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path: root/drivers/rtc
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2020-01-09MIPS: SGI-IP27: fix readb/writeb addressingThomas Bogendoerfer
Our chosen byte swapping, which is what firmware already uses, is to do readl/writel by normal lw/sw intructions (data invariance). This also means we need to mangle addresses for u8 and u16 accesses. The mangling for 16bit has been done aready, but 8bit one was missing. Correcting this causes different addresses for accesses to the SuperIO and local bus of the IOC3 chip. This is fixed by changing byte order in ioc3 and m48rtc_rtc structs. Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: David S. Miller <davem@davemloft.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org Cc: linux-rtc@vger.kernel.org
2020-01-07cros_ec: treewide: Remove 'include/linux/mfd/cros_ec.h'Enric Balletbo i Serra
This header file now only includes the cros_ec_dev struct, however, is the 'include/linux/platform_data/cros_ec_proto.h' who contains the definition of all the Chrome OS EC related structs. There is no reason to have a separate include for this struct so move to the place where other structs are defined. That way, we can remove the include itself, but also simplify the common pattern #include <linux/mfd/cros_ec.h> #include <linux/platform_data/cros_ec_proto.h> for a single include #include <linux/platform_data/cros_ec_proto.h> The changes to remove the cros_ec.h include were generated with the following shell script: git grep -l "<linux/mfd/cros_ec.h>" | xargs sed -i '/<linux\/mfd\/cros_ec.h>/d' Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Sebastian Reichel <sre@kernel.org> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
2020-01-04rtc: cmos: Revert "rtc: Fix the AltCentury value on AMD/Hygon platform"Alexandre Belloni
There are multiple reports of this patch breaking RTC time setting for AMD platforms. This reverts commit 7ad295d5196a58c22abecef62dd4f99e2f86e831. Cc: Jinke Fan <fanjinke@hygon.cn> Link: https://lore.kernel.org/r/CABXGCsMLob0DC25JS8wwAYydnDoHBSoMh2_YLPfqm3TTvDE-Zw@mail.gmail.com Fixes: 7ad295d5196a ("rtc: Fix the AltCentury value on AMD/Hygon platform") Link: https://lore.kernel.org/r/20200104043110.707810-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: pcf8563: Use BITNobuhiro Iwamatsu
Replace (1 << ...) with BIT(). CC: Alessandro Zummo <a.zummo@towertech.it> CC: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Link: https://lore.kernel.org/r/20191218082553.3309554-1-iwamatsu@nigauri.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: moxart: Convert to SPDX identifierNobuhiro Iwamatsu
Use SPDX-License-Identifier instead of a verbose license text. CC: Alessandro Zummo <a.zummo@towertech.it> CC: Alexandre Belloni <alexandre.belloni@bootlin.com> CC: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Link: https://lore.kernel.org/r/20191218082836.3309808-1-iwamatsu@nigauri.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: ds1343: Remove unused struct spi_device in struct ds1343_privNobuhiro Iwamatsu
struct spi_device in struct ds1343_priv is not used, remove it. CC: Alessandro Zummo <a.zummo@towertech.it> CC: Alexandre Belloni <alexandre.belloni@bootlin.com> CC: Raghavendra Chandra Ganiga <ravi23ganiga@gmail.com> CC: Ankur Srivastava <sankurece@gmail.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Link: https://lore.kernel.org/r/20191218081917.3308211-1-iwamatsu@nigauri.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: rx8025: Remove struct i2c_client from struct rx8025_dataNobuhiro Iwamatsu
struct i2c_client can be referenced from the device structure, so this doesn't need to have it in struct rx8025_data. Remove struct i2c_client from struct rx8025_data. CC: Alessandro Zummo <a.zummo@towertech.it> CC: Alexandre Belloni <alexandre.belloni@bootlin.com> CC: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Link: https://lore.kernel.org/r/20191218081624.3307752-1-iwamatsu@nigauri.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: hym8563: Read the valid flag directly instead of caching itPaul Kocialkowski
The RTC has a valid bit in the seconds register that indicates whether power was lost since the pevious time set. This bit is currently read once at probe time, cached and updated with set_time. Howeever, caching the bit may prevent detecting power loss at runtime (which can happen if the RTC's supply is distinct from the the platform's). Writing the seconds register when setting time will clear the bit, so there should be no downside in reading the bit directly instead of caching it. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Link: https://lore.kernel.org/r/20191212153111.966923-2-paul.kocialkowski@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: hym8563: Return -EINVAL if the time is known to be invalidPaul Kocialkowski
