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path: root/drivers/pinctrl/sprd
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2020-03-27pinctrl: sprd: Add pin high impedance mode supportLinhua Xu
For Spreadtrum pin controller, it will be the high impedance mode if disable input and output mode for a pin. Thus add PIN_CONFIG_BIAS_HIGH_IMPEDANCE configuration to support it. Signed-off-by: Linhua Xu <linhua.xu@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Link: https://lore.kernel.org/r/3bdac4c2673b54c940e511f3fa569ee33b87b8d5.1585124562.git.baolin.wang7@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-03-27pinctrl: sprd: Use the correct pin output configurationLinhua Xu
The Spreadtrum pin controller did not supply registers to set high level or low level for output mode, instead we should let the pin controller current configuration drive values on the line. So we should use the PIN_CONFIG_OUTPUT_ENABLE configuration to enable or disable the output mode. [Baolin Wang changes the commit message] Fixes: 41d32cfce1ae ("pinctrl: sprd: Add Spreadtrum pin control driver") Signed-off-by: Linhua Xu <linhua.xu@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Link: https://lore.kernel.org/r/8a6f91b49c17beb218e46b23084f59a7c7260f86.1585124562.git.baolin.wang7@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-03-03pinctrl: sprd: Fix the kconfig warningBaolin Wang
On X86 plaform, if the CONFIG_OF is not selected, and set the CONFIG_SPRD_SC9860 as 'm', that will cause below waring: WARNING: unmet direct dependencies detected for PINCTRL_SPRD Depends on [n]: PINCTRL [=y] && OF [=n] && (ARCH_SPRD || COMPILE_TEST [=y]) Selected by [m]: - PINCTRL_SPRD_SC9860 [=m] && PINCTRL [=y] Thus move the configuration dependency under CONFIG_PINCTRL_SPRD_SC9860 to fix the warning. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Link: https://lore.kernel.org/r/eeb12d7843fb06f80e19f98eb25711231c3b610f.1583205650.git.baolin.wang7@gmail.com Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-02-29pinctrl: sprd: Allow the SPRD pinctrl driver building into a moduleBaolin Wang
Change the config to 'tristate' and export some symbols needed by modules to allow the Spreadtrum pinctrl driver building into a module. Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Link: https://lore.kernel.org/r/d7239f3c7379e402f665fc8927f635ac56691380.1582776447.git.baolin.wang7@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-10-16pinctrl: sprd: Add CM4 sleep mode supportBruce Chen
For the new Spreadtrum pin controller, it expands 6bits to describe the pin sleep mode with adding one CM4_SLEEP mode, which means the pin sleep related configuration will be loaded automatically by hardware when the CM4 system goes into deep sleep mode. Signed-off-by: Bruce Chen <bruce.chen@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Link: https://lore.kernel.org/r/8ae52263b0625c416461821c457e6789b67170b6.1571228451.git.baolin.wang@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-10-16pinctrl: sprd: Add PIN_CONFIG_BIAS_DISABLE configuration supportBaolin Wang
Add PIN_CONFIG_BIAS_DISABLE configuration support for Spreadtrum pin controller. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Link: https://lore.kernel.org/r/66d373ddee61e8be2fcef49aac5e80bd58f14915.1570596606.git.baolin.wang@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-08-10pinctrl: sprd: Add of_node_put() before return to prevent memory leakNishka Dasgupta
Each iteration of for_each_child_of_node puts the previous node, but in the case of a return from the middle of the loop, there is no put, thus causing a memory leak. Hence add an of_node_put before the return in two places. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> Link: https://lore.kernel.org/r/20190808074329.15579-1-nishkadg.linux@gmail.com Reviewed-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-08-05pinctrl: sprd: Combine the condition of MISC_PIN and COMMON_PINBaolin Wang
Since the follow-up pin design on Spreadtrum platform has some changes, some configuration of MISC_PIN moved to COMMON_PIN. To support current pin design and keep backward compatibility, we should combine the condition of MISC_PIN and COMMON_PIN to configure an individual pin. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Link: https://lore.kernel.org/r/17af5e761e0515d288a7ea4078ac9aa4a82a7a4e.1564048446.git.baolin.wang@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-08-05pinctrl: sprd: Change to use devm_platform_ioremap_resource()Baolin Wang
