* Tero Kristo <t-kristo@xxxxxx> [131126 00:10]: > Using regmap is required for isolating the actual memory access from > the clock code. Now, the driver providing the support for the clock IP > block can provide a regmap for this purpose. > > Signed-off-by: Tero Kristo <t-kristo@xxxxxx> > --- > arch/arm/mach-omap2/clock.c | 27 ++++++++++++++++++++++++++- > arch/arm/mach-omap2/clock.h | 3 +++ > 2 files changed, 29 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c > index 238be3f..1ef6df8 100644 > --- a/arch/arm/mach-omap2/clock.c > +++ b/arch/arm/mach-omap2/clock.c > @@ -25,7 +25,7 @@ > #include <linux/bitops.h> > #include <linux/clk-private.h> > #include <asm/cpu.h> > - > +#include <linux/regmap.h> > > #include <trace/events/power.h> > > @@ -56,6 +56,31 @@ u16 cpu_mask; > static bool clkdm_control = true; > > static LIST_HEAD(clk_hw_omap_clocks); > +struct regmap *clk_regmaps[CLK_MAX_REGMAPS]; > + > +void omap2_clk_writel(u32 val, struct clk_hw_omap *clk, void __iomem *reg) > +{ > + if (clk->flags & REGMAP_ADDRESSING) { > + struct clk_omap_reg *r = (struct clk_omap_reg *)® > + regmap_write(clk_regmaps[r->index], r->offset, val); > + } else { > + __raw_writel(val, reg); > + } > +} > + > +u32 omap2_clk_readl(struct clk_hw_omap *clk, void __iomem *reg) > +{ > + u32 val; > + > + if (clk->flags & REGMAP_ADDRESSING) { > + struct clk_omap_reg *r = (struct clk_omap_reg *)® > + regmap_read(clk_regmaps[r->index], r->offset, &val); > + } else { > + val = __raw_readl(reg); > + } > + > + return val; > +} > > /* > * Used for clocks that have the same value as the parent clock, Maybe use read[lw]_relaxed and write[lw]_relaxed here and elsewhere instead of __raw_read/write to help cut down the changes needed for the big endian patch set? Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html