linux-kernel - Re: [PATCH] PCDP: use early_ioremap/early

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Date:	Thu, 19 Jul 2012 09:27:54 -0600
From:	Khalid Aziz <khalid.aziz@...com>
To:	Greg Pearson <greg.pearson@...com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCDP: use early_ioremap/early_iounmap to access pcdp
 table

On Wed, 2012-07-18 at 16:19 -0600, Greg Pearson wrote:
> Signed-off-by: Greg Pearson <greg.pearson@...com>
> ---
>  drivers/firmware/pcdp.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c
> index 51e0e2d..a330492 100644
> --- a/drivers/firmware/pcdp.c
> +++ b/drivers/firmware/pcdp.c
> @@ -95,7 +95,7 @@ efi_setup_pcdp_console(char *cmdline)
>  	if (efi.hcdp == EFI_INVALID_TABLE_ADDR)
>  		return -ENODEV;
>  
> -	pcdp = ioremap(efi.hcdp, 4096);
> +	pcdp = early_ioremap(efi.hcdp, 4096);
>  	printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, efi.hcdp);
>  
>  	if (strstr(cmdline, "console=hcdp")) {
> @@ -131,6 +131,6 @@ efi_setup_pcdp_console(char *cmdline)
>  	}
>  
>  out:
> -	iounmap(pcdp);
> +	early_iounmap(pcdp, 4096);
>  	return rc;
>  }

This looks good to me.

Acked-by: Khalid Aziz <khalid.aziz@...com>

-- 
Khalid Aziz <khalid.aziz@...com>

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