228,7 @@ static struct sdhci_pxa_platdata *pxav2_get_mmc_pdata(struct device *dev)
 	if (!pdata)
 		return NULL;
 
-	if (of_find_property(np, "non-removable", NULL))
+	if (of_property_read_bool(np, "non-removable"))
 		pdata->flags |= PXA_FLAG_CARD_PERMANENT;
 
 	of_property_read_u32(np, "bus-width", &bus_width);

drivers/mmc/host/sdhci-s3c.c

@@ -437,12 +437,12 @@ static int sdhci_s3c_parse_dt(struct device *dev,
 	pdata->max_width = max_width;
 
 	/* get the card detection method */
-	if (of_get_property(node, "broken-cd", NULL)) {
+	if (of_property_read_bool(node, "broken-cd")) {
 		pdata->cd_type = S3C_SDHCI_CD_NONE;
 		return 0;
 	}
 
-	if (of_get_property(node, "non-removable", NULL)) {
+	if (of_property_read_bool(node, "non-removable")) {
 		pdata->cd_type = S3C_SDHCI_CD_PERMANENT;
 		return 0;
 	}

drivers/mmc/host/sdhci_am654.c

@@ -85,6 +85,7 @@
 #define DRIVER_STRENGTH_40_OHM	0x4
 
 #define CLOCK_TOO_SLOW_HZ	50000000
+#define SDHCI_AM654_AUTOSUSPEND_DELAY	-1
 
 /* Command Queue Host Controller Interface Base address */
 #define SDHCI_AM654_CQE_BASE_ADDR 0x200
@@ -808,16 +809,10 @@ static int sdhci_am654_probe(struct platform_device *pdev)
 
 	pltfm_host->clk = clk_xin;
 
-	/* Clocks are enabled using pm_runtime */
-	pm_runtime_enable(dev);
-	ret = pm_runtime_resume_and_get(dev);
-	if (ret)
-		goto pm_runtime_disable;
-
 	base = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(base)) {
 		ret = PTR_ERR(base);
-		goto pm_runtime_put;
+		goto err_pltfm_free;
 	}
 
 	sdhci_am654->base = devm_regmap_init_mmio(dev, base,
@@ -825,31 +820,47 @@ static int sdhci_am654_probe(struct platform_device *pdev)
 	if (IS_ERR(sdhci_am654->base)) {
 		dev_err(dev, "Failed to initialize regmap\n");
 		ret = PTR_ERR(sdhci_am654->base);
-		goto pm_runtime_put;
+		goto err_pltfm_free;
 	}
 
 	ret = sdhci_am654_get_of_property(pdev, sdhci_am654);
 	if (ret)
-		goto pm_runtime_put;
+		goto err_pltfm_free;
 
 	ret = mmc_of_parse(host->mmc);
 	if (ret) {
 		dev_err_probe(dev, ret, "parsing dt failed\n");
-		goto pm_runtime_put;
+		goto err_pltfm_free;
 	}
 
 	host->mmc_host_ops.execute_tuning = sdhci_am654_execute_tuning;
 
+	pm_runtime_get_noresume(dev);
+	ret = pm_runtime_set_active(dev);
+	if (ret)
+		goto pm_put;
+	pm_runtime_enable(dev);
+	ret = clk_prepare_enable(pltfm_host->clk);
+	if (ret)
+		goto pm_disable;
+
 	ret = sdhci_am654_init(host);
 	if (ret)
-		goto pm_runtime_put;
+		goto clk_disable;
 
+	/* Setting up autosuspend */
+	pm_runtime_set_autosuspend_delay(dev, SDHCI_AM654_AUTOSUSPEND_DELAY);
+	pm_runtime_use_autosuspend(dev);
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
 	return 0;
 
