Re: [5/6] mvneta: implement SGMII-based in-band link state signaling

2015-07-09 Thread Stas Sergeev
09.07.2015 12:19, Thomas Petazzoni пишет: > Sebastien, Stas, > > On Thu, 9 Jul 2015 11:03:26 +0200 (CEST), Sebastien Rannou wrote: >> On Wed, 8 Jul 2015, Stas Sergeev wrote: >> >>> What is there? A phy chip, or something else? >> >> It's "something else", there's a phy which aggregates 4xSGMIIs to

Re: [5/6] mvneta: implement SGMII-based in-band link state signaling

2015-07-09 Thread Thomas Petazzoni
Sebastien, Stas, On Thu, 9 Jul 2015 11:03:26 +0200 (CEST), Sebastien Rannou wrote: > On Wed, 8 Jul 2015, Stas Sergeev wrote: > > > What is there? A phy chip, or something else? > > It's "something else", there's a phy which aggregates 4xSGMIIs to > 1xQSGMII, we are on the media side here, the MA

Re: [5/6] mvneta: implement SGMII-based in-band link state signaling

2015-07-09 Thread Sebastien Rannou
On Wed, 8 Jul 2015, Stas Sergeev wrote: > What is there? A phy chip, or something else? It's "something else", there's a phy which aggregates 4xSGMIIs to 1xQSGMII, we are on the media side here, the MAC side is connected to the switch through QSGMII. > Perhaps some DT property should be added to

Re: [5/6] mvneta: implement SGMII-based in-band link state signaling

2015-07-08 Thread Stas Sergeev
08.07.2015 19:30, Sebastien Rannou пишет: Hi Stas, On Fri, 27 Mar 2015, Stas Sergeev wrote: When MDIO bus is unavailable (common setup for SGMII), the in-band signaling must be used to correctly track link state. This patch enables the in-band status delivery and interrupts for links state cha

Re: [5/6] mvneta: implement SGMII-based in-band link state signaling

2015-07-08 Thread Sebastien Rannou
Hi Stas, On Fri, 27 Mar 2015, Stas Sergeev wrote: > When MDIO bus is unavailable (common setup for SGMII), the in-band > signaling must be used to correctly track link state. > This patch enables the in-band status delivery and interrupts for > links state changes, namely: > - link up/down > - li