Messages in this thread | | | Date | Wed, 08 May 2019 16:31:52 -0700 (PDT) | Subject | Re: [PATCH v4 0/2] net: phy: realtek: Fix RGMII TX/RX-delays initial config of rtl8211(e|f) | From | David Miller <> |
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From: Serge Semin <fancer.lancer@gmail.com> Date: Thu, 9 May 2019 00:51:13 +0300
> It has been discovered that RX/TX delays of rtl8211e ethernet PHY > can be configured via a MDIO register hidden in the extension pages > layout. Particularly the extension page 0xa4 provides a register 0x1c, > which bits 1 and 2 control the described delays. They are used to > implement the "rgmii-{id,rxid,txid}" phy-mode support in patch 1. > > The second patch makes sure the rtl8211f TX-delay is configured only > if RGMII interface mode is specified including the rgmii-rxid one. > In other cases (most importantly for NA mode) the delays are supposed > to be preconfigured by some other software or hardware and should be > left as is without any modification. The similar thing is also done > for rtl8211e in the patch 1 of this series. > > Signed-off-by: Serge Semin <fancer.lancer@gmail.com> > > Changelog v3 > - Add this cover-letter. > - Add Andrew' Reviewed-by tag to patch 1. > - Accept RGMII_RXID interface mode for rtl8211f and clear the TX_DELAY > bit in this case. > - Initialize ret variable with 0 to prevent the "may be used uninitialized" > warning in patch 1. > > Changelog v4 > - Rebase onto net-next
Series applied.
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