The current code returns -EPERM when the voltage loss bit is set. Since the bit indicates that the time value is not valid, return -EINVAL instead, which is the appropriate error code for this situation. Fixes: dcaf03849352 ("rtc: add hym8563 rtc-driver") Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Link: https://lore.kernel.org/r/20191212153111.966923-1-paul.kocialkowski@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: rx8010: Fix return code for rx8010_probeNobuhiro Iwamatsu
In the current code, the return value of devm_request_threaded_irq may be returned. This fixes it. CC: Alessandro Zummo <a.zummo@towertech.it> CC: Alexandre Belloni <alexandre.belloni@bootlin.com> CC: Akshay Bhat <akshay.bhat@timesys.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Link: https://lore.kernel.org/r/20191217121231.2698817-2-iwamatsu@nigauri.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: omap: Remove unneeded semicolonzhengbin
Fixes coccicheck warning: drivers/rtc/rtc-omap.c:619:2-3: Unneeded semicolon Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: zhengbin <zhengbin13@huawei.com> Link: https://lore.kernel.org/r/1576466353-45384-1-git-send-email-zhengbin13@huawei.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: asm9260: add the missed check for devm_clk_getChuhong Yuan
The driver misses a check for devm_clk_get(). Add the check to fix it. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Link: https://lore.kernel.org/r/20191214074528.16806-1-hslester96@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: rv3029: remove useless error messagesAlexandre Belloni
Remove redundant messages or messages that would not add any value because the information is already conveyed properly using errno. Link: https://lore.kernel.org/r/20191223100108.1083078-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: rv3029: annotate init and exit functionsAlexandre Belloni
rv30{2,4}9_register_driver and rv30{2,4}9_unregister_driver are only called from the init and exit functions of the module. Annotate them properly. Link: https://lore.kernel.org/r/20191223101430.1091572-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: rv3029: drop deprecated compatbilesAlexandre Belloni
The compatibles have been marked obsolete for more that 2 years, drop them now. Note that this doesn't currently prevent the driver from probing because the i2c core will still match using the i2c_device_id table. Link: https://lore.kernel.org/r/20191212230239.65784-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-23rtc: rv3029: add nvram supportAlexandre Belloni
Export the 8 byte RAM using nvmem. Link: https://lore.kernel.org/r/20191214221022.622482-17-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: let the core handle rtc rangeAlexandre Belloni
Despite the comment, the RV3029 uses a 7bit BCD register for the year, making 2079 the last supported year. Link: https://lore.kernel.org/r/20191214221022.622482-14-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: convert to devm_rtc_allocate_deviceAlexandre Belloni
This allows further improvement of the driver. Link: https://lore.kernel.org/r/20191214221022.622482-13-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: correctly handle PON and VLOW2Alexandre Belloni
In case the data is invalid (PON or VLOW2 are set in STATUS, explicitly tell userspace that the time is invalid. Only remove VLOW2 when setting a new valid time. Link: https://lore.kernel.org/r/20191214221022.622482-12-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: add RTC_VL_READ and RTC_VL_CLEAR supportAlexandre Belloni
The RV3029 can report three different conditions: power on, voltage dropped and data is lost and voltage is low and temperature compensation has stopped. The first two conditions amount to the same status, the RTC data is invalid. VLOW1 has to be cleared manually to resume temperature compensation, this is achieved using RTC_VL_CLEAR. Link: https://lore.kernel.org/r/20191214221022.622482-11-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: drop rv3029_read_regs and rv3029_write_regsAlexandre Belloni
rv3029_read_regs and rv3029_write_regs are simply calling regmap_bulk_{read,write}. Drop them and call regmap_{,bulk}_{read,write} as appropriate. Link: https://lore.kernel.org/r/20191214221022.622482-10-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: simplify rv3029_set_alarmAlexandre Belloni
