Thread (5 messages) 5 messages, 4 authors, 2022-05-01

Re: [PATCH net-next] net: phy: marvell: update abilities and advertising when switching to SGMII

From: patchwork-bot+netdevbpf@kernel.org
Date: 2022-05-01 11:10:18

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller [off-list ref]:

On Wed, 27 Apr 2022 13:39:28 -0600 you wrote:
With some SFP modules, such as Finisar FCLF8522P2BTL, the PHY hardware
strapping defaults to 1000BaseX mode, but the kernel prefers to set them
for SGMII mode. When this happens and the PHY is soft reset, the BMSR
status register is updated, but this happens after the kernel has already
read the PHY abilities during probing. This results in support not being
detected for, and the PHY not advertising support for, 10 and 100 Mbps
modes, preventing the link from working with a non-gigabit link partner.

[...]
Here is the summary with links:
  - [net-next] net: phy: marvell: update abilities and advertising when switching to SGMII
    https://git.kernel.org/netdev/net-next/c/0ed99ecc95b9

You are awesome, thank you!
-- 
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