[U-Boot] [PATCH] drivers: net: ldpaa_eth: check if the dpmac is enabled

[Prabhakar Kushwaha]

Dear Joe,

> -----Original Message-----
> From: Pankaj Bansal
> Sent: Friday, February 8, 2019 2:29 PM
> To: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
> Cc: u-boot at lists.denx.de; Pankaj Bansal <pankaj.bansal at nxp.com>
> Subject: [PATCH] drivers: net: ldpaa_eth: check if the dpmac is enabled
> 
> some dpmacs in armv8a based freescale layerscape SOCs can be configured
> via both serdes(sgmii, xfi, xlaui etc) bits and via
> EC*_PMUX(rgmii) bits in RCW.
> e.g. dpmac 17 and 18 in LX2160A can be configured as SGMII from serdes bits
> and as RGMII via EC1_PMUX/EC2_PMUX bits Now if a dpmac is enabled by
> serdes bits then it takes precedence over EC*_PMUX bits. i.e. in LX2160A if
> we select serdes protocol that configures dpmac17 as SGMII and set the
> EC1_PMUX as RGMII, then the dpmac is SGMII and not RGMII.
> 
> Therefore, in fsl_rgmii_init function of SOC, we will check if the dpmac is
> enabled or not? if it is (fsl_serdes_init has already enabled the dpmac), then
> don't enable it.
> 
> Signed-off-by: Pankaj Bansal <pankaj.bansal at nxp.com>
> ---
> 
> Notes:
>     Dependencies:
>     	- http://patchwork.ozlabs.org/patch/990131/
>     	- http://patchwork.ozlabs.org/patch/990093/
> 
>  drivers/net/ldpaa_eth/lx2160a.c | 4 ++--

Please let me know if you have any concern on this patch. 

I would like pull this patch via u-boot-fsl-qoriq repo..

--pk