On Mon, Jan 18, 2010 at 09:38:17AM +0900, Thomas Abraham wrote: > The function s3c_set_clksrc should return if the clksrc_clk clock has > only one possible parent clock. Does this actually relate to a real bug or is this something that you've come across whilst reading the code? >From arch/arm/plat-samnsung/clock-clksrc.c: 181 if (!clksrc->reg_div.reg) 182 clksrc->clk.ops = &clksrc_ops_nodiv; 183 else if (!clksrc->reg_src.reg) 184 clksrc->clk.ops = &clksrc_ops_nosrc; 185 else 186 clksrc->clk.ops = &clksrc_ops; So we change the ops dependant on which register(s) we have availalbe. > Signed-of-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx> > --- > arch/arm/plat-samsung/clock-clksrc.c | 5 +++-- > 1 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c > index 33c633a..80da4c4 100644 > --- a/arch/arm/plat-samsung/clock-clksrc.c > +++ b/arch/arm/plat-samsung/clock-clksrc.c > @@ -131,9 +131,10 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce) > u32 mask = bit_mask(clk->reg_src.shift, clk->reg_src.size); > u32 clksrc = 0; > > - if (clk->reg_src.reg) > - clksrc = __raw_readl(clk->reg_src.reg); > + if (!clk->reg_src.reg) > + return; > > + clksrc = __raw_readl(clk->reg_src.reg); > clksrc &= mask; > clksrc >>= clk->reg_src.shift; > > -- > 1.6.3.3 > -- -- Ben Q: What's a light-year? A: One-third less calories than a regular year. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html