Commit Graph

3873 Commits

Author SHA1 Message Date
Linus Torvalds
a7efd197bc RTC for 5.13
Subsystem:
  - UIE emulation has been reworked to avoid calling drivers callbacks when it is
    known it will not work
 
 Drivers:
  - ab-eoz9: add alarm support
  - pcf8523: add alarm support
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Merge tag 'rtc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Mostly small fixes and two drivers gaining alarm support. Summary:

  Subsystem:

    - UIE emulation has been reworked to avoid calling driver callbacks
      when it is known it will not work

  Drivers:

   - ab-eoz9: add alarm support

   - pcf8523: add alarm support"

* tag 'rtc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (27 commits)
  rtc: sysfs: check features instead of ops
  rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG
  rtc: s5m: Remove reference to parent's device pdata
  rtc: ds1307: Fix wday settings for rx8130
  rtc: pcf8523: report oscillator failures
  rtc: pcf8523: add alarm support
  rtc: pcf8523: remove useless define
  rtc: rtc_update_irq_enable: rework UIE emulation
  rtc: ds1307: remove flags
  rtc: ds1307: replace HAS_ALARM by RTC_FEATURE_ALARM
  rtc: imx-sc: remove .read_alarm
  rtc: ds1511: remove unused function
  rtc: fsl-ftm-alarm: add MODULE_TABLE()
  rtc: rtc-spear: replace spin_lock_irqsave by spin_lock in hard IRQ
  dt-bindings: rtc: qcom-pm8xxx-rtc: Add qcom pm8xxx rtc bindings
  rtc: pm8xxx: Add RTC support for PMIC PMK8350
  rtc: ab-eoz9: make use of RTC_FEATURE_ALARM
  rtc: ab-eoz9: add alarm support
  rtc: ab-eoz9: set regmap max_register
  rtc: pcf85063: fallback to parent of_node
  ...
2021-05-03 12:15:21 -07:00
Alexandre Belloni
4d0185e678 rtc: sysfs: check features instead of ops
Test RTC_FEATURE_ALARM instead of relying on .set_alarm to know whether
alarms are available.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210429214403.2610952-1-alexandre.belloni@bootlin.com
2021-04-29 23:51:18 +02:00
Dario Binacchi
e463786f38 rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG
The RTC_OSC_REG register is 32-bit, but the useful information is found
in the 7 least significant bits (bits 7-31 are reserved). And in fact,
as you can see from the code, all read accesses are 8-bit, as well as
some writes. Let's make sure all writes are 8-bit. Moreover, in contexts
where consecutive reads / writes after the busy check must take place
within 15 us, it is better not to waste time on useless accesses.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210425145924.23353-1-dariobin@libero.it
2021-04-29 23:37:18 +02:00
Krzysztof Kozlowski
fefbec3a74 rtc: s5m: Remove reference to parent's device pdata
The S5M RTC driver does not use parent's device (sec-core PMIC driver)
platform data so there is no need to check for it.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210420170244.13467-3-krzysztof.kozlowski@canonical.com
2021-04-29 23:37:18 +02:00
Nobuhiro Iwamatsu
204756f016 rtc: ds1307: Fix wday settings for rx8130
rx8130 wday specifies the bit position, not BCD.

Fixes: ee0981be77 ("rtc: ds1307: Add support for Epson RX8130CE")
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210420023917.1949066-1-nobuhiro1.iwamatsu@toshiba.co.jp
2021-04-29 23:37:18 +02:00
Alexandre Belloni
a1cfe7cc38 rtc: pcf8523: report oscillator failures
Report oscillator failures and invalid date/time on RTC_VL_READ.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210418002023.1000265-3-alexandre.belloni@bootlin.com
2021-04-29 23:37:18 +02:00
Alexandre Belloni
13e37b7fb7 rtc: pcf8523: add alarm support
Alarm support requires unconditionally disabling clock out because it is
using the int1 pin.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210418002023.1000265-2-alexandre.belloni@bootlin.com
2021-04-29 23:37:18 +02:00
Alexandre Belloni
94959a3a04 rtc: pcf8523: remove useless define
Drop DRIVER_NAME as it is only used once

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210418002023.1000265-1-alexandre.belloni@bootlin.com
2021-04-29 23:04:47 +02:00
Alexandre Belloni
c55c3a516c rtc: rtc_update_irq_enable: rework UIE emulation
Now that the core is aware of whether alarms are available, it is possible
to decide whether UIE emulation is required before actually trying to set
the alarm.

This greatly simplifies rtc_update_irq_enable because there is now only one
error value to track and is not relying on the return value of
__rtc_set_alarm anymore.

