- 29 Nov, 2016 40 commits
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Milo Kim authored
TPS65217 INT pin is used for the system wakeup from suspend mode. This patch enables push button or charger input event as a wakeup source. Signed-off-by:
Milo Kim <woogyom.kim@gmail.com> Signed-off-by:
Lee Jones <lee.jones@linaro.org>
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Milo Kim authored
Rework the IRQ handler by using HW IRQ number and status bit. Each HW IRQ number is matched with TPS65217 register layout[*]. (USB IRQ number is 0, AC is 1, Push button is 2) When an interrupt is enabled, mask bit should be cleared (unmasked). If an interrupt is disabled, then mask bit should be set (masked). This mask value is updated into the TPS65217 register in irq_sync_unlock(). Mask bit and interrupt status bit can be handled with HW IRQ number. Eventually, additional IRQ data, 'tps65217_irqs[]' and the function, 'irq_to_tps65217_irq()' are not necessary. [*] TPS65217 interrupt register layout Bit7 6 5 4 3 2 1 0 ---------------------------------------------- | x | PBM | ACM | USBM | x | PBI | ACI | USBI PBM: Push button status change interrupt mask ACM: AC interrupt mask USBM: USB power status change interrupt mask PBI: Push button status change interrupt ACI: AC power status change interrupt USBI: USB power status change interrupt x: Not used Signed-off-by:
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Milo Kim authored
TPS65217 interrupt register includes read/writeable mask bits with read-only status bits. (bit 4, 5, 6 are R/W, bit 0, 1, 2 are RO) And reserved bit is not required. Register update operation is preferred for disabling all interrupts during the device initialisation. Signed-off-by:
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Milo Kim authored
TPS65217 MFD is an interrupt controller and MFD slave devices like tps65217-charger and tps65217-pwrbutton request an interrupt to handle each HW event. Currently, TPS65217 IRQ name is not defined, so the result is as below. root@arm:~# cat /proc/interrupts ... 182: 0 INTC 7 Level tps65217-irq 183: 0 - 1 Edge tps65217-charger 185: 0 - 2 Edge tps65217_pwrbutton This patch specifies the name of the interrupt controller. 182: 0 INTC 7 Level tps65217-irq 183: 0 tps65217 1 Edge tps65217-charger 185: 0 tps65217 2 Edge tps65217_pwrbutton Signed-off-by:
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Milo Kim authored
TPS65217 IRQ domain should be removed and initialised as NULL when the module is unloaded for the next use. When tps65217.ko is loaded again, it causes the page fault. This patch fixes the error below. root@arm:~# lsmod | grep "tps" tps65217_charger 3538 0 tps65218_pwrbutton 2974 0 tps65217 6710 1 tps65217_charger root@arm:~# modprobe -r tps65217_charger root@arm:~# modprobe tps65217.ko [ 71.990277] Unable to handle kernel paging request at virtual address bf055944 [ 71.998063] pgd = dd3a4000 [ 72.000904] [bf055944] *pgd=9e6f7811, *pte=00000000, *ppte=00000000 [ 72.007567] Internal error: Oops: 7 [#1] SMP ARM [ 72.012404] Modules linked in: tps65217(+) evdev musb_dsps musb_hdrc udc_core tps65218_pwrbutton usbcore phy_am335] [ 72.055700] CPU: 0 PID: 243 Comm: modprobe Not tainted 4.9.0-rc5-next-20161114 #3 [ 72.063531] Hardware name: Generic AM33XX (Flattened Device Tree) [ 72.069899] task: de714380 task.stack: de7e6000 [ 72.074655] PC is at irq_find_matching_fwspec+0x88/0x100 [ 72.080211] LR is at 0xde7e79d8 [ 72.083496] pc : [<c01a5d88>] lr : [<de7e79d8>] psr: 200e0013 [ 72.083496] sp : de7e7a78 ip : 00000000 fp : dd138a68 [ 72.095506] r10: c0ca04f8 r9 : 00000018 r8 : de7e7ab8 [ 72.100973] r7 : 00000001 r6 : c0c4517c r5 : df963f68 r4 : de321980 [ 72.107797] r3 : bf055940 r2 : de714380 r1 : 00000000 r0 : 00000000 [ 72.114633] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 72.122084] Control: 10c5387d Table: 9d3a4019 DAC: 00000051 [ 72.128097] Process modprobe (pid: 243, stack limit = 0xde7e6218) [ 