-pm_runtime_put:
-	pm_runtime_put_sync(dev);
-pm_runtime_disable:
+clk_disable:
+	clk_disable_unprepare(pltfm_host->clk);
+pm_disable:
 	pm_runtime_disable(dev);
+pm_put:
+	pm_runtime_put_noidle(dev);
 err_pltfm_free:
 	sdhci_pltfm_free(pdev);
 	return ret;
@@ -858,23 +869,127 @@ static int sdhci_am654_probe(struct platform_device *pdev)
 static int sdhci_am654_remove(struct platform_device *pdev)
 {
 	struct sdhci_host *host = platform_get_drvdata(pdev);
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	int ret;
 
-	sdhci_remove_host(host, true);
-	ret = pm_runtime_put_sync(&pdev->dev);
+	ret = pm_runtime_resume_and_get(&pdev->dev);
 	if (ret < 0)
 		return ret;
 
+	sdhci_remove_host(host, true);
+	clk_disable_unprepare(pltfm_host->clk);
 	pm_runtime_disable(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
 	sdhci_pltfm_free(pdev);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int sdhci_am654_restore(struct sdhci_host *host)
+{
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct sdhci_am654_data *sdhci_am654 = sdhci_pltfm_priv(pltfm_host);
+	u32 ctl_cfg_2 = 0;
+	u32 val;
+	int ret;
+
+	if (sdhci_am654->flags & DLL_CALIB) {
+		regmap_read(sdhci_am654->base, PHY_STAT1, &val);
+		if (~val & CALDONE_MASK) {
+			/* Calibrate IO lines */
+			regmap_update_bits(sdhci_am654->base, PHY_CTRL1,
+					   PDB_MASK, PDB_MASK);
+			ret = regmap_read_poll_timeout(sdhci_am654->base,
+						       PHY_STAT1, val,
+						       val & CALDONE_MASK,
+						       1, 20);
+			if (ret)
+				return ret;
+		}
+	}
+
+	/* Enable pins by setting IO mux to 0 */
+	if (sdhci_am654->flags & IOMUX_PRESENT)
+		regmap_update_bits(sdhci_am654->base, PHY_CTRL1,
+				   IOMUX_ENABLE_MASK, 0);
+
+	/* Set slot type based on SD or eMMC */
+	if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+		ctl_cfg_2 = SLOTTYPE_EMBEDDED;
+
+	regmap_update_bits(sdhci_am654->base, CTL_CFG_2, SLOTTYPE_MASK,
+			   ctl_cfg_2);
+
+	regmap_read(sdhci_am654->base, CTL_CFG_3, &val);
+	if (~val & TUNINGFORSDR50_MASK)
+		/* Enable tuning for SDR50 */
+		regmap_update_bits(sdhci_am654->base, CTL_CFG_3, TUNINGFORSDR50_MASK,
+				   TUNINGFORSDR50_MASK);
+
+	return 0;
+}
+
+static int sdhci_am654_runtime_suspend(struct device *dev)
+{
+	struct sdhci_host *host = dev_get_drvdata(dev);
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	int ret;
+
+	if (host->tuning_mode != SDHCI_TUNING_MODE_3)
+		mmc_retune_needed(host->mmc);
+
+	ret = cqhci_suspend(host->mmc);
+	if (ret)
+		return ret;
+
+	ret = sdhci_runtime_suspend_host(host);
+	if (ret)
+		return ret;
+
+	/* disable the clock */
+	clk_disable_unprepare(pltfm_host->clk);
+	return 0;
+}
+
+static int sdhci_am654_runtime_resume(struct device *dev)
+{
+	struct sdhci_host *host = dev_get_drvdata(dev);
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	int ret;
+
+	/* Enable the clock */
+	ret = clk_prepare_enable(pltfm_host->clk);
+	if (ret)
+		return ret;
+
+	ret = sdhci_am654_restore(host);
+	if (ret)
+		return ret;
+
+	ret = sdhci_runtime_resume_host(host, 0);
+	if (ret)
+		return ret;
+
+	ret = cqhci_resume(host->mmc);
+	if (ret)
+		return ret;
 
 	return 0;
 }
+#endif
+
+static const struct dev_pm_ops sdhci_am654_dev_pm_ops = {
+	SET_RUNTIME_PM_OPS(sdhci_am654_runtime_suspend,
+			   sdhci_am654_runtime_resume, NULL)
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
+};
 
 static struct platform_driver sdhci_am654_driver = {
 	.driver = {
 		.name = "sdhci-am654",
 		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+		.pm = &sdhci_am654_dev_pm_ops,
 		.of_match_table = sdhci_am654_of_match,
 	},
 	.probe = sdhci_am654_probe,

drivers/mmc/host/sdricoh_cs.c

@@ -101,14 +101,6 @@ static inline void sdricoh_writel(struct sdricoh_host *host, unsigned int reg,
 
