Re: [PATCH RFC net-next 0/9] net: introduce Qualcomm XPCS support and add Nord Ethernet plumbing

[Mohd Ayaan Anwar]

Hi Maxime,

On Wed, Sep 23, 2026 at 11:41:14AM +0200, Maxime Chevallier wrote:
> Hi,
> 
> On 9/23/26 03:07, Mohd Ayaan Anwar wrote:
> > Hi,
> > 
> > This is an early RFC which adds the XPCS and ETHQOS plumbing required
> > to enable 10 Gigabit Ethernet on the Qualcomm Nord SoC. This is the
> > first time USXGMII together with an external PCS is being supported by
> > the dwmac-qcom-ethqos driver.
> 
> There are currently 3 in-flight series that adds glues to DW XPCS and stmmac: 
> 
> This one,
> The Rockchip one from Coia [1]
> The S32 one from Jan [2]
> 
> 
> [1] : https://lore.kernel.org/netdev/20260922200336.2201212-1-coiaprant@xxxxxxxxx/
> [2] : https://lore.kernel.org/netdev/20260919-s32g_serdes-v3-0-9d68868c1e89@xxxxxxxxxxx/
> 
> MAINTAINERS entry for XPCS says :
> 
> SYNOPSYS DESIGNWARE ETHERNET XPCS DRIVER
> L:      netdev@xxxxxxxxxxxxxxx          
> S:      Orphan                          
> F:      drivers/net/pcs/pcs-xpcs.c      
> F:      drivers/net/pcs/pcs-xpcs.h      
> F:      include/linux/pcs/pcs-xpcs.h    
> 
> It would nice if some of you could help maintain the core XPCS driver, and make sure
> these series aren't stepping on one another :( I personnaly don't have any XPCS HW
> for tests.
> 
> You don't have to do it alone, multiple people can co-maintain that :) Maybe
> Synopsys folks can also chime in ?
> 

Thank you for sharing these series, I can help review them based on my
understanding of this IP. Hope that helps.

	Ayaan