The devm_platform_ioremap_resource() function wraps platform_get_resource() and devm_ioremap_resource() in a single helper, thus use it to simplify the code. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Link: https://lore.kernel.org/r/ff410d312ed0047b5a36e5113daf7df78bcf1aa8.1564048446.git.baolin.wang@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-08-03pinctrl: sprd: Fix platform_no_drv_owner.cocci warningsYueHaibing
Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: YueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20190719032414.85369-1-yuehaibing@huawei.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174Thomas Gleixner
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09pinctrl: sprd: Use define directive for sprd_pinconf_params valuesNathan Chancellor
Clang warns when one enumerated type is implicitly converted to another: drivers/pinctrl/sprd/pinctrl-sprd.c:845:19: warning: implicit conversion from enumeration type 'enum sprd_pinconf_params' to different enumeration type 'enum pin_config_param' [-Wenum-conversion] {"sprd,control", SPRD_PIN_CONFIG_CONTROL, 0}, ~ ^~~~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/sprd/pinctrl-sprd.c:846:22: warning: implicit conversion from enumeration type 'enum sprd_pinconf_params' to different enumeration type 'enum pin_config_param' [-Wenum-conversion] {"sprd,sleep-mode", SPRD_PIN_CONFIG_SLEEP_MODE, 0}, ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~ It is expected that pinctrl drivers can extend pin_config_param because of the gap between PIN_CONFIG_END and PIN_CONFIG_MAX so this conversion isn't an issue. Most drivers that take advantage of this define the PIN_CONFIG variables as constants, rather than enumerated values. Do the same thing here so that Clang no longer warns. Link: https://github.com/ClangBuiltLinux/linux/issues/138 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-09-28pinctrl: sprd: Move DT parsing before registering pinctrl deviceBaolin Wang
It will be failed to select default or sleep state for pins hogged by the pin controller device, since we hadn't parsed pins configuration in device tree before registering the pin controller device. Thus we should move the device tree parsing function before registering the pin controller device. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-07-07headers: separate linux/mod_devicetable.h from linux/platform_device.hRandy Dunlap
At over 4000 #includes, <linux/platform_device.h> is the 9th most #included header file in the Linux kernel. It does not need <linux/mod_devicetable.h>, so drop that header and explicitly add <linux/mod_devicetable.h> to source files that need it. 4146 #include <linux/platform_device.h> After this patch, there are 225 files that use <linux/mod_devicetable.h>, for a reduction of around 3900 times that <linux/mod_devicetable.h> does not have to be read & parsed. 225 #include <linux/mod_devicetable.h> This patch was build-tested on 20 different arch-es. It also makes these drivers SubmitChecklist#1 compliant. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <lkp@intel.com> # drivers/media/platform/vimc/ Reported-by: kbuild test robot <lkp@intel.com> # drivers/pinctrl/pinctrl-u300.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-12treewide: devm_kzalloc() -> devm_kcalloc()Kees Cook
The devm_kzalloc() function has a 2-factor argument form, devm_kcalloc(). This patch replaces cases of: devm_kzalloc(handle, a * b, gfp) with: devm_kcalloc(handle, a * b, gfp) as well as handling cases of: devm_kzalloc(handle, a * b * c, gfp) with: devm_kzalloc(handle, array3_size(a, b, c), gfp) as it's slightly less ugly than: devm_kcalloc(handle, array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: devm_kzalloc(handle, 4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. Some manual whitespace fixes were needed in this patch, as Coccinelle really liked to write "=devm_kcalloc..." instead of "= devm_kcalloc...". The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ expression HANDLE; type TYPE; expression THING, E; @@ ( devm_kzalloc(HANDLE, - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | devm_kzalloc(HANDLE, - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression HANDLE; expression COUNT; typedef u8; typedef __u8; @@ ( devm_kzalloc(HANDLE, - sizeof(u8) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(__u8) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(char) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(unsigned char) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(u8) * COUNT + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(__u8) * COUNT + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(char) * COUNT + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ expression HANDLE; type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ expression HANDLE; identifier SIZE, COUNT; @@ - devm_kzalloc + devm_kcalloc (HANDLE, - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression HANDLE; expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( devm_kzalloc(HANDLE, - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression HANDLE; expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ expression HANDLE; identifier STRIDE, SIZE, COUNT; @@ ( devm_kzalloc(HANDLE, - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression HANDLE; expression E1, E2, E3; constant C1, C2, C3; @@ ( devm_kzalloc(HANDLE, C1 * C2 * C3, ...) | devm_kzalloc(HANDLE, - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | devm_kzalloc(HANDLE, - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | devm_kzalloc(HANDLE, - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | devm_kzalloc(HANDLE, - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression HANDLE; expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( devm_kzalloc(HANDLE, sizeof(THING) * C2, ...) | devm_kzalloc(HANDLE, sizeof(TYPE) * C2, ...) | devm_kzalloc(HANDLE, C1 * C2 * C3, ...) | devm_kzalloc(HANDLE, C1 * C2, ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - (E1) * E2 + E1, E2 , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - (E1) * (E2) + E1, E2 , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-01-16pinctrl: sprd: Use seq_putc() in sprd_pinconf_group_dbg_show()Markus Elfring
A single character (line break) should be put into a sequence. Thus use the corresponding function "seq_putc". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-09-12pinctrl: sprd: fix off by one bugsDan Carpenter
info->groups[] has info->ngroups elements so these comparisons should be >= instead of >. Fixes: 41d32cfce1ae ("pinctrl: sprd: Add Spreadtrum pin control driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-09-12pinctrl: sprd: check for allocation failureDan Carpenter
devm_pinctrl_get() could fail with ERR_PTR(-ENOMEM) so I have added a check for that. I also reversed the other IS_ERR() test because it was a little confusing to test one way and then the opposite a couple lines later. Fixes: 41d32cfce1ae ("pinctrl: sprd: Add Spreadtrum pin control driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-09-12pinctrl: sprd: Restrict PINCTRL_SPRD to ARCH_SPRD or COMPILE_TESTGeert Uytterhoeven
The Spreadtrum pinctrl drivers are only useful when building for a Spreadtrum platform. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-09-12pinctrl: sprd: fix build errors and dependenciesRandy Dunlap
Fix build errors when CONFIG_OF is not enabled. Also, the pinctrl-sprd-sc9860 driver uses functions from the pinctrl-sprd driver, so the former should depend on the latter driver. ../drivers/pinctrl/sprd/pinctrl-sprd.c: In function 'sprd_dt_node_to_map': ../drivers/pinctrl/sprd/pinctrl-sprd.c:290:2: error: implicit declaration of function 'pinconf_generic_parse_dt_config' [-Werror=implicit-function-declaration] ret = pinconf_generic_parse_dt_config(np, pctldev, &configs, ^ ../drivers/pinctrl/sprd/pinctrl-sprd.c: At top level: ../drivers/pinctrl/sprd/pinctrl-sprd.c:844:44: error: array type has incomplete element type static const struct pinconf_generic_params sprd_dt_params[] = { ^ Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Baolin Wang <baolin.wang@spreadtrum.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: linux-gpio@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-09-12pinctrl: sprd: make three local functions staticColin Ian King
The functions sprd_pmx_get_function_count, sprd_pmx_get_function_name and sprd_pmx_get_function_groups are local to the source and do not need to be in global scope, so make them static. Cleans up sparse warnings: "symbol 'sprd_pmx_get_function_count' was not declared. Should it be static?" "symbol 'sprd_pmx_get_function_name' was not declared. Should it be static?" "symbol 'sprd_pmx_get_function_groups' was not declared. Should it be static?" Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-08-31pinctrl: sprd: Add Spreadtrum pin control driverBaolin Wang
This patch adds the pin control driver for Spreadtrum SC9860 platform. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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