Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Sat, 5 Feb 2022 23:39:32 +0300 you wrote:
> It is mandatory for a software to issue a reset upon modifying RGMII
> Receive Timing Control and RGMII Transmit Timing Control bit fields of MAC
> Specific Control register 2 (page 2, register 21) otherwise the changes
> won't be perceived by the PHY (the same is applicable for a lot of other
> registers). Not setting the RGMII delays on the platforms that imply it'
> being done on the PHY side will consequently cause the traffic loss. We
> discovered that the denoted soft-reset is missing in the
> m88e1121_config_aneg() method for the case if the RGMII delays are
> modified but the MDIx polarity isn't changed or the auto-negotiation is
> left enabled, thus causing the traffic loss on our platform with Marvell
> Alaska 88E1510 installed. Let's fix that by issuing the soft-reset if the
> delays have been actually set in the m88e1121_config_aneg_rgmii_delays()
> method.
>
> [...]
Here is the summary with links:
- [net,v2] net: phy: marvell: Fix RGMII Tx/Rx delays setting in 88e1121-compatible PHYs
https://git.kernel.org/netdev/net/c/fe4f57bf7b58
You are awesome, thank you!
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