72.134489] Stack: (0xde7e7a78 to 0xde7e8000) [ 72.139060] 7a60: df963f68 de7e7ab8 [ 72.147643] 7a80: 00000000 dd0e1000 dd491e20 c01a6ea0 600e0013 c01a5dc0 dd138a68 c0c45138 [ 72.156216] 7aa0: df963f68 00000000 df963f68 dd0e1010 00000000 c01a71a4 df963f68 00000001 [ 72.164800] 7ac0: 00000002 de7e7ac0 c80048b8 dd0adf00 df963f68 c0c4517c 00000000 de7e7b50 [ 72.173369] 7ae0: 00000018 c0ca04f8 dd138a68 c01a5dc0 df963f68 dd0e1010 00000000 dd0e1000 [ 72.181942] 7b00: dd491e20 c0653a70 df963f58 00000001 00000002 00000000 00000000 00000000 [ 72.190522] 7b20: 600e0093 c0cbf8f0 c0c0512c c0193674 00000001 00000080 00000000 c0554984 [ 72.199096] 7b40: 00000000 00000000 800e0013 c0553858 df963f68 00000000 00000000 00000000 [ 72.207674] 7b60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 72.216239] 7b80: 00000000 00000000 00000000 00000000 00000000 00000000 dd0e1000 c0544d24 [ 72.224816] 7ba0: dd491e10 dd0e1010 dd16e800 bf1d517c bf1d5620 dd0e1010 c1497ed4 bf1d5620 [ 72.233398] 7bc0: dd0e1010 fffffdfb bf1d5620 bf1d5620 00000000 c054537c c0545330 dd0e1010 [ 72.241967] 7be0: c1497ed4 00000000 bf1d5620 c05433ac 00000000 00000000 de7e7c28 c0543570 [ 72.250537] 7c00: 00000001 c1497e90 00000000 c0541884 de080cd4 dd44b7d4 dd0e1010 dd0e1010 [ 72.259109] 7c20: dd0e1044 c05430c8 dd0e1010 00000001 dd0e1010 dd0e1018 dd0e1010 c0c9e328 [ 72.267676] 7c40: de5d4020 c0542760 dd0e1018 dd0e1010 00000000 c0540ba8 dd138a40 c048dec4 [ 72.276253] 7c60: 00000000 dd0e1000 00000001 dd0e1000 dd0e1010 dd0e1000 bf233de0 dd138a40 [ 72.284829] 7c80: dd0e1010 c05450a0 000000bf 00000000 dd138a60 00000001 dd0e1000 c0571240 [ 72.293398] 7ca0: 00000000 dd1ce9c0 00000040 dd1ce9cc bf233de0 00000003 de5d4020 ffffffff [ 72.301969] 7cc0: 00000004 dd0adf00 00000000 c0571408 00000000 00000000 dd0adf00 de5d4020 [ 72.310543] 7ce0: c057146c dd1ce9c0 bf233d14 de5d4020 de7fb3d0 00000004 bf233d14 ffffffff [ 72.319120] 7d00: 00000018 dd49bf30 c01cedc0 c05714d0 00000000 00000000 dd0adf00 de322810 [ 72.327692] 7d20: de322810 00000000 dd033000 000000f0 00000001 bf2333fc 00000000 00000000 [ 72.336269] 7d40: dd0adf00 de5d4020 000000b6 bf233e40 de5d4020 bf233968 de5d4004 de5d4000 [ 72.344848] 7d60: bf233314 c06148ac de5d4020 c1497ed4 00000000 bf233e40 00000000 c05433ac [ 72.353422] 7d80: 00000000 de5d4020 bf233e40 de5d4054 00000000 bf236000 00000000 c0543538 [ 72.362002] 7da0: 00000000 bf233e40 c0543484 c05417e4 de1442a4 de5d04d0 bf233e40 de321300 [ 72.370582] 7dc0: c0caa5a4 c05429fc bf233be0 bf233e40 c0cbfa44 bf233e40 c0cbfa44 dd2f7740 [ 72.379148] 7de0: bf233f00 c05442f0 bf233e8c bf233e24 c0cbfa44 c0615ae0 00000000 bf233f00 [ 72.387718] 7e00: c0cbfa44 c010186c 200f0013 c0191650 de714380 00000000 600f0013 00000040 [ 72.396286] 7e20: dd2f7740 c018f1ac 00000001 c0c8356c 024000c0 c01a8854 c0c56e0e c028225c [ 72.404863] 7e40: dd2f7740 c0191984 de714380 dd2f7740 00000001 bf233f00 bf233f00 c0cbfa44 [ 72.413440] 7e60: dd2f7740 bf233f00 00000001 dd49bf08 dd49bf30 c0230998 00000001 c0c8356c [ 72.421997] 7e80: c0c4c536 c0cbfa44 c0c0512c c01d2070 bf233f0c 00007fff bf233f00 c01cf5b8 [ 72.430570] 7ea0: 00000000 c1475134 c01cee34 bf23411c bf233f48 bf234054 bf234150 00000000 [ 72.439144] 7ec0: 024002c2 de7fbf40 0009bc20 c02776ac ff800000 00000000 00000000 bf233670 [ 72.447723] 7ee0: 00000004 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 72.456298] 7f00: 00000000 00000000 00000000 00000000 c01d2590 0000aa41 00000000 00000000 [ 72.464862] 7f20: 000b2549 e12c3a41 00000051 de7e6000 0009bc20 c01d2630 00000530 e12b9000 [ 72.473438] 7f40: 0000aa41 e12c1434 e12c1211 e12c336c 00001150 00001620 00000000 00000000 [ 72.482003] 7f60: 00000000 000010fc 00000035 00000036 0000001d 0000001a 00000017 00000000 [ 72.490564] 7f80: de7e6000 3ba39a00 0009b008 0009b718 00000080 c0107704 de7e6000 00000000 [ 72.499141] 7fa0: 0009f609 c0107560 3ba39a00 0009b008 000a7b08 0000aa41 0009bc20 0000aa41 [ 72.507717] 7fc0: 3ba39a00 0009b008 0009b718 00000080 00000001 00000008 0009ab14 0009f609 [ 72.516290] 