netdev - Re: [PATCH] net: fec: forbid FEC_PTP on SoCs that do not support

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Date:	Tue, 18 Dec 2012 21:12:01 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	<netdev@...r.kernel.org>
CC:	Sascha Hauer <s.hauer@...gutronix.de>,
	Richard Cochran <richardcochran@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Frank Li <Frank.Li@...escale.com>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] net: fec: forbid FEC_PTP on SoCs that do not support

Misspelled Frank's email address.  Copy him.  Sorry.

On Tue, Dec 18, 2012 at 09:06:44PM +0800, Shawn Guo wrote:
> Beside imx6q, the kernel built from imx_v6_v7_defconfig is also
> supposed to be running on other IMX SoCs that do not have the PTP
> block.  Before fec driver gets fixed to run-time detect target hardware
> rather than conditional compiling with #ifdef CONFIG_FEC_PTP, let's
> give it a quick fix in Kconfig to forbid FEC_PTP on those IMX SoCs that
> do not support PTP.
> 
> Reported-by: Sascha Hauer <s.hauer@...gutronix.de>
> Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
> ---
>  drivers/net/ethernet/freescale/Kconfig |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
> index 5ba6e1c..ec490d7 100644
> --- a/drivers/net/ethernet/freescale/Kconfig
> +++ b/drivers/net/ethernet/freescale/Kconfig
> @@ -94,9 +94,8 @@ config GIANFAR
>  
>  config FEC_PTP
>  	bool "PTP Hardware Clock (PHC)"
> -	depends on FEC && ARCH_MXC
> +	depends on FEC && ARCH_MXC && !SOC_IMX25 && !SOC_IMX27 && !SOC_IMX35 && !SOC_IMX5
>  	select PTP_1588_CLOCK
> -	default y if SOC_IMX6Q
>  	--help---
>  	  Say Y here if you want to use PTP Hardware Clock (PHC) in the
>  	  driver.  Only the basic clock operations have been implemented.
> -- 
> 1.7.9.5
> 
> 

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