#
d2b0680c |
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20-Feb-2024 |
Peter Griffin <peter.griffin@linaro.org> |
mfd: syscon: Call of_node_put() only when of_parse_phandle() takes a ref of_parse_phandle() returns a device_node with refcount incremented, which the callee needs to call of_node_put() on when done. We should only call of_node_put() when the property argument is provided though as otherwise nothing has taken a reference on the node. Fixes: 45330bb43421 ("mfd: syscon: Allow property as NULL in syscon_regmap_lookup_by_phandle") Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Link: https://lore.kernel.org/r/20240220115012.471689-2-peter.griffin@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
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#
41673c66 |
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04-Dec-2023 |
Kunwu Chan <chentao@kylinos.cn> |
mfd: syscon: Fix null pointer dereference in of_syscon_register() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: e15d7f2b81d2 ("mfd: syscon: Use a unique name with regmap_config") Signed-off-by: Kunwu Chan <chentao@kylinos.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20231204092443.2462115-1-chentao@kylinos.cn Signed-off-by: Lee Jones <lee@kernel.org>
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#
7d1e3bd9 |
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04-Jan-2023 |
Jeremy Kerr <jk@codeconstruct.com.au> |
mfd: syscon: Allow reset control for syscon devices Simple syscon devices may require deassertion of a reset signal in order to access their register set. Rather than requiring a custom driver to implement this, we can use the generic "resets" specifiers to link a reset line to the syscon. This change adds an optional reset line to the syscon device description, and deasserts the reset if detected. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/20230105005010.124948-3-jk@codeconstruct.com.au
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#
ca4582c2 |
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08-Oct-2022 |
Jason A. Donenfeld <Jason@zx2c4.com> |
Revert "mfd: syscon: Remove repetition of the regmap_get_val_endian()" This reverts commit 72a95859728a7866522e6633818bebc1c2519b17. It broke reboots on big-endian MIPS and MIPS64 malta QEMU instances, which use the syscon driver. Little-endian is not effected, which means likely it's important to handle regmap_get_val_endian() in this function after all. Fixes: 72a95859728a ("mfd: syscon: Remove repetition of the regmap_get_val_endian()") Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Lee Jones <lee@kernel.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#
72a95859 |
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08-Aug-2022 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
mfd: syscon: Remove repetition of the regmap_get_val_endian() Since the commit 0dbdb76c0ca8 ("regmap: mmio: Parse endianness definitions from DT") regmap MMIO parses DT itsef, no need to repeat this in the caller(s). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/20220808140811.26734-1-andriy.shevchenko@linux.intel.com
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#
7ff7d5ff |
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31-May-2022 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
syscon: Use %pa to format the variable of resource_size_t type Instead of explicit casting, use %pa specifier to format the variable of resource_size_t type. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20220531202404.70282-1-andriy.shevchenko@linux.intel.com
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452d0741 |
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23-Aug-2021 |
Hector Martin <marcan@marcan.st> |
mfd: syscon: Use of_iomap() instead of ioremap() This automatically selects between ioremap() and ioremap_np() on platforms that require it, such as Apple SoCs. Signed-off-by: Hector Martin <marcan@marcan.st> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
56a11881 |
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06-Apr-2021 |
Limeng <Meng.Li@windriver.com> |
mfd: syscon: Free the allocated name field of struct regmap_config The commit 529a1101212a("mfd: syscon: Don't free allocated name for regmap_config") doesn't free the allocated name field of struct regmap_config, but introduce a memory leak. There is another commit 94cc89eb8fa5("regmap: debugfs: Fix handling of name string for debugfs init delays") fixing this debugfs init issue from root cause. With this fixing, the name field in struct regmap_debugfs_node is removed. When initialize debugfs for syscon driver, the name field of struct regmap_config is not used anymore. So, the allocated name field of struct regmap_config is need to be freed directly after regmap initialization to avoid memory leak. Cc: stable@vger.kernel.org Fixes: 529a1101212a("mfd: syscon: Don't free allocated name for regmap_config") Signed-off-by: Meng Li <Meng.Li@windriver.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
86b9d170 |
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10-Nov-2020 |
Enric Balletbo i Serra <enric.balletbo@collabora.com> |
mfd: syscon: Add syscon_regmap_lookup_by_phandle_optional() function. This adds syscon_regmap_lookup_by_phandle_optional() function to get an optional regmap. It behaves the same as syscon_regmap_lookup_by_phandle() except where there is no regmap phandle. In this case, instead of returning -ENODEV, the function returns NULL. This makes error checking simpler when the regmap phandle is optional. Suggested-by: Nicolas Boichat <drinkcat@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
529a1101 |
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03-Sep-2020 |
Marc Zyngier <maz@kernel.org> |