 }
 
-static inline unsigned int sdricoh_readw(struct sdricoh_host *host,
-					 unsigned int reg)
-{
-	unsigned int value = readw(host->iobase + reg);
-	dev_vdbg(host->dev, "rb %x 0x%x\n", reg, value);
-	return value;
-}
-
 static inline void sdricoh_writew(struct sdricoh_host *host, unsigned int reg,
 					 unsigned short value)
 {

drivers/mmc/host/tmio_mmc_core.c

@@ -1084,7 +1084,7 @@ static void tmio_mmc_of_parse(struct platform_device *pdev,
 	 * For new platforms, please use "disable-wp" instead of
 	 * "toshiba,mmc-wrprotect-disable"
 	 */
-	if (of_get_property(np, "toshiba,mmc-wrprotect-disable", NULL))
+	if (of_property_read_bool(np, "toshiba,mmc-wrprotect-disable"))
 		mmc->caps2 |= MMC_CAP2_NO_WRITE_PROTECT;
 }
 

drivers/mmc/host/usdhi6rol0.c

@@ -1790,8 +1790,7 @@ static int usdhi6_probe(struct platform_device *pdev)
 
 	host->pins_uhs = pinctrl_lookup_state(host->pinctrl, "state_uhs");
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host->base = devm_ioremap_resource(dev, res);
+	host->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(host->base)) {
 		ret = PTR_ERR(host->base);
 		goto e_free_mmc;

drivers/mmc/host/vub300.c

@@ -1341,8 +1341,6 @@ static void __download_offload_pseudocode(struct vub300_mmc_host *vub300,
 		return;
 	}
 
-	return;
-
 copy_error_message:
 	strncpy(vub300->vub_name, "SDIO pseudocode download failed",
 		sizeof(vub300->vub_name));

drivers/mmc/host/wmt-sdmmc.c

@@ -802,10 +802,8 @@ static int wmt_mci_probe(struct platform_device *pdev)
 	priv->power_inverted = 0;
 	priv->cd_inverted = 0;
 
-	if (of_get_property(np, "sdon-inverted", NULL))
-		priv->power_inverted = 1;
-	if (of_get_property(np, "cd-inverted", NULL))
-		priv->cd_inverted = 1;
+	priv->power_inverted = of_property_read_bool(np, "sdon-inverted");
+	priv->cd_inverted = of_property_read_bool(np, "cd-inverted");
 
 	priv->sdmmc_base = of_iomap(np, 0);
 	if (!priv->sdmmc_base) {

include/linux/mmc/host.h

@@ -450,6 +450,7 @@ struct mmc_host {
 	unsigned int		retune_paused:1; /* re-tuning is temporarily disabled */
 	unsigned int		retune_crc_disable:1; /* don't trigger retune upon crc */
 	unsigned int		can_dma_map_merge:1; /* merging can be used */
+	unsigned int		vqmmc_enabled:1; /* vqmmc regulator is enabled */
 
 	int			rescan_disable;	/* disable card detection */
 	int			rescan_entered;	/* used with nonremovable devices */
@@ -598,6 +599,8 @@ static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc,
 #endif
 
 int mmc_regulator_get_supply(struct mmc_host *mmc);
+int mmc_regulator_enable_vqmmc(struct mmc_host *mmc);
+void mmc_regulator_disable_vqmmc(struct mmc_host *mmc);
 
 static inline int mmc_card_is_removable(struct mmc_host *host)
 {