Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:
On Thu, 10 Oct 2024 10:29:08 -0400 you wrote:
> The Tegra MGBE driver sometimes fails to initialize, reporting the
> following error, and as a result, it is unable to acquire an IP
> address with DHCP:
>
> tegra-mgbe 6800000.ethernet: timeout waiting for link to become ready
>
> As per the recommendation from the Tegra hardware design team, fix this
> issue by:
> - clearing the PHY_RDY bit before setting the CDR_RESET bit and then
> setting PHY_RDY bit before clearing CDR_RESET bit. This ensures valid
> data is present at UPHY RX inputs before starting the CDR lock.
> - adding the required delays when bringing up the UPHY lane. Note we
> need to use delays here because there is no alternative, such as
> polling, for these cases. Using the usleep_range() instead of ndelay()
> as sleeping is preferred over busy wait loop.
>
> [...]
Here is the summary with links:
- [V2] net: stmmac: dwmac-tegra: Fix link bring-up sequence
https://git.kernel.org/netdev/net/c/1cff6ff302f5
You are awesome, thank you!
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