mfd: syscon: Don't free allocated name for regmap_config The name allocated for the regmap_config structure is freed pretty early, right after the registration of the MMIO region. Unfortunately, that doesn't follow the life cycle that debugfs expects, as it can access the name field long after the free has occurred. Move the free on the error path, and keep it forever otherwise. Fixes: e15d7f2b81d2 ("mfd: syscon: Use a unique name with regmap_config") Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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df561f66 |
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23-Aug-2020 |
Gustavo A. R. Silva <gustavoars@kernel.org> |
treewide: Use fallthrough pseudo-keyword Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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#
e15d7f2b |
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27-Jul-2020 |
Suman Anna <s-anna@ti.com> |
mfd: syscon: Use a unique name with regmap_config The DT node full name is currently being used in regmap_config which in turn is used to create the regmap debugfs directories. This name however is not guaranteed to be unique and the regmap debugfs registration can fail in the cases where the syscon nodes have the same unit-address but are present in different DT node hierarchies. Replace this logic using the syscon reg resource address instead (inspired from logic used while creating platform devices) to ensure a unique name is given for each syscon. Signed-off-by: Suman Anna <s-anna@ti.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
6a24f567 |
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21-Jan-2020 |
Orson Zhai <orson.zhai@unisoc.com> |
mfd: syscon: Add arguments support for syscon reference There are a lot of similar global registers being used across multiple SoCs from Unisoc. But most of these registers are assigned with different offset for different SoCs. It is hard to handle all of them in an all-in-one kernel image. Add a helper function to get regmap with arguments where we could put some extra information such as the offset value. Signed-off-by: Orson Zhai <orson.zhai@unisoc.com> Tested-by: Baolin Wang <baolin.wang@unisoc.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
f2a19c5b |
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15-Nov-2019 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
mfd: syscon: Re-use resource_size() to count max_register Instead of open coded variant use resource_size() and replace weird '- 3' to more understandable '- 4'. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
edfaeaf7 |
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12-Nov-2019 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
Revert "mfd: syscon: Set name of regmap_config" This reverts commit 500f9ff518cf55930c670b0e2b8901caf70a7548. The original commit is a duplication of the exactly previously added commit 408d1d570a63 ("mfd: syscon: Set regmap name to DT node name"). Revert the unnecessary later one. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
39233b7c |
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24-Jul-2019 |
Paul Cercueil <paul@crapouillou.net> |
mfd/syscon: Add device_node_to_regmap() device_node_to_regmap() is exactly like syscon_node_to_regmap(), but it does not check that the node is compatible with "syscon", and won't attach the first clock it finds to the regmap. The rationale behind this, is that one device node with a standard compatible string "foo,bar" can be covered by multiple drivers sharing a regmap, or by a single driver doing all the job without a regmap, but these are implementation details which shouldn't reflect on the devicetree. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Lee Jones <lee.jones@linaro.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: od@zcrc.me Cc: Mathieu Malaterre <malat@debian.org>
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#
29d14b66 |
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14-Jun-2019 |
Suzuki K Poulose <suzuki.poulose@arm.com> |
mfd: Remove unused helper syscon_regmap_lookup_by_pdevname Nobody uses the exported helper syscon_regmap_lookup_by_pdevname, to lookup a device by name. Let us remove it. Suggested-by: Arnd Bergman <arnd@arnd.de> Cc: Arnd Bergman <arnd@arnd.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
2874c5fd |
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27-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 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 as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
a00406b7 |
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12-Dec-2018 |
Fabrice Gasnier <fabrice.gasnier@st.com> |
mfd: syscon: Add optional clock support Some system control registers need to be clocked, so the registers can be accessed. Add an optional clock and attach it to regmap. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
1345da73 |
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13-Jan-2019 |
Paul Gortmaker <paul.gortmaker@windriver.com> |
mfd: syscon: Make it explicitly non-modular The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config MFD_SYSCON drivers/mfd/Kconfig: bool "System Controller Register R/W Based on Regmap" ...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 is already contained at the top of the file in the comments. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
500f9ff5 |
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12-Mar-2018 |
Jeffy Chen <jeffy.chen@rock-chips.com> |
mfd: syscon: Set name of regmap_config We are now allowing to register debugfs without a valid device, and not having a valid name will end up using "dummy*" to create debugfs dir. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
408d1d57 |
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23-Jan-2018 |
