On Mon, Jan 18, 2010 at 02:30:16PM +0900, Thomas Abraham wrote:
> Adds a additional check in s3c_set_clksrc function to ensure that the clksrc_clk
> does have a choice of multiple clock sources. In addition to this, a check is
> added to ensure that a parent is assigned to the clksrc_clk in case it does not
> have a choice of parent clocks.
Applied to next-samsung-clock2.
> Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
> ---
> arch/arm/plat-samsung/clock-clksrc.c | 11 ++++++++---
> 1 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c
> index 33c633a..98c6b88 100644
> --- a/arch/arm/plat-samsung/clock-clksrc.c
> +++ b/arch/arm/plat-samsung/clock-clksrc.c
> @@ -129,11 +129,16 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce)
> {
> struct clksrc_sources *srcs = clk->sources;
> u32 mask = bit_mask(clk->reg_src.shift, clk->reg_src.size);
> - u32 clksrc = 0;
> + u32 clksrc;
>
> - if (clk->reg_src.reg)
> - clksrc = __raw_readl(clk->reg_src.reg);
> + if (!clk->reg_src.reg) {
> + if (!clk->clk.parent)
> + printk(KERN_ERR "%s: no parent clock specified\n",
> + clk->clk.name);
> + return;
> + }
>
> + clksrc = __raw_readl(clk->reg_src.reg);
> clksrc &= mask;
> clksrc >>= clk->reg_src.shift;
>
> --
> 1.6.3.3
>
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Ben
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