On 03/07/2013 06:31 AM, Shaik Ameer Basha wrote:
> s3c_set_clksrc() updates the clock source as per u-boot settings.
> This patch adds the functionality to overwrite u-boot settings,
> if user provides the clock parent field. In case of wrong source
> provided by the user, it will retain the u-boot settings.
>
> Signed-off-by: Shaik Ameer Basha <shaik.am...@samsung.com>
> ---
> arch/arm/plat-samsung/clock-clksrc.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/plat-samsung/clock-clksrc.c
> b/arch/arm/plat-samsung/clock-clksrc.c
> index 786a410..4fecd80 100644
> --- a/arch/arm/plat-samsung/clock-clksrc.c
> +++ b/arch/arm/plat-samsung/clock-clksrc.c
> @@ -150,7 +150,12 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk
> *clk, bool announce)
> return;
> }
>
> - clk->clk.parent = srcs->sources[clksrc];
> + if (clk->clk.parent) {
> + if (s3c_setparent_clksrc(&clk->clk, clk->clk.parent))
> + clk->clk.parent = srcs->sources[clksrc];
> + } else {
> + clk->clk.parent = srcs->sources[clksrc];
> + }
May I ask what do you need this for ? This code won't be used for
Exynos4 and Exynos5 SoCs starting from 3.10. And it is going to be
removed once other platforms are converted to the new Samsung clocks
driver.
Regards,
Sylwester
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