David Lechner <david@lechnology.com> |
mfd: syscon: Set regmap name to DT node name This sets the regmap name to the device tree node name. This is useful for debugging. Signed-off-by: David Lechner <david@lechnology.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
3bafc09e |
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24-Dec-2017 |
Baolin Wang <baolin.wang@linaro.org> |
mfd: syscon: Add hardware spinlock support Some system control registers need hardware spinlock to synchronize between the multiple subsystems, so we should add hardware spinlock support for syscon. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
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#
8e52b61c |
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14-Oct-2016 |
Paul Burton <paulburton@kernel.org> |
mfd: syscon: Support native-endian regmaps 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: Lee Jones <lee.jones@linaro.org>
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#
d29ccdb3 |
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14-Oct-2016 |
Paul Burton <paulburton@kernel.org> |
mfd: syscon: Support native-endian regmaps 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. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
c131045d |
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29-Jan-2016 |
Philipp Zabel <p.zabel@pengutronix.de> |
mfd: syscon: Make syscon_regmap_config const syscon_regmap_config can be made const if syscon_probe() creates a local copy on the stack, just like syscon_register() does. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
ca668f0e |
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29-Jan-2016 |
Philipp Zabel <p.zabel@pengutronix.de> |
mfd: syscon: Set regmap max_register in of_syscon_register Determine the regmap max_register configuration from the io resource size and the reg-io-width device tree property. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
db2fb60c |
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30-Nov-2015 |
Damien Riegel <damien.riegel@savoirfairelinux.com> |
mfd: syscon: Add a DT property to set value width Currently syscon has a fixed configuration of 32 bits for register and values widths. In some cases, it would be desirable to be able to customize the value width. For example, certain boards (like the ones manufactured by Technologic Systems) have a FPGA that is memory-mapped, but its registers are only 16-bit wide. This patch adds an optional "reg-io-width" DT binding for syscon that allows to change the width for the data bus (i.e. val_bits). If this property is provided, it will also set the register stride to reg-io-width's value. If not provided, the default configuration is used. Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
bdb0066d |
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30-Sep-2014 |
Pankaj Dubey <pankaj.dubey@samsung.com> |
mfd: syscon: Decouple syscon interface from platform devices Currently a syscon entity can be only registered directly through a platform device that binds to a dedicated syscon driver. However in certain use cases it is desirable to make a device used with another driver a syscon interface provider. For example, certain SoCs (e.g. Exynos) contain system controller blocks which perform various functions such as power domain control, CPU power management, low power mode control, but in addition contain certain IP integration glue, such as various signal masks, coprocessor power control, etc. In such case, there is a need to have a dedicated driver for such system controller but also share registers with other drivers. The latter is where the syscon interface is helpful. In case of DT based platforms, this patch decouples syscon object from syscon platform driver, and allows to create syscon objects first time when it is required by calling of syscon_regmap_lookup_by APIs and keep a list of such syscon objects along with syscon provider device_nodes and regmap handles. For non-DT based platforms, this patch keeps syscon platform driver structure so that syscon can be probed and such non-DT based drivers can use syscon_regmap_lookup_by_pdev API and access regmap handles. Once all users of "syscon_regmap_lookup_by_pdev" migrated to DT based, we can completely remove platform driver of syscon, and keep only helper functions to get regmap handles. Suggested-by: Arnd Bergmann <arnd@arndb.de> Suggested-by: Tomasz Figa <tomasz.figa@gmail.com> Tested-by: Vivek Gautam <gautam.vivek@samsung.com> Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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78a83541 |
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20-Oct-2014 |
Wolfram Sang <wsa@kernel.org> |
mfd: drop owner assignment from platform_drivers A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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#
45330bb4 |
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29-Apr-2014 |
Pankaj Dubey <pankaj.dubey@samsung.com> |
mfd: syscon: Allow property as NULL in syscon_regmap_lookup_by_phandle If we pass syscon device node itself as first parameter to this function there is no need to parse and find syscon device node. So by allowing "property" parameter as NULL allow syscon_regmap_lookup_by_phandle to consider passed argument "np" itself as a syscon device node "syscon_np". This will help us in avoiding addition of "syscon" property in a device node which points back to same device node in device tree. Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
29f9b6cf |
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12-Feb-2014 |
Pawel Moll <pawel.moll@arm.com> |