Tested-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210418000023.995758-3-alexandre.belloni@bootlin.com
2021-04-29 23:04:13 +02:00
Alexandre Belloni
4bf84b449a rtc: ds1307: remove flags
flags is now unused, drop it.

Tested-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210418000023.995758-2-alexandre.belloni@bootlin.com
2021-04-29 23:04:13 +02:00
Alexandre Belloni
64e9d8e4db rtc: ds1307: replace HAS_ALARM by RTC_FEATURE_ALARM
The core now has RTC_FEATURE_ALARM for the driver to indicate whether
alarms are available. Use that instead of HAS_ALARM to ensure the alarm
callbacks are not even called.

Tested-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210418000023.995758-1-alexandre.belloni@bootlin.com
2021-04-29 23:04:13 +02:00
Alexandre Belloni
7942121b8c rtc: imx-sc: remove .read_alarm
The RTC core properly handles RTC without .read_alarm and doesn't use it to
set alarms. .read_alarm can be safely dropped.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210417235205.994119-1-alexandre.belloni@bootlin.com
2021-04-29 23:03:26 +02:00
Linus Torvalds
71a5cc28e8 - Core Frameworks
- Add support for Software Nodes to MFD Core
    - Remove support for Device Properties from MFD Core
    - Use standard APIs in MFD Core
 
  - New Drivers
    - Add support for ROHM BD9576MUF and BD9573MUF PMICs
    - Add support for Netronix Embedded Controller, PWM and RTC
    - Add support for Actions Semi ATC260x PMICs and OnKey
 
  - New Device Support
    - Add support for DG1 PCIe Graphics Card to Intel PMT
    - Add support for ROHM BD71815 PMIC to ROHM BD71828
    - Add support for Tolino Shine 2 HD to Netronix Embedded Controller
    - Add support for AX10 BMC Secure Updates to Intel M10 BMC
 
  - Removed Device Support
    - Remove Arizona Extcon support from MFD
    - Remove ST-E AB8500 Power Supply code from MFD
    - Remove AB3100 altogether
 
  - New Functionality
    - Add support for SMBus and I2C modes to Dialog DA9063
    - Switch to using Software Nodes in Intel (various)
 
  - New/converted Device Tree bindings; rohm,bd71815-pmic, rohm,bd9576-pmic,
                                        netronix,ntxec, actions,atc260x,
 				       ricoh,rn5t618, qcom-pm8xxx
 
 - Fix-ups
    - Fix error handling/path; intel_pmt
    - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
    - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618, max8997
    - Use correct data-type; db8500-prcmu
    - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
    - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
    - Regmap related fix-ups; intel-m10-bmc, sec-core
    - Reorder resource freeing during remove; intel_quark_i2c_gpio
    - Make table indexing more robust; intel_quark_i2c_gpio
    - Fix reference imbalances; arizona-irq
    - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
                                         intel-lpss-acpi, intel-lpss-pci,
                                         atc260x-i2c, intel_quark_i2c_gpio
 
  - Bug Fixes
    - Fix incorrect (register) values; intel-m10-bmc
    - Kconfig related fixes; ABX500_CORE
    - Do not clear the Auto Reload Register; stm32-timers
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Merge tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Add support for Software Nodes to MFD Core
   - Remove support for Device Properties from MFD Core
   - Use standard APIs in MFD Core

  New Drivers:
   - Add support for ROHM BD9576MUF and BD9573MUF PMICs
   - Add support for Netronix Embedded Controller, PWM and RTC
   - Add support for Actions Semi ATC260x PMICs and OnKey

  New Device Support:
   - Add support for DG1 PCIe Graphics Card to Intel PMT
   - Add support for ROHM BD71815 PMIC to ROHM BD71828
   - Add support for Tolino Shine 2 HD to Netronix Embedded Controller
   - Add support for AX10 BMC Secure Updates to Intel M10 BMC

  Removed Device Support:
   - Remove Arizona Extcon support from MFD
   - Remove ST-E AB8500 Power Supply code from MFD
   - Remove AB3100 altogether

  New Functionality:
   - Add support for SMBus and I2C modes to Dialog DA9063
   - Switch to using Software Nodes in Intel (various)

  New/converted Device Tree bindings:
   - rohm bd71815-pmic, rohm bd9576-pmic, netronix ntxec, actions
     atc260x, ricoh rn5t618, qcom pm8xxx

- Fix-ups:
   - Fix error handling/path; intel_pmt
   - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
   - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618,
     max8997
   - Use correct data-type; db8500-prcmu
   - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
   - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
   - Regmap related fix-ups; intel-m10-bmc, sec-core
   - Reorder resource freeing during remove; intel_quark_i2c_gpio
   - Make table indexing more robust; intel_quark_i2c_gpio
   - Fix reference imbalances; arizona-irq
   - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
     intel-lpss-acpi, intel-lpss-pci, atc260x-i2c, intel_quark_i2c_gpio