It is unecessay to test alarm->enabled before calling rv3029_alarm_irq_enable. Link: https://lore.kernel.org/r/20191214221022.622482-9-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: simplify rv3029_alarm_irq_enableAlexandre Belloni
Use regmap_update_bits instead of open coding it in rv3029_alarm_irq_enable. Link: https://lore.kernel.org/r/20191214221022.622482-8-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: get rid of rv3029_get_srAlexandre Belloni
There is no point in having 2 indirections before calling regmap_read, especially since rv3029_get_sr also changes the return value without any good reason. Call regmap_read directly. Link: https://lore.kernel.org/r/20191214221022.622482-7-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: avoid reading the status register uselesslyAlexandre Belloni
RV3029_STATUS is read in multiple location but its value is never used afterwards. Avoid this register access when not necessary. Link: https://lore.kernel.org/r/20191214221022.622482-6-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: remove race condition when update STATUSAlexandre Belloni
There is no lock preventing concurrent access to the status register from bth the rtc subsystem and the hwmon subsystem. Use regmap_update_bits to ensure updating RV3029_STATUS is properly locked. Link: https://lore.kernel.org/r/20191214221022.622482-5-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: remove open coded regmap_update_bitsAlexandre Belloni
rv3029_update_bits open codes regmap_update_bits and forgets to properly lock the register range while doing so. Use regmap_update_bits instead. Link: https://lore.kernel.org/r/20191214221022.622482-4-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: let regmap validate the register rangesAlexandre Belloni
Instead of trying to validate the accessed registers in custom functions, let regmap handle that. This allows to defines all the holes in the register range and gives access to the regmap debugfs register dump. Link: https://lore.kernel.org/r/20191214221022.622482-3-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3029: use proper name for the driverAlexandre Belloni
The correct name for the rtc is rv3029. c2 is actually the package form factor rv3029c3 exists and simply has a smaller form factor. Link: https://lore.kernel.org/r/20191214221022.622482-2-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rx8010: return meaningful value for RTC_VL_READAlexandre Belloni
RX8010_FLAG_VLF means the voltage dropped too low and data has been lost. Link: https://lore.kernel.org/r/20191214220259.621996-18-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rx8010: remove RTC_VL_CLR handlingAlexandre Belloni
Remove RTC_VL_CLR handling because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on. Link: https://lore.kernel.org/r/20191214220259.621996-17-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv8803: return meaningful value for RTC_VL_READAlexandre Belloni
RV8803_FLAG_V1F means the voltage is too low to keep the temperature compensation running and the accuracy of the RTC is affected. RV8803_FLAG_V2F means the voltage dropped so low that data is now invalid. Link: https://lore.kernel.org/r/20191214220259.621996-16-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv8803: avoid clearing RV8803_FLAG_V2F in RTC_VL_CLRAlexandre Belloni
Stop clearing RV8803_FLAG_V2F in RTC_VL_CLR because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on. Link: https://lore.kernel.org/r/20191214220259.621996-15-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3028: return meaningful value for RTC_VL_READAlexandre Belloni
RV3028_STATUS_PORF means the voltage dropped too low and data has been lost. Link: https://lore.kernel.org/r/20191214220259.621996-14-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: rv3028: remove RTC_VL_CLR handlingAlexandre Belloni
Remove RTC_VL_CLR handling because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on. Link: https://lore.kernel.org/r/20191214220259.621996-13-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf85063: return meaningful value for RTC_VL_READAlexandre Belloni
PCF85063_REG_SC_OS means the voltage dropped too low and data has been lost. Link: https://lore.kernel.org/r/20191214220259.621996-12-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf85063: remove RTC_VL_CLR handlingAlexandre Belloni
Remove RTC_VL_CLR handling because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on. Link: https://lore.kernel.org/r/20191214220259.621996-11-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf8563: return meaningful value for RTC_VL_READAlexandre Belloni
