| Message ID | 20170914120519.2006-1-alex@asyring.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Sep 14, 2017 at 8:05 PM, Alexander Syring <alex@asyring.de> wrote: > When using cpufreq-dt with default govenor other than "performance" > system freezes while booting. > Adding CLK_SET_RATE_PARENT | CLK_IS_CRITICAL to clk_cpu fixes the > problem. > > Tested on Cubietruck (A20). > > Fixes: c84f5683f6E ("clk: sunxi-ng: Add sun4i/sun7i CCU driver") > > Reported-by: Alexander Syring <alex@asyring.de> You typically don't need this if you yourself are the reporter. > Signed-off-by: Alexander Syring <alex@asyring.de> Acked-by: Chen-Yu Tsai <wens@csie.org> > --- > drivers/clk/sunxi-ng/ccu-sun4i-a10.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c > index 286b0049b7b6..a48fde191c0a 100644 > --- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c > +++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c > @@ -223,7 +223,7 @@ static struct ccu_mux cpu_clk = { > .hw.init = CLK_HW_INIT_PARENTS("cpu", > cpu_parents, > &ccu_mux_ops, > - CLK_IS_CRITICAL), > + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), > } > }; > > -- > 2.11.0 >
diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c index 286b0049b7b6..a48fde191c0a 100644 --- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c +++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c @@ -223,7 +223,7 @@ static struct ccu_mux cpu_clk = { .hw.init = CLK_HW_INIT_PARENTS("cpu", cpu_parents, &ccu_mux_ops, - CLK_IS_CRITICAL), + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), } };
When using cpufreq-dt with default govenor other than "performance" system freezes while booting. Adding CLK_SET_RATE_PARENT | CLK_IS_CRITICAL to clk_cpu fixes the problem. Tested on Cubietruck (A20). Fixes: c84f5683f6E ("clk: sunxi-ng: Add sun4i/sun7i CCU driver") Reported-by: Alexander Syring <alex@asyring.de> Signed-off-by: Alexander Syring <alex@asyring.de> --- drivers/clk/sunxi-ng/ccu-sun4i-a10.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)