  Bug Fixes:
   - Fix incorrect (register) values; intel-m10-bmc
   - Kconfig related fixes; ABX500_CORE
   - Do not clear the Auto Reload Register; stm32-timers"

* tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
  mfd: intel-m10-bmc: Add support for MAX10 BMC Secure Updates
  Revert "mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell"
  mfd: twl: Remove unused inline function twl4030charger_usb_en()
  dt-bindings: mfd: Convert pm8xxx bindings to yaml
  dt-bindings: mfd: Add compatible for pmk8350 rtc
  i2c: designware: Get rid of legacy platform data
  mfd: intel_quark_i2c_gpio: Convert I²C to use software nodes
  mfd: lpc_sch: Partially revert "Add support for Intel Quark X1000"
  mfd: arizona: Fix rumtime PM imbalance on error
  mfd: max8997: Replace 8998 with 8997
  mfd: core: Use acpi_find_child_device() for child devices lookup
  mfd: intel_quark_i2c_gpio: Don't play dirty trick with const
  mfd: intel_quark_i2c_gpio: Enable MSI interrupt
  mfd: intel_quark_i2c_gpio: Reuse BAR definitions for MFD cell indexing
  mfd: ntxec: Support for EC in Tolino Shine 2 HD
  mfd: stm32-timers: Avoid clearing auto reload register
  mfd: intel_quark_i2c_gpio: Replace I²C speeds with descriptive definitions
  mfd: intel_quark_i2c_gpio: Remove unused struct device member
  mfd: intel_quark_i2c_gpio: Unregister resources in reversed order
  mfd: Kconfig: ABX500_CORE should depend on ARCH_U8500
  ...
2021-04-28 15:59:13 -07:00
Jiapeng Chong
9b9310445f rtc: ds1511: remove unused function
Fix the following clang warning:

drivers/rtc/rtc-ds1511.c:108:1: warning: unused function
'rtc_write_alarm' [-Wunused-function].

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1618475821-102974-1-git-send-email-jiapeng.chong@linux.alibaba.com
2021-04-17 11:21:04 +02:00
Michael Walle
7fcb861859 rtc: fsl-ftm-alarm: add MODULE_TABLE()
The module doesn't load automatically. Fix it by adding the missing
MODULE_TABLE().

Fixes: 7b0b551dbc ("rtc: fsl-ftm-alarm: add FTM alarm driver")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210414084006.17933-1-michael@walle.cc
2021-04-17 11:21:04 +02:00
Tian Tao
880f25d690 rtc: rtc-spear: replace spin_lock_irqsave by spin_lock in hard IRQ
The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1615775970-59070-1-git-send-email-tiantao6@hisilicon.com
2021-04-17 00:54:14 +02:00
satya priya
c8f0ca8b7a rtc: pm8xxx: Add RTC support for PMIC PMK8350
Add the comaptible string for PMIC PMK8350.

Signed-off-by: satya priya <skakit@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1617976766-7852-2-git-send-email-skakit@codeaurora.org
2021-04-17 00:20:01 +02:00
Liam Beguin
c52409eb16 rtc: ab-eoz9: make use of RTC_FEATURE_ALARM
Move the alarm callbacks in rtc_ops and use RTC_FEATURE_ALARM to notify
the core whether alarm capabilities are available or not.

Signed-off-by: Liam Beguin <lvb@xiphos.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210408024028.3526564-4-liambeguin@gmail.com
2021-04-17 00:07:16 +02:00
Liam Beguin
e70e52e1bf rtc: ab-eoz9: add alarm support
Add alarm support for the rtc-ab-eoz9.

Signed-off-by: Liam Beguin <lvb@xiphos.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210408024028.3526564-3-liambeguin@gmail.com
2021-04-17 00:07:16 +02:00
Liam Beguin
f1d304766c rtc: ab-eoz9: set regmap max_register
Set regmap's max_register property to allow users to dump registers
using debufgs.

Signed-off-by: Liam Beguin <lvb@xiphos.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210408024028.3526564-2-liambeguin@gmail.com
2021-04-17 00:07:16 +02:00
Francois Gervais
03531606ef rtc: pcf85063: fallback to parent of_node
The rtc device node is always NULL.

Since v5.12-rc1-dontuse/3c9ea42802a1fbf7ef29660ff8c6e526c58114f6 this
will lead to a NULL pointer dereference.

To fix this use the parent node which is the i2c client node as set by
devm_rtc_allocate_device().

