linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: mach-imx: convert logical CPU numbers to physical numbers
Date: Fri, 11 Nov 2011 10:29:25 +0100	[thread overview]
Message-ID: <20111111092925.GM16886@pengutronix.de> (raw)
In-Reply-To: <1320762894-11824-2-git-send-email-will.deacon@arm.com>

On Tue, Nov 08, 2011 at 02:34:53PM +0000, Will Deacon wrote:
> This patch uses the new cpu_logical_map() macro for converting logical
> CPU numbers into physical numbers when releasing CPUs during the SMP
> boot and CPU hotplug paths.

Shawn, is this one ok?

Sascha

> 
> Cc: Sascha Hauer <s.hauer@pengutronix.de>
> Cc: Shawn Guo <shawn.guo@linaro.org>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
> ---
>  arch/arm/mach-imx/src.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c
> index 36cacbd..63ba593 100644
> --- a/arch/arm/mach-imx/src.c
> +++ b/arch/arm/mach-imx/src.c
> @@ -14,6 +14,7 @@
>  #include <linux/io.h>
>  #include <linux/of.h>
>  #include <linux/of_address.h>
> +#include <linux/smp.h>
>  #include <asm/unified.h>
>  
>  #define SRC_SCR				0x000
> @@ -27,6 +28,7 @@ void imx_enable_cpu(int cpu, bool enable)
>  {
>  	u32 mask, val;
>  
> +	cpu = cpu_logical_map(cpu);
>  	mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1);
>  	val = readl_relaxed(src_base + SRC_SCR);
>  	val = enable ? val | mask : val & ~mask;
> @@ -35,6 +37,7 @@ void imx_enable_cpu(int cpu, bool enable)
>  
>  void imx_set_cpu_jump(int cpu, void *jump_addr)
>  {
> +	cpu = cpu_logical_map(cpu);
>  	writel_relaxed(BSYM(virt_to_phys(jump_addr)),
>  		       src_base + SRC_GPR1 + cpu * 8);
>  }
> -- 
> 1.7.4.1
> 
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

  reply	other threads:[~2011-11-11  9:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-08 14:34 [PATCH 0/2] cpu_logical_map updates for newly merged platforms Will Deacon
2011-11-08 14:34 ` [PATCH 1/2] ARM: mach-imx: convert logical CPU numbers to physical numbers Will Deacon
2011-11-11  9:29   ` Sascha Hauer [this message]
2011-11-11 10:08     ` Will Deacon
2011-11-11 10:56       ` Will Deacon
2011-11-11 13:07         ` Shawn Guo
2011-11-11 13:41           ` Will Deacon
2011-11-11 23:07             ` Shawn Guo
2011-11-08 14:34 ` [PATCH 2/2] ARM: highbank: " Will Deacon
2011-11-08 15:59   ` Rob Herring
2011-11-08 16:10     ` Will Deacon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20111111092925.GM16886@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).