Messages in this thread | | | Subject | Re: [PATCH v4 15/16] clk: shmobile: mstp: Consider "zb_clk" suitable for power management | From | Sergei Shtylyov <> | Date | Tue, 4 Aug 2015 16:20:17 +0300 |
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Hello.
On 08/04/2015 03:28 PM, Geert Uytterhoeven wrote:
> Currently the CPG/MSTP Clock Domain code looks for MSTP clocks to power > manage a device.
> Unfortunately, on R-Mobile APE6 (r8a73a4) and SH-Mobile AG5 (sh73a0), > the Bus State Controller (BSC) is not power-managed by an MSTP clock, > but by a plain CPG clock (zb_clk). Add a special case to handle this, > so the clock is properly managed, and devices connected to the BSC work > as expected.
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> > Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> [...]
> diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/shmobile/clk-mstp.c > index b1df7b2f1e970adb..a117c3f0f257b5e1 100644 > --- a/drivers/clk/shmobile/clk-mstp.c > +++ b/drivers/clk/shmobile/clk-mstp.c > @@ -259,6 +259,10 @@ int cpg_mstp_attach_dev(struct generic_pm_domain *domain, struct device *dev) > "renesas,cpg-mstp-clocks")) > goto found; > > + /* BSC on r8a73a4/sh73a0 uses zb_clk instead of an mstp clock*/
Please add a space before */.
> + if (!strcmp(clkspec.np->name, "zb_clk")) > + goto found; > + > of_node_put(clkspec.np); > i++; > }
MBR, Sergei
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