7fe0: bea31ab8 bea31aa8 0001e5eb b6e83b42 800f0030 000a7b08 0000ffff 0840ffff [ 72.524883] [<c01a5d88>] (irq_find_matching_fwspec) from [<c01a6ea0>] (irq_create_fwspec_mapping+0x28/0x2e0) [ 72.535174] [<c01a6ea0>] (irq_create_fwspec_mapping) from [<c01a71a4>] (irq_create_of_mapping+0x4c/0x54) [ 72.545115] [<c01a71a4>] (irq_create_of_mapping) from [<c0653a70>] (of_irq_get+0x58/0x68) [ 72.553699] [<c0653a70>] (of_irq_get) from [<c0544d24>] (platform_get_irq+0x1c/0xec) [ 72.561828] [<c0544d24>] (platform_get_irq) from [<bf1d517c>] (tps6521x_pb_probe+0xd0/0x1a8 [tps65218_pwrbutton]) [ 72.572581] [<bf1d517c>] (tps6521x_pb_probe [tps65218_pwrbutton]) from [<c054537c>] (platform_drv_probe+0x4c/0xac) [ 72.583426] [<c054537c>] (platform_drv_probe) from [<c05433ac>] (driver_probe_device+0x204/0x2dc) [ 72.592729] [<c05433ac>] (driver_probe_device) from [<c0541884>] (bus_for_each_drv+0x58/0x8c) [ 72.601657] [<c0541884>] (bus_for_each_drv) from [<c05430c8>] (__device_attach+0xb0/0x114) [ 72.610324] [<c05430c8>] (__device_attach) from [<c0542760>] (bus_probe_device+0x88/0x90) [ 72.618898] [<c0542760>] (bus_probe_device) from [<c0540ba8>] (device_add+0x3b8/0x560) [ 72.627203] [<c0540ba8>] (device_add) from [<c05450a0>] (platform_device_add+0xa8/0x208) [ 72.635693] [<c05450a0>] (platform_device_add) from [<c0571240>] (mfd_add_device+0x240/0x338) [ 72.644634] [<c0571240>] (mfd_add_device) from [<c0571408>] (mfd_add_devices+0xa0/0x104) [ 72.653120] [<c0571408>] (mfd_add_devices) from [<c05714d0>] (devm_mfd_add_devices+0x60/0xa8) [ 72.662077] [<c05714d0>] (devm_mfd_add_devices) from [<bf2333fc>] (tps65217_probe+0xe8/0x2ec [tps65217]) [ 72.672026] [<bf2333fc>] (tps65217_probe [tps65217]) from [<c06148ac>] (i2c_device_probe+0x168/0x1f4) [ 72.681695] [<c06148ac>] (i2c_device_probe) from [<c05433ac>] (driver_probe_device+0x204/0x2dc) [ 72.690816] [<c05433ac>] (driver_probe_device) from [<c0543538>] (__driver_attach+0xb4/0xb8) [ 72.699657] [<c0543538>] (__driver_attach) from [<c05417e4>] (bus_for_each_dev+0x60/0x94) [ 72.708224] [<c05417e4>] (bus_for_each_dev) from [<c05429fc>] (bus_add_driver+0x18c/0x214) [ 72.716892] [<c05429fc>] (bus_add_driver) from [<c05442f0>] (driver_register+0x78/0xf8) [ 72.725280] [<c05442f0>] (driver_register) from [<c0615ae0>] (i2c_register_driver+0x38/0x80) [ 72.734120] [<c0615ae0>] (i2c_register_driver) from [<c010186c>] (do_one_initcall+0x3c/0x178) [ 72.743055] [<c010186c>] (do_one_initcall) from [<c0230998>] (do_init_module+0x5c/0x1d0) [ 72.751537] [<c0230998>] (do_init_module) from [<c01d2070>] (load_module+0x1d10/0x21c0) [ 72.759933] [<c01d2070>] (load_module) from [<c01d2630>] (SyS_init_module+0x110/0x154) [ 72.768242] [<c01d2630>] (SyS_init_module) from [<c0107560>] (ret_fast_syscall+0x0/0x1c) [ 72.776725] Code: e5944000 e1540006 0a00001b e594300c (e593c004) [ 72.783181] ---[ end trace 0278ec325f4689b8 ]--- Fixes: 6556bdac ("mfd: tps65217: Add support for IRQs") Signed-off-by:
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Keerthy authored
palmas_dev and palmas_power_off are always assigned together. So the check for palmas_dev inside palmas_power_off function is redundant. Removing the same. Signed-off-by:
Keerthy <j-keerthy@ti.com> Signed-off-by:
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Charles Keepax authored
As DCVDD will often be supplied by a child node of the MFD, we can't call mfd_remove_devices as the first step in arizona_dev_exit as might be expected (tidy up the children before we tidy up the MFD). We need to disable and put the DCVDD regulator before we call mfd_remove_devices, to prevent PM runtime from turning this back on we also need to disable the PM runtime before we do this. Finally we can not clean up the IRQs until all the MFD children have been removed, as they may have registered IRQs themselves. This creates a window of time where the interrupts are enabled but the PM runtime, on which the IRQ handler depends, is not available, any interrupts in this window will go unhandled and fill the log with failed to resume device messages. To avoid this we simply disable the main IRQ at the start of arizona_dev_exit, we don't need to actually handle any IRQs in this window as we are removing the driver. Signed-off-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
