diff mbox

[RESEND] ARM: EXYNOS: Do not calculate boot address twice

Message ID 1403783163-28638-1-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Krzysztof Kozlowski June 26, 2014, 11:46 a.m. UTC
Commit b3205dea8fbf ("ARM: EXYNOS: Map SYSRAM through generic DT
bindings") introduced local variable boot_reg where boot address from
cpu_boot_reg() call is stored. Re-use it instead calling cpu_boot_reg()
again.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
 arch/arm/mach-exynos/platsmp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Sachin Kamat June 26, 2014, 11:51 a.m. UTC | #1
Hi Krzysztof,

On Thu, Jun 26, 2014 at 5:16 PM, Krzysztof Kozlowski
<k.kozlowski@samsung.com> wrote:
> Commit b3205dea8fbf ("ARM: EXYNOS: Map SYSRAM through generic DT
> bindings") introduced local variable boot_reg where boot address from
> cpu_boot_reg() call is stored. Re-use it instead calling cpu_boot_reg()
> again.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---

Thanks for the patch.
Reviewed-by: Sachin Kamat <sachin.kamat@samsung.com>

Regards,
Sachin.
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Kim Kukjin July 4, 2014, 8:41 a.m. UTC | #2
Krzysztof Kozlowski wrote:
> 
> Commit b3205dea8fbf ("ARM: EXYNOS: Map SYSRAM through generic DT
> bindings") introduced local variable boot_reg where boot address from
> cpu_boot_reg() call is stored. Re-use it instead calling cpu_boot_reg()
> again.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---
>  arch/arm/mach-exynos/platsmp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
> index 1c8d31e39520..55ed2e6729c5 100644
> --- a/arch/arm/mach-exynos/platsmp.c
> +++ b/arch/arm/mach-exynos/platsmp.c
> @@ -155,7 +155,7 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
>  				ret = PTR_ERR(boot_reg);
>  				goto fail;
>  			}
> -			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
> +			__raw_writel(boot_addr, boot_reg);
>  		}
> 
>  		call_firmware_op(cpu_boot, phys_cpu);
> @@ -242,7 +242,7 @@ static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
> 
>  			if (IS_ERR(boot_reg))
>  				break;
> -			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
> +			__raw_writel(boot_addr, boot_reg);
>  		}
>  	}
>  }
> --
> 1.9.1

Oh, good catch. will apply :-)

Thanks,
Kukjin

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Krzysztof Kozlowski Sept. 1, 2014, 8:39 a.m. UTC | #3
On pi?, 2014-07-04 at 17:41 +0900, Kukjin Kim wrote:
> Krzysztof Kozlowski wrote:
> > 
> > Commit b3205dea8fbf ("ARM: EXYNOS: Map SYSRAM through generic DT
> > bindings") introduced local variable boot_reg where boot address from
> > cpu_boot_reg() call is stored. Re-use it instead calling cpu_boot_reg()
> > again.
> > 
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> > ---
> >  arch/arm/mach-exynos/platsmp.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
> > index 1c8d31e39520..55ed2e6729c5 100644
> > --- a/arch/arm/mach-exynos/platsmp.c
> > +++ b/arch/arm/mach-exynos/platsmp.c
> > @@ -155,7 +155,7 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
> >  				ret = PTR_ERR(boot_reg);
> >  				goto fail;
> >  			}
> > -			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
> > +			__raw_writel(boot_addr, boot_reg);
> >  		}
> > 
> >  		call_firmware_op(cpu_boot, phys_cpu);
> > @@ -242,7 +242,7 @@ static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
> > 
> >  			if (IS_ERR(boot_reg))
> >  				break;
> > -			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
> > +			__raw_writel(boot_addr, boot_reg);
> >  		}
> >  	}
> >  }
> > --
> > 1.9.1
> 
> Oh, good catch. will apply :-)

Hi Kukjin,

I cannot find this patch in your tree or in next. Did you applied this? 

Best regards,
Krzysztof


> Thanks,
> Kukjin

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diff mbox

Patch

diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 1c8d31e39520..55ed2e6729c5 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -155,7 +155,7 @@  static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
 				ret = PTR_ERR(boot_reg);
 				goto fail;
 			}
-			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
+			__raw_writel(boot_addr, boot_reg);
 		}
 
 		call_firmware_op(cpu_boot, phys_cpu);
@@ -242,7 +242,7 @@  static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
 
 			if (IS_ERR(boot_reg))
 				break;
-			__raw_writel(boot_addr, cpu_boot_reg(phys_cpu));
+			__raw_writel(boot_addr, boot_reg);
 		}
 	}
 }