Message ID | 20191029005025.4476-1-mihailescu2m@gmail.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
Series | clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume | expand |
On 10/29/19 01:50, Marian Mihailescu wrote: > Save and restore top PLL related configuration registers for big (APLL) > and LITTLE (KPLL) cores during suspend/resume cycle. So far, CPU clocks > were reset to default values after suspend/resume cycle and performance > after system resume was affected when performance governor has been selected. > > Fixes: 773424326b51 ("clk: samsung: exynos5420: add more registers to restore list") > Signed-off-by: Marian Mihailescu <mihailescu2m@gmail.com> Patch applied, thank you. Please remember to also Cc in future any clk patches to the linux-clk@vger.kernel.org mailing list. > --- > drivers/clk/samsung/clk-exynos5420.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c > index 403b5a367a5b..3a991ca1ee36 100644 > --- a/drivers/clk/samsung/clk-exynos5420.c > +++ b/drivers/clk/samsung/clk-exynos5420.c > @@ -165,6 +165,8 @@ static const unsigned long exynos5x_clk_regs[] __initconst = { > GATE_BUS_CPU, > GATE_SCLK_CPU, > CLKOUT_CMU_CPU, > + APLL_CON0, > + KPLL_CON0, > CPLL_CON0, > DPLL_CON0, > EPLL_CON0,
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 403b5a367a5b..3a991ca1ee36 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -165,6 +165,8 @@ static const unsigned long exynos5x_clk_regs[] __initconst = { GATE_BUS_CPU, GATE_SCLK_CPU, CLKOUT_CMU_CPU, + APLL_CON0, + KPLL_CON0, CPLL_CON0, DPLL_CON0, EPLL_CON0,
Save and restore top PLL related configuration registers for big (APLL) and LITTLE (KPLL) cores during suspend/resume cycle. So far, CPU clocks were reset to default values after suspend/resume cycle and performance after system resume was affected when performance governor has been selected. Fixes: 773424326b51 ("clk: samsung: exynos5420: add more registers to restore list") Signed-off-by: Marian Mihailescu <mihailescu2m@gmail.com> --- drivers/clk/samsung/clk-exynos5420.c | 2 ++ 1 file changed, 2 insertions(+)