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Srinivas Kandagatla authored
This patch adds support to PM8821 PMIC and interrupt support. PM8821 is companion device that supplements primary PMIC PM8921 IC. Signed-off-by:
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Andy Shevchenko authored
Enable MWI mechanism if PCI bus master supports it. It might be potential benefit in some cases. Documentation [1] says that standard Memory Write might supply more current data than in the CPU modified cache line and "trashing a line in the cache may trash some data that is more current that in the memory line". This allows to avoid potential retries and other performance degradation issues on the bus. [1] PCI System Architecture, 4th edition, ISBN: 0-201-30974-2, pp.117-119. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
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Pierre-Hugues Husson authored
The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is, the differences are: + DCDC4/DCDC5 + LDO7-10 + Slightly different output voltage/currents + 32kHz Output + RTC + USB Charger detection Signed-off-by:
Pierre-Hugues Husson <phh@phh.me> Acked-by:
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Chen-Yu Tsai authored
The AXP806 supports either master/standalone or slave mode. Slave mode allows sharing the serial bus, even with multiple AXP806 which all have the same hardware address. This is done with extra "serial interface address extension", or AXP806_BUS_ADDR_EXT, and "register address extension", or AXP806_REG_ADDR_EXT, registers. The former is read-only, with 1 bit customizable at the factory, and 1 bit depending on the state of an external pin. The latter is writable. Only when the these device addressing bits (in the upper 4 bits of the registers) match, will the device respond to operations on its other registers. Add these 2 registers to the regmap so we can access them. Signed-off-by:
Chen-Yu Tsai <wens@csie.org> Signed-off-by:
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Wei Yongjun authored
Fix a typo in MODULE_DEVICE_TABLE(). 'pmic_acpi_ids' should be 'bxtwc_acpi_ids'. Signed-off-by:
Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by:
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Johan Hovold authored
Make sure to drop the reference taken by bus_find_device_by_name() before returning from mfd_clone_cell(). Fixes: a9bbba99 ("mfd: add platform_device sharing support for mfd") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Christophe JAILLET authored
'i2c_new_dummy()' does not return an error pointer, so the test can be simplified to be more consistent. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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Arnd Bergmann authored
The new sun4i mfd driver is lacking a dependency, triggering very rarely int randconfig kernel builds: drivers/mfd/sun4i-gpadc.o: In function `sun4i_gpadc_probe': sun4i-gpadc.c:(.text.sun4i_gpadc_probe+0x110): undefined reference to `devm_regmap_add_irq_chip' This adds a 'select REGMAP_IRQ', as the other drivers with this problem do. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config ABX500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. We replace module.h with init.h and export.h ; the latter since the file does export some symbols. Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We also delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. We replace module.h with init.h and export.h -- the latter since the file does make use of EXPORT_SYMBOL. Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_GPADC drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 GPADC driver" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We also delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_DEBUG drivers/mfd/Kconfig: bool "Enable debug info via debugfs" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We replace module.h with moduleparam.h ; the latter since this file was implicitly relying on getting it. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB3100_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. In doing so, the debugfs unregister fcn becomes unused so we remove it too. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by:
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Colin Ian King authored
Trivial spelling mistake fixes in dev_err message. Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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Charles Keepax authored
No need to use irq_create_mapping (although there is no issue with doing so) when we are only looking up an existing mapping. Just to streamline things a little and make the code a little more clear change some calls from irq_create_mapping to irq_find_mapping. Signed-off-by:
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Viresh Kumar authored
The kernel WARNs and then crashes today if wm8994_device_init() fails after calling devm_regulator_bulk_get(). That happens because there are multiple devices involved here and the order in which managed resources are freed isn't correct. The regulators are added as children of wm8994->dev. Whereas, devm_regulator_bulk_get() receives wm8994->dev as the device, though it gets the same regulators which were added as children of wm8994->dev earlier. During failures, the children are removed first and the core eventually calls regulator_unregister() for them. As regulator_put() was never done for them (opposite of devm_regulator_bulk_get()), the kernel WARNs at WARN_ON(rdev->open_count); And eventually it crashes from debugfs_remove_recursive(). Fix the kernel warnings and crashes by using regulator_bulk_get() instead of devm_regulator_bulk_get() and explicitly freeing the supplies in exit paths. Tested on Exynos 5250, dual core ARM A15 machine. Signed-off-by:
Viresh Kumar <viresh.kumar@linaro.org> Acked-by:
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Kuninori Morimoto authored
mach/hardware.h is needed on C source code side, not header. And struct davinci_vc is duplicated definition. Signed-off-by:
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by:
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Richard Fitzgerald authored
Remove the trailing spaces on the register default lines to stop checkpatch complaining. Signed-off-by:
Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by:
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Lee Jones authored
When building for X86 using COMPILE_TEST we get this warning: ../drivers/mfd/sun4i-gpadc.c: In function ‘sun4i_gpadc_probe’: ../drivers/mfd/sun4i-gpadc.c:110:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Since an integer and a pointer are difference sizes on 64bit architectures. Convert to case to a long instead. Signed-off-by: -
Hans de Goede authored
The i2c subsys does not load modules by compatible, only by i2c-id, with e.g. a modalias of: "i2c:axp209". Populate the axp20x_i2c_id[] table with supported ids, so that module auto-loading will work. Reported-by:
Dennis Gilmore <dennis@ausil.us> Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Acked-by:
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Paul Burton authored
The regmap devicetree binding documentation states that a native-endian property should be supported as well as big-endian & little-endian, however syscon in its duplication of the parsing of these properties omits support for native-endian. Fix this by setting REGMAP_ENDIAN_NATIVE when a native-endian property is found. Cc: linux-mips@linux-mips.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
