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authorRob Herring <robh@kernel.org>2015-06-01 07:53:01 -0500
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-09-05 19:37:18 +0200
commite66ce07a9692f492580820640b446971dff97a74 (patch)
tree9eb8371956a7260988601d21fe0ab15162863b6c /arch/arm/configs/cm_x2xx_defconfig
parent7b758ef4440cd581e8207d762af635c644c85f81 (diff)
downloadblackbird-op-linux-e66ce07a9692f492580820640b446971dff97a74.tar.gz
blackbird-op-linux-e66ce07a9692f492580820640b446971dff97a74.zip
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/cm_x2xx_defconfig')
-rw-r--r--arch/arm/configs/cm_x2xx_defconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/configs/cm_x2xx_defconfig b/arch/arm/configs/cm_x2xx_defconfig
index dc01c049a520..3b32d5fd9326 100644
--- a/arch/arm/configs/cm_x2xx_defconfig
+++ b/arch/arm/configs/cm_x2xx_defconfig
@@ -157,7 +157,7 @@ CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_V3020=y
-CONFIG_RTC_DRV_SA1100=y
+CONFIG_RTC_DRV_PXA=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_INOTIFY=y
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