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

2015-07-09 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 MAC side

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 1xQSGMII, we

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 - link

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