Using the i2c client node seems to be what other similar drivers do
e.g. rtc-pcf8563.c.

Signed-off-by: Francois Gervais <fgervais@distech-controls.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210310211026.27299-1-fgervais@distech-controls.com
2021-04-16 23:50:25 +02:00
Laurent Vivier
3fd00fdc4f rtc: goldfish: remove dependency to OF
We want to use the goldfish RTC on a machine without OF.
As there is no real dependency on it, remove the OF dependency from the
goldfish entry in Kconfig

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210323221430.3735147-2-laurent@vivier.eu
2021-04-16 22:25:20 +02:00
Lee Jones
1658d6242a Immutable branch between MFD, Clock, GPIO, Regulator and RTC due for the v5.13 merge window
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mergetag object a908a71669
 type commit
 tag ib-mfd-extcon-v5.13
 tagger Lee Jones <lee.jones@linaro.org> 1616067995 +0000
 
 Immutable branch between MFD and Extcon due for the v5.13 merge window
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 tagger Lee Jones <lee.jones@linaro.org> 1615374673 +0000
 
 Immutable branch between MFD and Input due for the v5.13 merge window
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mergetag object aa47ad3f85
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 tag ib-mfd-platform-x86-v5.13
 tagger Lee Jones <lee.jones@linaro.org> 1615373744 +0000
 
 Immutable branch between MFD and Platform/x86 due for the v5.13 merge window
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mergetag object ee0975c308
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 tag ib-mfd-power-v5.13
 tagger Lee Jones <lee.jones@linaro.org> 1616489771 +0000
 
 Immutable branch between MFD and Power due for the v5.13 merge window
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 tagger Lee Jones <lee.jones@linaro.org> 1615374433 +0000
 
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Merge tags 'ib-mfd-clk-gpio-regulator-rtc-v5.13', 'ib-mfd-extcon-v5.13', 'ib-mfd-input-v5.13-1', 'ib-mfd-platform-x86-v5.13', 'ib-mfd-power-v5.13', 'ib-mfd-pwm-rtc-v5.13-1' and 'ib-regulator-list-ramp-helpers-v5.13' into ibs-for-mfd-merged

Immutable branch between MFD, Clock, GPIO, Regulator and RTC due for the v5.13 merge window

Immutable branch between MFD and Extcon due for the v5.13 merge window

Immutable branch between MFD and Input due for the v5.13 merge window

Immutable branch between MFD and Platform/x86 due for the v5.13 merge window

Immutable branch between MFD and Power due for the v5.13 merge window

Immutable branch between MFD, PWM and RTC due for the v5.13 merge window
2021-04-14 15:59:22 +01:00
Matti Vaittinen
c56dc069f2 rtc: bd70528: Support RTC on ROHM BD71815
BD71815 contains similar RTC block as BD71828. Only the address offsets
seem different. Support also BD71815 RTC using rtc-bd70528.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 10:21:34 +01:00
Matti Vaittinen
f87c0d2e6c rtc: bd70528: Do not require parent data
The ROHM BD71828 and BD71815 RTC drivers only need the regmap
pointer from parent. Regmap can be obtained via dev_get_regmap()
so do not require parent to populate driver data for that.

BD70528 on the other hand requires parent data to access the
watchdog so leave the parent data for BD70528 here for now.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 10:17:45 +01:00
Johannes Hahn
8d69f62fdd rtc: rx6110: add ACPI bindings to I2C
This allows the RX6110 driver to be automatically assigned to the right
device on the I2C bus.

Signed-off-by: Johannes Hahn <johannes-hahn@siemens.com>
Co-developed-by: Claudius Heine <ch@denx.de>
Signed-off-by: Claudius Heine <ch@denx.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210317075228.683184-1-ch@denx.de
2021-03-23 22:23:22 +01:00
Fabio Estevam
9346ff0bc6 rtc: mxc: Remove unneeded of_match_ptr()
i.MX is a DT-only platform, so of_match_ptr() can be safely
removed.

Remove the unneeded of_match_ptr().

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210315235800.200137-1-festevam@gmail.com
2021-03-16 08:48:44 +01:00
Fabio Estevam
198da7be18 rtc: imxdi: Convert to a DT-only driver
i.MX has been converted to a DT-only platform, so make the driver
depend on OF, remove the CONFIG_OF ifdefery and remove of_match_ptr().

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210315172029.173250-1-festevam@gmail.com
2021-03-15 23:05:03 +01:00
Heiko Schocher
6e00b6d008 rtc: rv3028: correct weekday register usage
The datasheet for the rv3028 says the weekday has exact 3 bits
and in chapter 3.4.0 for the "3h–Weekday" register it says:
"""
This register holds the current day of the week. Each value represents
one weekday that is assigned by the user. Values will range from 0 to 6
The weekday counter is simply a 3-bit counter which counts up to 6
and then resets to 0.
"""

So do not code weekday bitwise instead, use the raw values from
0-6.

