user/sven/linux.git/drivers/rtc/rtc-snvs.c, branch v4.10.4

rtc: snvs: return error in case enable_irq_wake fails

2016-05-20T10:33:51Z

If enable_irq_wake fails, we should return that error code so that entering suspend fails. Otherwise we will get a WARNING along with the hint of a unbalanced wake disable: Unbalanced IRQ 37 wake disable Signed-off-by: Stefan Agner Signed-off-by: Alexandre Belloni

rtc: snvs: use syscon to access register

2015-07-15T02:15:10Z

snvs included rtc, on/off key, power-off module change to syscon to access register Signed-off-by: Frank Li Acked-by: Alexandre Belloni Signed-off-by: Shawn Guo

rtc: snvs: fix wakealarm by call enable_irq_wake earlier

2015-06-24T23:13:38Z

When entering suspend while an wakeup alarm is set, enable_set_wake should make sure that the RTC interrupt keep being enabled and the .irq_set_wake for the RTC interrupt get called. However, since the driver uses the suspend_noirq callback, the call to enable_irq_wake has been made after disabling the interrupts. While .irq_set_wake has been called properly, the interrupt remained disabled. Use the suspend callback to call enable_irq_wake early enough to ensure the RTC interrupt remains enabled. Fixes: 7654e9d4fd8f ("drivers/rtc/rtc-snvs: fix suspend/resume") Cc: # 3.19 Signed-off-by: Stefan Agner Signed-off-by: Alexandre Belloni

Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2014-12-15T00:10:09Z

Pull driver core update from Greg KH: "Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while" * tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits) Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries" fs: debugfs: add forward declaration for struct device type firmware class: Deletion of an unnecessary check before the function call "vunmap" firmware loader: fix hung task warning dump devcoredump: provide a one-way disable function device: Add dev__once variants ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries ath: use seq_file api for ath9k debugfs files debugfs: add helper function to create device related seq_file drivers/base: cacheinfo: remove noisy error boot message Revert "core: platform: add warning if driver has no owner" drivers: base: support cpu cache information interface to userspace via sysfs drivers: base: add cpu_device_create to support per-cpu devices topology: replace custom attribute macros with standard DEVICE_ATTR* cpumask: factor out show_cpumap into separate helper function driver core: Fix unbalanced device reference in drivers_probe driver core: fix race with userland in device_add() sysfs/kernfs: make read requests on pre-alloc files use the buffer. sysfs/kernfs: allow attributes to request write buffer be pre-allocated. fs: sysfs: return EGBIG on write if offset is larger than file size ...

rtc: snvs: fix build with CONFIG_PM_SLEEP disabled

2014-12-13T20:42:45Z

Commit 7654e9d4fd8f ("drivers/rtc/rtc-snvs: fix suspend/resume") replaces SIMPLE_DEV_PM_OPS with direct declaration of snvs_rtc_pm_ops, but does so outside #ifdef CONFIG_PM_SLEEP. This causes the driver build to fail if CONFIG_PM_SLEEP is not configured. Fixes: 7654e9d4fd8f ("drivers/rtc/rtc-snvs: fix suspend/resume") Signed-off-by: Guenter Roeck Cc: Sanchayan Maity Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

drivers/rtc/rtc-snvs: fix suspend/resume

2014-12-11T01:41:16Z

The alarm interrupt handler also reads registers which are part of SNVS and need clocks enabled. However, the resume function is called after IRQ's have been enabled, hence this leads to a abort: Unhandled fault: external abort on non-linefetch (0x1008) at 0x908c604c Internal error: : 1008 [#1] ARM Modules linked in: CPU: 0 PID: 421 Comm: sh Not tainted 3.18.0-rc5-00135-g0689c67-dirty #1592 task: 8e03e800 ti: 8cad8000 task.ti: 8cad8000 PC is at snvs_rtc_irq_handler+0x14/0x74 LR is at handle_irq_event_percpu+0x3c/0x144 Fix this by using the .{suspend/resume}_noirq callbacks instead of .{suspend/resume} . Signed-off-by: Sanchayan Maity Cc: Shawn Guo Cc: Stefan Agner Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

drivers/rtc/rtc-snvs: add clock support

2014-12-11T01:41:16Z

Add clock enable and disable support for the SNVS peripheral, which is required for using the RTC within the SNVS block. The clock is not strictly enforced, as this would break the i.MX devices. The clocking for the i.MX devices seems to be enabled elsewhere and enabling RTC SNVS for Vybrid results in a crash. This patch adds the clock support but also makes it optional so Vybrid platform can use the clock if defined while making sure not to break i.MX. Signed-off-by: Sanchayan Maity Cc: Shawn Guo Acked-by: Stefan Agner Acked-by: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rtc: drop owner assignment from platform_drivers

2014-10-20T14:21:31Z

A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang

drivers/rtc/rtc-snvs.c: remove redundant of_match_ptr

2013-11-13T03:09:30Z

The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

drivers/rtc/rtc-snvs.c: remove empty function

2013-07-03T23:07:58Z

After the switch to devm_* functions and the removal of rtc_device_unregister(), the 'remove' function does not do anything. Delete it. Signed-off-by: Sachin Kamat Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds