On Thursday 28 April 2016 09:25:25 Geert Uytterhoeven wrote:

On Thu, Apr 28, 2016 at 12:34 AM, Arnd Bergmann [off-list ref] wrote:

quoted

--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig

@@ -321,6 +321,17 @@ config OF_RTC
          Uses information from the OF or flattened device tree to instantiate
          platform devices for direct mapped RTC chips like the DS1742 or DS1743.

+config GEN_RTC
+       bool "Use the platform RTC operations from user space"
+       select RTC_CLASS
+       select RTC_DRV_GENERIC
+       help
+         This option provides backwards compatibility with the old gen_rtc.ko
+         module that was traditionally used for old PowerPC machines.
+         Platforms should migrate to enabling the RTC_DRV_GENERIC by hand
+         replacing changing their get_rtc_time/set_rtc_time callbacks with

Drop "changing".

done, thanks!

	Arnd