Tested on "PHYTEC phyBOARD-Pollux i.MX8MP" board.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210309134719.1494062-1-hs@denx.de
2021-03-15 23:03:27 +01:00
Arnd Bergmann
936d3685e6 rtc: tps65910: include linux/property.h
The added device_property_present() call causes a build
failure in some configurations because of the missing header:

drivers/rtc/rtc-tps65910.c:422:7: error: implicit declaration of function 'device_property_present' [-Werror,-Wimplicit-function-declaration]

Fixes: 454ba154a6 ("rtc: tps65910: Support wakeup-source property")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210225134215.2263694-1-arnd@kernel.org
2021-03-15 22:38:51 +01:00
Ye Xiang
0e41fd515f iio: hid-sensors: Move get sensitivity attribute to hid-sensor-common
No functional change has been made with this patch. The main intent here
is to reduce code repetition of getting sensitivity attribute.

In the current implementation, sensor_hub_input_get_attribute_info() is
called from multiple drivers to get attribute info for sensitivity
field. Moving this to common place will avoid code repetition.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210201054921.18214-2-xiang.ye@intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-03-11 20:47:09 +00:00
Alexandre Belloni
55cc33fab5 rtc: m48t59: use platform_get_irq_optional
The IRQ is optional, avoid the error message by using
platform_get_irq_optional.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2021-03-11 09:48:09 +01:00
Jonathan Neuschäfer
435af89786 rtc: New driver for RTC in Netronix embedded controller
With this driver, mainline Linux can keep its time and date in sync with
the vendor kernel.

Advanced functionality like alarm and automatic power-on is not yet
supported.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-03-10 11:06:33 +00:00
Linus Torvalds
5ceabb6078 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
 "Assorted stuff pile - no common topic here"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  whack-a-mole: don't open-code iminor/imajor
  9p: fix misuse of sscanf() in v9fs_stat2inode()
  audit_alloc_mark(): don't open-code ERR_CAST()
  fs/inode.c: make inode_init_always() initialize i_ino to 0
  vfs: don't unnecessarily clone write access for writable fds
2021-02-27 08:07:12 -08:00
Al Viro
6f24784f00 whack-a-mole: don't open-code iminor/imajor
several instances creeped back into the tree...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2021-02-23 10:25:29 -05:00
Linus Torvalds
6ff6f86bc4 ARM updates for 5.12-rc1:
- Generalise byte swapping assembly
 - Update debug addresses for STI
 - Validate start of physical memory with DTB
 - Do not clear SCTLR.nTLSMD in decompressor
 - amba/locomo/sa1111 devices remove method return type is void
 - address markers for KASAN in page table dump
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - Generalise byte swapping assembly

 - Update debug addresses for STI

 - Validate start of physical memory with DTB

 - Do not clear SCTLR.nTLSMD in decompressor

 - amba/locomo/sa1111 devices remove method return type is void

 - address markers for KASAN in page table dump

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
  ARM: 9055/1: mailbox: arm_mhuv2: make remove callback return void
  amba: Make use of bus_type functions
  amba: Make the remove callback return void
  vfio: platform: simplify device removal
  amba: reorder functions
  amba: Fix resource leak for drivers without .remove
  ARM: 9054/1: arch/arm/mm/mmu.c: Remove duplicate header
  ARM: 9053/1: arm/mm/ptdump:Add address markers for KASAN regions
  ARM: 9051/1: vdso: remove unneded extra-y addition
  ARM: 9050/1: Kconfig: Select ARCH_HAVE_NMI_SAFE_CMPXCHG where possible
  ARM: 9049/1: locomo: make locomo bus's remove callback return void
  ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void
  ARM: 9047/1: smp: remove unused variable
  ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
  ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
  ARM: 9042/1: debug: no uncompress debugging while semihosting
  ARM: 9041/1: sti LL_UART: add STiH418 SBC UART0 support
  ARM: 9040/1: use DEBUG_UART_PHYS and DEBUG_UART_VIRT for sti LL_UART
  ARM: 9039/1: assembler: generalize byte swapping macro into rev_l
2021-02-22 14:27:07 -08:00
Linus Torvalds
0328b5f2ef RTC for 5.12
Subsystem:
  - Introduce features bitfield and the first feature: RTC_FEATURE_ALARM
 
 Removed drivers:
  - ab3100
  - coh901331
  - tx4939
  - sirfsoc
 
 Drivers:
  - use rtc_lock and rtc_unlock instead of opencoding
  - constify all struct rtc_class_ops
  - quiet maybe-unused variable warning
  - replace spin_lock_irqsave with spin_lock in hard IRQ
  - pcf2127: disable Power-On Reset Override and run OTP refresh
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Merge tag 'rtc-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Many cleanups and a few drivers removal this cycle.