mfd: syscon: Add platform data with a regmap config name Define syscon platform data structure that can be used to define a regmap config name. This is particularly useful in the regmap debugfs when there is more than one syscon device registered, to distinguish the register blocks. Signed-off-by: Pawel Moll <pawel.moll@arm.com> Acked-by: Lee Jones <lee.jones@linaro.org>
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#
416dc642 |
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10-Mar-2014 |
Alexander Shiyan <shc_work@mail.ru> |
mfd: syscon: Simplify syscon_match_pdevname() Since we do not want to add new platform IDs for the syscon driver, there is no reason to iterate over IDs. This patch simplifies syscon_match_pdevname() function to remove such iteration. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
38d8974e |
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21-Feb-2014 |
Alexander Shiyan <shc_work@mail.ru> |
mfd: syscon: Move diagnostic messages to dev_dbg() This patch moves diagnostic messages used for debugging purposes to dev_dbg(). Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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#
5104d265 |
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18-Jul-2013 |
Alexander Shiyan <shc_work@mail.ru> |
ARM: clps711x: Remove the special name for the syscon driver This is a partial revert of the patch: "6597619f9c ARM: clps711x: Add support for SYSCON driver". No reason to make SYSCON driver name unique to that processor. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Olof Johansson <olof@lixom.net>
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#
f10111cc |
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14-Jul-2013 |
Alexander Shiyan <shc_work@mail.ru> |
mfd: syscon: Remove "base" field from private driver data During a move to use managed resources, the .remove function all was deemed superfluous which subsequently led to its deletion. As there are no remaining users of the stored 'base' address we only have to use it locally during probe. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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#
6597619f |
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13-May-2013 |
Alexander Shiyan <shc_work@mail.ru> |
ARM: clps711x: Add support for SYSCON driver This patch adds support for SYSCON driver for CLPS711X targets. At this time there are no users for this driver, but it is will be used as start point to use in CLPS711X drivers and remove <mach/xx> dependencies. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Olof Johansson <olof@lixom.net>
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#
daba96d6 |
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09-Apr-2013 |
Alexander Shiyan <shc_work@mail.ru> |
mfd: syscon: Fix warnings when printing resource_size_t Gets rid of these warnings when compile module for 64 bit targets: CC drivers/mfd/syscon.o drivers/mfd/syscon.c: In function 'syscon_probe': drivers/mfd/syscon.c:155:2: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'resource_size_t' [-Wformat] drivers/mfd/syscon.c:155:2: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat] Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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#
5ab3a89a |
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13-Mar-2013 |
Alexander Shiyan <shc_work@mail.ru> |
mfd: syscon: Add non-DT support This patch allow using syscon driver from the platform data, i.e. possibility using driver on systems without oftree support. For search syscon device from the client drivers, "syscon_regmap_lookup_by_pdevname" function was added. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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ed21465a |
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13-Mar-2013 |
Alexander Shiyan <shc_work@mail.ru> |
mfd: syscon: Removed unneeded field "dev" from private driver structure Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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75177dee |
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11-Feb-2013 |
Fabio Estevam <fabio.estevam@freescale.com> |
mfd: syscon: Fix sparse warning Fix the following sparse warnings: drivers/mfd/syscon.c:40:15: warning: symbol 'syscon_node_to_regmap' was not declared. Should it be static? drivers/mfd/syscon.c:56:15: warning: symbol 'syscon_regmap_lookup_by_compatible' was not declared. Should it be static? drivers/mfd/syscon.c:72:15: warning: symbol 'syscon_regmap_lookup_by_phandle' was not declared. Should it be static? Cc: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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4740f73f |
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19-Nov-2012 |
Bill Pemberton <wfp5p@virginia.edu> |
mfd: remove use of __devexit CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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f791be49 |
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19-Nov-2012 |
Bill Pemberton <wfp5p@virginia.edu> |
mfd: remove use of __devinit CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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84449216 |
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19-Nov-2012 |
Bill Pemberton <wfp5p@virginia.edu> |
mfd: remove use of __devexit_p CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
87d68730 |
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04-Sep-2012 |
Dong Aisheng <dong.aisheng@linaro.org> |
mfd: Add syscon driver based on regmap Add regmap based syscon driver. This is usually used for access misc bits in registers which does not belong to a specific module, for example, IMX IOMUXC GPR and ANATOP. With this driver, client can use generic regmap API to access registers which are registered into syscon. Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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