diff options
| author | Rob Herring <robh@kernel.org> | 2015-06-01 15:53:01 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-09-05 20:37:18 +0300 |
| commit | e66ce07a9692f492580820640b446971dff97a74 (patch) | |
| tree | 9eb8371956a7260988601d21fe0ab15162863b6c /arch/arm/configs/trizeps4_defconfig | |
| parent | 7b758ef4440cd581e8207d762af635c644c85f81 (diff) | |
| download | linux-e66ce07a9692f492580820640b446971dff97a74.tar.xz | |
ARM: config: Switch PXA27x platforms to use PXA RTC driver
With the SA1100 and PXA RTC drivers be mutually exclusive and no
longer sharing hardware, PXA27x/PXA3xx platforms must use the PXA RTC
driver as the SA1100 platform device is no longer registered.
This change should be almost transparent to userspace. Former users of
pxa-rtc should be aware that 2 RTCs will be available on their kernels,
rtc0 being sa1100-rtc and rtc1 being pxa-rtc. Any userspace relying on
the fact that rtc0 was pxa-rtc should be fixed.
As a consequence:
- the first reboot after the switch will have the wrong time,
- on dual boot platform where the other OS programs some logic into the
sa1100 rtc IP, a lack of fix in userspace, ie. a kernel changing
sa1100-rtc thinking it is pxa-rtc could have dire consequence, such
as wiping the other OS data partition.
(Thanks to Robert Jarmik for help on the above commit text.)
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mike Rapoport <mike@compulab.co.il>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'arch/arm/configs/trizeps4_defconfig')
| -rw-r--r-- | arch/arm/configs/trizeps4_defconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/configs/trizeps4_defconfig b/arch/arm/configs/trizeps4_defconfig index 932ee4e4a13a..4bc870028035 100644 --- a/arch/arm/configs/trizeps4_defconfig +++ b/arch/arm/configs/trizeps4_defconfig @@ -177,7 +177,7 @@ CONFIG_NEW_LEDS=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set CONFIG_RTC_DRV_PCF8583=m -CONFIG_RTC_DRV_SA1100=y +CONFIG_RTC_DRV_PXA=y CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y |