| Message ID | 1399307221-8659-3-git-send-email-a.kesavan@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Abhilash Kesavan wrote: > > From: Leela Krishna Amudala <leela.krishna@linaro.org> > > Use generic exynos cpu power control functions to power up/down > and to know the status of the cpu. > > Signed-off-by: Leela Krishna Amudala <leela.krishna@linaro.org> Same as previous comment. > --- > arch/arm/mach-exynos/platsmp.c | 9 +++------ > 1 file changed, 3 insertions(+), 6 deletions(-) > > diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach- > exynos/platsmp.c > index 0aac032..d442a66 100644 > --- a/arch/arm/mach-exynos/platsmp.c > +++ b/arch/arm/mach-exynos/platsmp.c > @@ -130,15 +130,12 @@ static int exynos_boot_secondary(unsigned int cpu, > struct task_struct *idle) > */ > write_pen_release(phys_cpu); > > - if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) { > - __raw_writel(S5P_CORE_LOCAL_PWR_EN, > - S5P_ARM_CORE1_CONFIGURATION); > - > + if (!exynos_cpu_power_state(cpu)) { > + exynos_cpu_powerup(cpu); > timeout = 10; > > /* wait max 10 ms until cpu1 is on */ > - while ((__raw_readl(S5P_ARM_CORE1_STATUS) > - & S5P_CORE_LOCAL_PWR_EN) != S5P_CORE_LOCAL_PWR_EN) { > + while (exynos_cpu_power_state(cpu) != S5P_CORE_LOCAL_PWR_EN) > { > if (timeout-- == 0) > break; > > -- You may cleanup the definitions of 'S5P_ARM_CORE1_CONFIGURATION/STATUS' in regs-pmu.h once hotplug.c uses the generic power control functions. - Kukjin -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Kukjin, On Tue, May 13, 2014 at 7:58 AM, Kukjin Kim <kgene.kim@samsung.com> wrote: > Abhilash Kesavan wrote: >> >> From: Leela Krishna Amudala <leela.krishna@linaro.org> >> >> Use generic exynos cpu power control functions to power up/down >> and to know the status of the cpu. >> >> Signed-off-by: Leela Krishna Amudala <leela.krishna@linaro.org> > > Same as previous comment. > >> --- >> arch/arm/mach-exynos/platsmp.c | 9 +++------ >> 1 file changed, 3 insertions(+), 6 deletions(-) >> >> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach- >> exynos/platsmp.c >> index 0aac032..d442a66 100644 >> --- a/arch/arm/mach-exynos/platsmp.c >> +++ b/arch/arm/mach-exynos/platsmp.c >> @@ -130,15 +130,12 @@ static int exynos_boot_secondary(unsigned int cpu, >> struct task_struct *idle) >> */ >> write_pen_release(phys_cpu); >> >> - if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) { >> - __raw_writel(S5P_CORE_LOCAL_PWR_EN, >> - S5P_ARM_CORE1_CONFIGURATION); >> - >> + if (!exynos_cpu_power_state(cpu)) { >> + exynos_cpu_powerup(cpu); >> timeout = 10; >> >> /* wait max 10 ms until cpu1 is on */ >> - while ((__raw_readl(S5P_ARM_CORE1_STATUS) >> - & S5P_CORE_LOCAL_PWR_EN) != S5P_CORE_LOCAL_PWR_EN) { >> + while (exynos_cpu_power_state(cpu) != S5P_CORE_LOCAL_PWR_EN) >> { >> if (timeout-- == 0) >> break; >> >> -- > > You may cleanup the definitions of 'S5P_ARM_CORE1_CONFIGURATION/STATUS' in > regs-pmu.h once hotplug.c uses the generic power control functions. OK, will re-post a new version rebased on your for-next branch soon. Regards, Abhilash > > - Kukjin > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 0aac032..d442a66 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -130,15 +130,12 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle) */ write_pen_release(phys_cpu); - if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) { - __raw_writel(S5P_CORE_LOCAL_PWR_EN, - S5P_ARM_CORE1_CONFIGURATION); - + if (!exynos_cpu_power_state(cpu)) { + exynos_cpu_powerup(cpu); timeout = 10; /* wait max 10 ms until cpu1 is on */ - while ((__raw_readl(S5P_ARM_CORE1_STATUS) - & S5P_CORE_LOCAL_PWR_EN) != S5P_CORE_LOCAL_PWR_EN) { + while (exynos_cpu_power_state(cpu) != S5P_CORE_LOCAL_PWR_EN) { if (timeout-- == 0) break;