  Subsystem:
   - Introduce features bitfield and the first feature: RTC_FEATURE_ALARM

  Removed drivers:
   - ab3100
   - coh901331
   - tx4939
   - sirfsoc

  Drivers:
   - use rtc_lock and rtc_unlock instead of opencoding
   - constify all struct rtc_class_ops
   - quiet maybe-unused variable warning
   - replace spin_lock_irqsave with spin_lock in hard IRQ
   - pcf2127: disable Power-On Reset Override and run OTP refresh"

* tag 'rtc-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (81 commits)
  rtc: abx80x: Add utility function for writing configuration key
  rtc: pcf2127: properly set flag WD_CD for rtc chips(pcf2129, pca2129)
  rtc: pcf8563: Add NXP PCA8565 compatible
  rtc: s3c: quiet maybe-unused variable warning
  rtc: s3c: stop setting bogus time
  rtc: sd3078: quiet maybe-unused variable warning
  rtc: s35390a: quiet maybe-unused variable warning
  rtc: rx8581: quiet maybe-unused variable warning
  rtc: rx8010: quiet maybe-unused variable warning
  rtc: rv8803: quiet maybe-unused variable warning
  rtc: rv3032: quiet maybe-unused variable warning
  rtc: rv3029: quiet maybe-unused variable warning
  rtc: rv3028: quiet maybe-unused variable warning
  rtc: rs5c372: quiet maybe-unused variable warning
  rtc: pcf85363: quiet maybe-unused variable warning
  rtc: pcf85063: quiet maybe-unused variable warnings
  rtc: meson: quiet maybe-unused variable warning
  rtc: m41t80: quiet maybe-unused variable warning
  rtc: isl1208: quiet maybe-unused variable warning
  rtc: ds3232: quiet maybe-unused variable warning
  ...
2021-02-22 09:54:19 -08:00
Linus Torvalds
983e4adae0 platform-drivers-x86 for v5.12-1
- Microsoft Surface devices System Aggregator Module support
 - SW_TABLET_MODE reporting improvements
 - thinkpad_acpi keyboard language setting support
 - platform / DPTF profile settings support
  - Base / userspace API parts merged from Rafael's acpi-platform branch
  - thinkpad_acpi and ideapad-laptop support through pdx86
 - Remove support for some obsolete Intel MID platforms through merging
   of the shared intel-mid-removal branch
 - Big cleanup of the ideapad-laptop driver
 - Misc. other fixes / new hw support / quirks
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  platform-profile: Fix possible deadlock in platform_profile_remove()
  -  platform-profile: Introduce object pointers to callbacks
  -  platform-profile: Drop const qualifier for cur_profile
  -  platform: Add platform profile support
 
 Documentation:
  -  Add documentation for new platform_profile sysfs attribute
 
 Documentation/ABI:
  -  sysfs-platform-ideapad-laptop: conservation_mode attribute
  -  sysfs-platform-ideapad-laptop: update device attribute paths
 
 Kconfig:
  -  add missing selects for ideapad-laptop
 
 MAINTAINERS:
  -  update email address for Henrique de Moraes Holschuh
 
 Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
  - Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
 
 Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans:
  - Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans
 
 Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next:
  - Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next
 
 Move all dell drivers to their own subdirectory:
  - Move all dell drivers to their own subdirectory
 
 Platform:
  -  OLPC: Constify static struct regulator_ops
  -  OLPC: Specify the enable time
  -  OLPC: Remove dcon_rdev from olpc_ec_priv
  -  OLPC: Fix probe error handling
 
 Revert "platform/x86:
  -  ideapad-laptop: Switch touchpad attribute to be RO"
 
 acer-wmi:
  -  Don't use ACPI_EXCEPTION()
 
 amd-pmc:
  -  put device on error paths
  -  Fix CONFIG_DEBUG_FS check
 
 dell-wmi-sysman:
  -  fix a NULL pointer dereference
 
 docs:
  -  driver-api: Add Surface Aggregator subsystem documentation
 
 drm/gma500:
  -  Get rid of duplicate NULL checks
  -  Convert to use new SCU IPC API
 
 gpio:
  -  msic: Remove driver for deprecated platform
  -  intel-mid: Remove driver for deprecated platform
 
 hp-wmi:
  -  Disable tablet-mode reporting by default
  -  Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
 
