Re: [PATCH net v2] net: dsa: mv88e6xxx: 88E6191X and 88E6193X have no PTP

From: patchwork-bot+netdevbpf

Date: Wed Sep 23 2026 - 21:51:43 EST


Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Mon, 21 Sep 2026 05:56:29 +0200 you wrote:
> From: Nicolo Giuliani <nicolo.giuliani6@xxxxxxxxxxxxxxx>
>
> The 88E6191X and 88E6193X are 6393 family devices that share
> mv88e6393x_ops with the 88E6393X and are marked as ptp_support. Marvell's
> UMSD driver describes both as parts without AVB (88E6193X: "BGA package -
> No AVB, No Routing, No Cut-through"), and the register access confirms it
> on an 88E6193X: the whole indirect AVB register space behind Global 2
> registers 0x16 and 0x17 reads zero, for every port, block and address,
> with the 6390 and with the 6352 command encoding. Writes to the TAI
> registers, including the clock period register and the TAI global
> configuration register, read back as zero.
>
> [...]

Here is the summary with links:
- [net,v2] net: dsa: mv88e6xxx: 88E6191X and 88E6193X have no PTP
https://git.kernel.org/netdev/net/c/6b491af01aa5

You are awesome, thank you!
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