Paul Burton <paul.burton@imgtec.com> Tested-by:
Maciej W. Rozycki <macro@imgtec.com> Tested-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Jianhong Chen authored
DEV_OFF and DEV_OFF_RST functions for RK808 are designed error that only DEV_OFF_RST can power off supplies. RK818 has been fixed this issue, so that DEV_OFF is used to power off supplies. Signed-off-by:
Jianhong Chen <chenjh@rock-chips.com> Signed-off-by:
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Javier Martinez Canillas authored
If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/mfd/fsl-imx25-tsadc.ko | grep alias alias: platform:mx25-tsadc After this patch: $ modinfo drivers/mfd/fsl-imx25-tsadc.ko | grep alias alias: platform:mx25-tsadc alias: of:N*T*Cfsl,imx25-tsadcC* alias: of:N*T*Cfsl,imx25-tsadc Signed-off-by:
Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by:
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Javier Martinez Canillas authored
If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias After this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias alias: of:N*T*Chisilicon,hi655x-pmicC* alias: of:N*T*Chisilicon,hi655x-pmic Signed-off-by:
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Javier Martinez Canillas authored
The driver only has runtime but no build time dependency with ARCH_U300 || ARCH_U8500 So it can be built for testing purposes if COMPILE_TEST option is enabled. This is useful to have more build coverage and make sure that the driver is not affected by changes that could cause build regressions. Signed-off-by:
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Jean Delvare authored
This driver is meant for Exynos systems so do not offer the option elsewhere unless build-testing. Cc: Inha Song <ideal.song@samsung.com> Cc: Beomho Seo <beomho.seo@samsung.com> Signed-off-by:
Jean Delvare <jdelvare@suse.de> Reviewed-by:
Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by:
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Arnd Bergmann authored
When building with extra warnings enabled, most files including linux/mfd/tps65912.h warn about a static variable defined in the header: include/linux/mfd/tps65912.h:331:35: warning: 'tps65912_regmap_config' defined but not used [-Wunused-const-variable=] We also duplicate the data structure between the i2c and spi front-end drivers. Moving it into the driver code avoids the warning and the duplication. Signed-off-by:
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Viresh Kumar authored
The order in which resources were freed in wm8994_device_exit() isn't correct. The regulators are removed before they are disabled. Fix it by reordering code a bit, which makes it exact opposite of wm8994_device_init() as well. Signed-off-by:
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Viresh Kumar authored
These can fit in a single line (80 columns), don't split lines unnecessarily. Signed-off-by:
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Krzysztof Kozlowski authored
The OF is not a strict build-time dependency so max77620 and max77686 can be compile tested to increase build coverage. Signed-off-by:
Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by:
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Julia Lawall authored
Use the correct function name in one case and adjust a variable name to that of the corresponding function parameter in another case. Issue detected using Coccinelle (http://coccinelle.lip6.fr/) Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by:
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Quentin Schulz authored
The Allwinner SoCs all have an ADC that can also act as a touchscreen controller and a thermal sensor. For now, only the ADC and the thermal sensor drivers are probed by the MFD, the touchscreen controller support will be added later. Signed-off-by:
Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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