 i2c-multi-instantiate:
  -  Don't create platform device for INT3515 ACPI nodes
 
 ideapad-laptop:
  -  add "always on USB charging" control support
  -  add keyboard backlight control support
  -  send notification about touchpad state change to sysfs
  -  fix checkpatch warnings, more consistent style
  -  change 'cfg' debugfs file format
  -  change 'status' debugfs file format
  -  check for touchpad support in _CFG
  -  check for Fn-lock support in HALS
  -  rework is_visible() logic
  -  rework and create new ACPI helpers
  -  group and separate (un)related constants into enums
  -  misc. device attribute changes
  -  always propagate error codes from device attributes' show() callback
  -  convert ACPI helpers to return -EIO in case of failure
  -  use dev_{err,warn} or appropriate variant to display log messages
  -  use msecs_to_jiffies() helper instead of hand-crafted formula
  -  use for_each_set_bit() helper to simplify event processing
  -  use kobj_to_dev()
  -  use device_{add,remove}_group
  -  use sysfs_emit()
  -  add missing call to submodule destructor
  -  sort includes lexicographically
  -  use appropriately typed variable to store the return value of ACPI methods
  -  remove unnecessary NULL checks
  -  remove unnecessary dev_set_drvdata() call
  -  DYTC Platform profile support
  -  Disable touchpad_switch for ELAN0634
 
 intel-vbtn:
  -  Eval VBDL after registering our notifier
  -  Add alternative method to enable switches
  -  Create 2 separate input-devs for buttons and switches
  -  Rework wakeup handling in notify_handler()
  -  Drop HP Stream x360 Convertible PC 11 from allow-list
  -  Support for tablet mode on Dell Inspiron 7352
 
 intel_mid_powerbtn:
  -  Remove driver for deprecated platform
  -  Remove driver for deprecated platform
 
 intel_mid_thermal:
  -  Remove driver for deprecated platform
  -  Remove driver for deprecated platform
 
 intel_pmt:
  -  Make INTEL_PMT_CLASS non-user-selectable
 
 intel_pmt_crashlog:
  -  Add dependency on MFD_INTEL_PMT
 
 intel_pmt_telemetry:
  -  Add dependency on MFD_INTEL_PMT
 
 intel_scu_ipc:
  -  Increase virtual timeout from 3 to 5 seconds
 
 intel_scu_wdt:
  -  Drop mistakenly added const
  -  Get rid of custom x86 model comparison
  -  Drop SCU notification
  -  Move driver from arch/x86
 
 msi-wmi:
  -  Fix variable 'status' set but not used compiler warning
 
 platform/surface:
  -  aggregator: Fix access of unaligned value
  -  Add Surface Hot-Plug driver
  -  surface3-wmi: Fix variable 'status' set but not used compiler warning
  -  aggregator: Fix braces in if condition with unlikely() macro
  -  aggregator: Fix kernel-doc references
  -  aggregator: fix a kernel-doc markup
  -  aggregator_cdev: Add comments regarding unchecked allocation size
  -  aggregator_cdev: Fix access of uninitialized variables
  -  fix potential integer overflow on shift of a int
  -  Add Surface ACPI Notify driver
  -  Add Surface Aggregator user-space interface
  -  aggregator: Add dedicated bus and device type
  -  aggregator: Add error injection capabilities
  -  aggregator: Add trace points
  -  aggregator: Add event item allocation caching
  -  aggregator: Add control packet allocation caching
  -  Add Surface Aggregator subsystem
  -  SURFACE_PLATFORMS should depend on ACPI
  -  surface_gpe: Fix non-PM_SLEEP build warnings
 
 platform/x86/intel-uncore-freq:
  -  Add Sapphire Rapids server support
 
 rtc:
  -  mrst: Remove driver for deprecated platform
 
 sony-laptop:
  -  Remove unneeded semicolon
 
 thinkpad_acpi:
  -  Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
  -  Fix 'warning: no previous prototype for' warnings
  -  Add platform profile support
  -  fixed warning and incorporated review comments
  -  rectify length of title underline
  -  Don't register keyboard_lang unnecessarily
  -  set keyboard language
  -  Add P53/73 firmware to fan_quirk_table for dual fan control
  -  correct palmsensor error checking
 
 tools/power/x86/intel-speed-select:
  -  Update version to 1.8
  -  Add new command to get/set TRL
  -  Add new command turbo-mode
  -  Set higher of cpuinfo_max_freq or base_frequency
  -  Set scaling_max_freq to base_frequency
 
 touchscreen_dmi:
  -  Add info for the Jumper EZpad 7 tablet
  -  Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet
 
 watchdog:
  -  intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
  -  intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:
 "Highlights:

