Patchwork [[PATCH,v2] ARM: i.MX: initialize l2x0 at early_init time

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Submitter Jason Liu
Date Aug. 26, 2011, 2:44 a.m.
Message ID <1314326654-19128-1-git-send-email-jason.hui@linaro.org>
Download mbox | patch
Permalink /patch/111700/
State New
Headers show

Comments

Jason Liu - Aug. 26, 2011, 2:44 a.m.
This can make the l2 cache work at early time which
will benefit the boot up time.

Tested on i.mx31pdk board, test result shows:

Before: arch_initcall(mxc_init_l2x0);

[    0.558755] console [ttymxc0] enabled

After: early_initcall(mxc_init_l2x0);

[    0.555716] console [ttymxc0] enabled

Signed-off-by: Jason Liu <jason.hui@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/cache-l2x0.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
Sascha Hauer - Aug. 26, 2011, 8:18 a.m.
On Fri, Aug 26, 2011 at 10:44:14AM +0800, Jason Liu wrote:
> This can make the l2 cache work at early time which
> will benefit the boot up time.
> 
> Tested on i.mx31pdk board, test result shows:
> 
> Before: arch_initcall(mxc_init_l2x0);
> 
> [    0.558755] console [ttymxc0] enabled
> 
> After: early_initcall(mxc_init_l2x0);
> 
> [    0.555716] console [ttymxc0] enabled
> 
> Signed-off-by: Jason Liu <jason.hui@linaro.org>

Applied for next.

Sascha

> Cc: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  arch/arm/mach-imx/cache-l2x0.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/cache-l2x0.c b/arch/arm/mach-imx/cache-l2x0.c
> index 69d1322..e5538a4 100644
> --- a/arch/arm/mach-imx/cache-l2x0.c
> +++ b/arch/arm/mach-imx/cache-l2x0.c
> @@ -53,4 +53,4 @@ static int mxc_init_l2x0(void)
>  
>  	return 0;
>  }
> -arch_initcall(mxc_init_l2x0);
> +early_initcall(mxc_init_l2x0);
> -- 
> 1.7.4.1
> 
> 
>

Patch

diff --git a/arch/arm/mach-imx/cache-l2x0.c b/arch/arm/mach-imx/cache-l2x0.c
index 69d1322..e5538a4 100644
--- a/arch/arm/mach-imx/cache-l2x0.c
+++ b/arch/arm/mach-imx/cache-l2x0.c
@@ -53,4 +53,4 @@  static int mxc_init_l2x0(void)
 
 	return 0;
 }
-arch_initcall(mxc_init_l2x0);
+early_initcall(mxc_init_l2x0);