PCF8563_SC_LV means the voltage dropped too low and data has been lost. Link: https://lore.kernel.org/r/20191214220259.621996-10-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf8563: stop caching voltage_lowAlexandre Belloni
voltage_low is only updated when reading the time, this means that using RTC_VL_READ will miss the VL flag if the time has not been read before using the ioctl. Always read the status from the hardware. Link: https://lore.kernel.org/r/20191214220259.621996-9-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf8563: remove conditional compilationAlexandre Belloni
Always compile pcf8563_rtc_ioctl as we are sure that CONFIG_RTC_INTF_DEV is selected on actual kernel configurations. Link: https://lore.kernel.org/r/20191214220259.621996-8-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf8563: remove RTC_VL_CLR handlingAlexandre Belloni
Remove RTC_VL_CLR handling because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on. Link: https://lore.kernel.org/r/20191214220259.621996-7-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf8523: return meaningful value for RTC_VL_READAlexandre Belloni
REG_CONTROL3_BLF indicates the battery is low and needs to be replaced soon. Link: https://lore.kernel.org/r/20191214220259.621996-6-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: pcf2127: return meaningful value for RTC_VL_READAlexandre Belloni
PCF2127_BIT_CTRL3_BLF indicates the battery is low and needs to be replaced soon. Link: https://lore.kernel.org/r/20191214220259.621996-5-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-18rtc: abx80x: return meaningful value for RTC_VL_READAlexandre Belloni
ABX8XX_STATUS_BLF indicates the battery is low and needs to be replaced soon. Link: https://lore.kernel.org/r/20191214220259.621996-4-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-11rtc: mt6397: fix alarm register overwriteRan Bi
Alarm registers high byte was reserved for other functions. This add mask in alarm registers operation functions. This also fix error condition in interrupt handler. Fixes: fc2979118f3f ("rtc: mediatek: Add MT6397 RTC driver") Signed-off-by: Ran Bi <ran.bi@mediatek.com> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com> Link: https://lore.kernel.org/r/1576057435-3561-6-git-send-email-hsin-hsiung.wang@mediatek.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-10rtc: ds1343: Do not hardcode SPI mode flagsLinus Walleij
The current use of mode flags to us SPI_MODE_3 and SPI_CS_HIGH is fragile: it overwrites anything already assigned by the SPI core. Change it thusly: - Just |= the SPI_MODE_3 so we keep other flags - Assign ^= SPI_CS_HIGH since we might be active high already, and that is usually the case with GPIOs used for chip select, even if they are in practice active low. Add a comment clarifying why ^= SPI_CS_HIGH is the right choice here. Reported-by: Mark Brown <broonie@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191204225731.20306-1-linus.walleij@linaro.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-10rtc: zynqmp: re-use rtc_time64_to_tm operationJean-Francois Dagenais
This allows a subsequent commit to spin_unlock sooner. Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20191128015613.10003-1-jeff.dagenais@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-10rtc: sun6i: Add support for RTC clocks on R40Chen-Yu Tsai
When support for the R40 in the rtc-sun6i driver was split out for a separate compatible string, only the RTC half was covered, and not the clock half. Unfortunately this results in the whole driver not working, as the RTC half expects the clock half to have been initialized. Add support for the clock part as well. The clock part is like the H3, but does not need to export the internal oscillator, nor does it have a gateable LOSC external output. This fixes issues with WiFi and Bluetooth not working on the BPI M2U. Fixes: d6624cc75021 ("rtc: sun6i: Add R40 compatible") Cc: <stable@vger.kernel.org> # 5.3.x Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20191205085054.6049-1-wens@kernel.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-10rtc: stm32: add missed clk_disable_unprepare in error path of resumeChuhong Yuan
The resume() forgets to call clk_disable_unprepare() when failed. Add the missed call to fix it. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Reviewed-by: Amelie Delaunay <amelie.delaunay@st.com> Link: https://lore.kernel.org/r/20191205160655.32188-1-hslester96@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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