[PATCH v2] rtc: rtc-mv: Add support for clk to avoid lockups

Jason Cooper jason at lakedaemon.net
Sun Feb 3 20:50:13 EST 2013


On Sun, Feb 03, 2013 at 12:32:06PM +0100, Andrew Lunn wrote:
> The Marvell RTC on Kirkwood makes use of the runit clock. Ensure the
> driver clk_prepare_enable() this clock, otherwise there is a danger
> the SoC will lockup when accessing RTC registers with the clock
> disabled.
> 
> Reported-by: Simon Baatz gmbnomis at gmail.com
> Signed-off-by: Andrew Lunn <andrew at lunn.ch>
> ---
> 
> Since v1:
> Enable clock before accessing RTC registers.
> 
>  arch/arm/boot/dts/kirkwood.dtsi |    1 +
>  drivers/rtc/rtc-mv.c            |   28 ++++++++++++++++++++++++----
>  2 files changed, 25 insertions(+), 4 deletions(-)

Applied to mvebu/fixes with Simon's Tested-by: and added '<' '>' to the
Reported-by:.

thx,

Jason.



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