   - Microsoft Surface devices System Aggregator Module support

   - SW_TABLET_MODE reporting improvements

   - thinkpad_acpi keyboard language setting support

   - platform / DPTF profile settings support:

      - Base / userspace API parts merged from Rafael's acpi-platform
        branch

      - thinkpad_acpi and ideapad-laptop support through pdx86

   - Remove support for some obsolete Intel MID platforms through
     merging of the shared intel-mid-removal branch

   - Big cleanup of the ideapad-laptop driver

   - Misc other fixes / new hw support / quirks"

* tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (99 commits)
  platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds
  platform/surface: aggregator: Fix access of unaligned value
  tools/power/x86/intel-speed-select: Update version to 1.8
  tools/power/x86/intel-speed-select: Add new command to get/set TRL
  tools/power/x86/intel-speed-select: Add new command turbo-mode
  Platform: OLPC: Constify static struct regulator_ops
  platform/surface: Add Surface Hot-Plug driver
  platform/x86: intel_scu_wdt: Drop mistakenly added const
  platform/x86: Kconfig: add missing selects for ideapad-laptop
  platform/x86: acer-wmi: Don't use ACPI_EXCEPTION()
  platform/x86: thinkpad_acpi: Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
  platform/x86: thinkpad_acpi: Fix 'warning: no previous prototype for' warnings
  platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning
  platform/surface: surface3-wmi: Fix variable 'status' set but not used compiler warning
  platform/x86: Move all dell drivers to their own subdirectory
  Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute
  Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths
  platform/x86: ideapad-laptop: add "always on USB charging" control support
  platform/x86: ideapad-laptop: add keyboard backlight control support
  platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs
  ...
2021-02-22 08:50:01 -08:00
Kevin P. Fleming
49dfc1f16b rtc: abx80x: Add utility function for writing configuration key
Writing one of key two values into the configuration key register
is a common operation, so a utility function has been added to
provide consistent behavior and eliminate code duplication.

Signed-off-by: Kevin P. Fleming <kevin+linux@km6g.us>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: linux-rtc@vger.kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200615105113.57770-2-kevin+linux@km6g.us
2021-02-13 23:03:26 +01:00
Biwen Li
2843d565dd rtc: pcf2127: properly set flag WD_CD for rtc chips(pcf2129, pca2129)
Properly set flag WD_CD for rtc chips(pcf2129, pca2129)

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201202031840.15582-1-biwen.li@oss.nxp.com
2021-02-13 22:38:13 +01:00
Marek Vasut
198be9898b rtc: pcf8563: Add NXP PCA8565 compatible
The NXP PCA8565 is software compatible with the NXP PCF8563,
add DT and ACPI compatible entries.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: linux-rtc@vger.kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210210220623.23233-1-marex@denx.de
2021-02-13 21:51:05 +01:00
Alexandre Belloni
7d6bec2868 rtc: s3c: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210202112934.3612726-2-alexandre.belloni@bootlin.com
2021-02-06 00:59:16 +01:00
Alexandre Belloni
5c78cceeb2 rtc: s3c: stop setting bogus time
It doesn't make sense to set the RTC to a default value at probe time. Let
the core handle invalid date and time.

Also, this is basically dead code since commit 22652ba724 ("rtc: stop
validating rtc_time in .read_time")

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210202112934.3612726-1-alexandre.belloni@bootlin.com
2021-02-06 00:59:16 +01:00
Alexandre Belloni
302757c9ae rtc: sd3078: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-22-alexandre.belloni@bootlin.com
2021-02-06 00:58:26 +01:00
Alexandre Belloni
0a268386c7 rtc: s35390a: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-21-alexandre.belloni@bootlin.com
2021-02-06 00:58:25 +01:00
Alexandre Belloni
194084679e rtc: rx8581: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-20-alexandre.belloni@bootlin.com
2021-02-06 00:58:25 +01:00
Alexandre Belloni
782d3ebfcf rtc: rx8010: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-19-alexandre.belloni@bootlin.com
2021-02-06 00:58:25 +01:00
Alexandre Belloni
da82632150 rtc: rv8803: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-18-alexandre.belloni@bootlin.com
2021-02-06 00:58:25 +01:00
Alexandre Belloni
94428ac9aa rtc: rv3032: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-17-alexandre.belloni@bootlin.com
2021-02-06 00:58:25 +01:00
Alexandre Belloni
788babdd54 rtc: rv3029: quiet maybe-unused variable warning
When CONFIG_OF is disabled then the matching table is not referenced.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210202112219.3610853-16-alexandre.belloni@bootlin.com
2021-02-06 00:58:25 +01:00