On 05/10/2013 06:38 PM, Sylwester Nawrocki wrote: > Currently no driver *) handles the sysreg clock, with an assumption > that this clock is always left in its default state (enabled). > > Before commit 6e6aac7590f902d14d90bace3fd499 > ARM: EXYNOS: Migrate clock support to common clock framework > > the sysreg clock was not even defined and hence wasn't handled > explicitly in the kernel. > > To restore the previous behaviour disable masking the sysreg clock > off in the clock core by default. > > *) Except the Exynos4x12 FIMC-IS driver, which will be modified > to not touch the sysreg clock. > > Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> Mike, would you consider applying it as a bug fix for v3.10-rc ? I'd like to queue patch [1] for 3.10 through the media tree, once $subject patch is in Linus' tree. Thanks, Sylwester [1] https://patchwork.linuxtv.org/patch/18374 > --- > drivers/clk/samsung/clk-exynos4.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c > index 070bbeb..0f2f5e5 100644 > --- a/drivers/clk/samsung/clk-exynos4.c > +++ b/drivers/clk/samsung/clk-exynos4.c > @@ -797,7 +797,8 @@ struct samsung_gate_clock exynos4210_gate_clks[] __initdata = { > GATE(smmu_pcie, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0), > GATE(modemif, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0), > GATE(chipid, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0), > - GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0), > + GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0, > + CLK_IGNORE_UNUSED, 0), > GATE(hdmi_cec, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, 0), > GATE(smmu_rotator, "smmu_rotator", "aclk200", > E4210_GATE_IP_IMAGE, 4, 0, 0), > @@ -826,7 +827,8 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = { > GATE(smmu_mdma, "smmu_mdma", "aclk200", E4X12_GATE_IP_IMAGE, 5, 0, 0), > GATE(mipi_hsi, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0), > GATE(chipid, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0), > - GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, 0, 0), > + GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1, > + CLK_IGNORE_UNUSED, 0), > GATE(hdmi_cec, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, 0), > GATE(sclk_mdnie0, "sclk_mdnie0", "div_mdnie0", > SRC_MASK_LCD0, 4, CLK_SET_RATE_PARENT, 0), > -- > 1.7.9.5 -- 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
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