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SubjectRe: [PATCH net 2/2] net: pcs: xpcs: actively unset DW_VR_MII_DIG_CTRL1_2G5_EN for 1G SGMII
On Tue, Jan 14, 2025 at 06:47:21PM +0200, Vladimir Oltean wrote:
> xpcs_config_2500basex() sets DW_VR_MII_DIG_CTRL1_2G5_EN, but
> xpcs_config_aneg_c37_sgmii() never unsets it. So, on a protocol change
> from 2500base-x to sgmii, the DW_VR_MII_DIG_CTRL1_2G5_EN bit will remain
> set.
>
> Fixes: f27abde3042a ("net: pcs: add 2500BASEX support for Intel mGbE controller")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Thanks!

I wonder whether, now that we have in-band capabilities, and thus
phylink knows whether AN should be enabled or not, whether we can
simplify all these different config functions and rely on the
neg_mode from phylink to configure in-band appropriately.

--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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