Message ID | 1249899893-5795-1-git-send-email-premi@ti.com (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Kevin Hilman |
Headers | show |
On Mon, 10 Aug 2009, Sanjeev Premi wrote: > The argument 'mpurate' had no effect on the MPU > frequency. This patch fixes the same. Thanks, I'll plan to squeeze this into the .32 merge window, with a couple of minor changes described below. Please review the changes: > > Signed-off-by: Sanjeev Premi <premi@ti.com> > --- > arch/arm/mach-omap2/clock34xx.c | 14 ++++++++++---- > 1 files changed, 10 insertions(+), 4 deletions(-) > > diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c > index 045da92..0c62aad 100644 > --- a/arch/arm/mach-omap2/clock34xx.c > +++ b/arch/arm/mach-omap2/clock34xx.c > @@ -27,6 +27,7 @@ > #include <linux/limits.h> > #include <linux/bitops.h> > > +#include <mach/cpu.h> > #include <mach/clock.h> > #include <mach/sram.h> > #include <asm/div64.h> > @@ -948,13 +949,18 @@ static int __init omap2_clk_arch_init(void) > if (clk_set_rate(&virt_prcm_set, mpurate)) > printk(KERN_ERR "Could not find matching MPU rate\n"); > #endif The previous four lines (including the three above) have been removed from clock34xx.c. > + if (clk_set_rate(&dpll1_ck, mpurate)) > + printk(KERN_ERR "*** Unable to set MPU rate\n"); > + omap3_dpll_recalc(&dpll1_ck); I dropped the omap3_dpll_recalc(&dpll1_ck); since the following recalculate_root_clocks() should handle this. > recalculate_root_clocks(); > > - printk(KERN_INFO "Switched to new clocking rate (Crystal/DPLL3/MPU): " > + printk(KERN_INFO "Switched to new clocking rate (Crystal/Core/MPU): " > "%ld.%01ld/%ld/%ld MHz\n", > - (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10, > - (core_ck.rate / 1000000), (dpll1_fck.rate / 1000000)) ; > + (osc_sys_ck.rate / 1000000), ((osc_sys_ck.rate / 100000) % 10), > + (core_ck.rate / 1000000), (arm_fck.rate / 1000000)) ; > + > + calibrate_delay(); > > return 0; > } > @@ -1013,7 +1019,7 @@ int __init omap2_clk_init(void) > > recalculate_root_clocks(); > > - printk(KERN_INFO "Clocking rate (Crystal/DPLL/ARM core): " > + printk(KERN_INFO "Clocking rate (Crystal/Core/MPU): " > "%ld.%01ld/%ld/%ld MHz\n", > (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10, > (core_ck.rate / 1000000), (arm_fck.rate / 1000000)); > -- > 1.6.2.2 > - Paul -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
> -----Original Message----- > From: Paul Walmsley [mailto:paul@pwsan.com] > Sent: Monday, August 10, 2009 10:52 PM > To: Premi, Sanjeev > Cc: linux-omap@vger.kernel.org > Subject: Re: [PATCH] Fixed processing of bootarg 'mpurate' > > On Mon, 10 Aug 2009, Sanjeev Premi wrote: > > > The argument 'mpurate' had no effect on the MPU > > frequency. This patch fixes the same. > > Thanks, I'll plan to squeeze this into the .32 merge window, > with a couple > of minor changes described below. Please review the changes: > > > > > Signed-off-by: Sanjeev Premi <premi@ti.com> > > --- > > arch/arm/mach-omap2/clock34xx.c | 14 ++++++++++---- > > 1 files changed, 10 insertions(+), 4 deletions(-) > > > > diff --git a/arch/arm/mach-omap2/clock34xx.c > b/arch/arm/mach-omap2/clock34xx.c > > index 045da92..0c62aad 100644 > > --- a/arch/arm/mach-omap2/clock34xx.c > > +++ b/arch/arm/mach-omap2/clock34xx.c > > @@ -27,6 +27,7 @@ > > #include <linux/limits.h> > > #include <linux/bitops.h> > > > > +#include <mach/cpu.h> > > #include <mach/clock.h> > > #include <mach/sram.h> > > #include <asm/div64.h> > > @@ -948,13 +949,18 @@ static int __init omap2_clk_arch_init(void) > > if (clk_set_rate(&virt_prcm_set, mpurate)) > > printk(KERN_ERR "Could not find matching MPU rate\n"); > > #endif > > The previous four lines (including the three above) have been > removed from > clock34xx.c. [sp] That is fine. > > > + if (clk_set_rate(&dpll1_ck, mpurate)) > > + printk(KERN_ERR "*** Unable to set MPU rate\n"); > > + omap3_dpll_recalc(&dpll1_ck); > > I dropped the omap3_dpll_recalc(&dpll1_ck); since the following > recalculate_root_clocks() should handle this. [sp] Fine here too. > > > recalculate_root_clocks(); > > > > - printk(KERN_INFO "Switched to new clocking rate > (Crystal/DPLL3/MPU): " > > + printk(KERN_INFO "Switched to new clocking rate > (Crystal/Core/MPU): " > > "%ld.%01ld/%ld/%ld MHz\n", > > - (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / > 100000) % 10, > > - (core_ck.rate / 1000000), (dpll1_fck.rate / 1000000)) ; > > + (osc_sys_ck.rate / 1000000), ((osc_sys_ck.rate / > 100000) % 10), > > + (core_ck.rate / 1000000), (arm_fck.rate / 1000000)) ; > > + > > + calibrate_delay(); > > > > return 0; > > } > > @@ -1013,7 +1019,7 @@ int __init omap2_clk_init(void) > > > > recalculate_root_clocks(); > > > > - printk(KERN_INFO "Clocking rate (Crystal/DPLL/ARM core): " > > + printk(KERN_INFO "Clocking rate (Crystal/Core/MPU): " > > "%ld.%01ld/%ld/%ld MHz\n", > > (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / > 100000) % 10, > > (core_ck.rate / 1000000), (arm_fck.rate / 1000000)); > > -- > > 1.6.2.2 > > > > > - Paul > > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" 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-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index 045da92..0c62aad 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -27,6 +27,7 @@ #include <linux/limits.h> #include <linux/bitops.h> +#include <mach/cpu.h> #include <mach/clock.h> #include <mach/sram.h> #include <asm/div64.h> @@ -948,13 +949,18 @@ static int __init omap2_clk_arch_init(void) if (clk_set_rate(&virt_prcm_set, mpurate)) printk(KERN_ERR "Could not find matching MPU rate\n"); #endif + if (clk_set_rate(&dpll1_ck, mpurate)) + printk(KERN_ERR "*** Unable to set MPU rate\n"); + omap3_dpll_recalc(&dpll1_ck); recalculate_root_clocks(); - printk(KERN_INFO "Switched to new clocking rate (Crystal/DPLL3/MPU): " + printk(KERN_INFO "Switched to new clocking rate (Crystal/Core/MPU): " "%ld.%01ld/%ld/%ld MHz\n", - (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10, - (core_ck.rate / 1000000), (dpll1_fck.rate / 1000000)) ; + (osc_sys_ck.rate / 1000000), ((osc_sys_ck.rate / 100000) % 10), + (core_ck.rate / 1000000), (arm_fck.rate / 1000000)) ; + + calibrate_delay(); return 0; } @@ -1013,7 +1019,7 @@ int __init omap2_clk_init(void) recalculate_root_clocks(); - printk(KERN_INFO "Clocking rate (Crystal/DPLL/ARM core): " + printk(KERN_INFO "Clocking rate (Crystal/Core/MPU): " "%ld.%01ld/%ld/%ld MHz\n", (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10, (core_ck.rate / 1000000), (arm_fck.rate / 1000000));
The argument 'mpurate' had no effect on the MPU frequency. This patch fixes the same. Signed-off-by: Sanjeev Premi <premi@ti.com> --- arch/arm/mach-omap2/clock34xx.c | 14 ++++++++++---- 1 files changed, 10 insertions(+), 4 deletions(-)