RE: [EXT] Re: [PATCH net-next 10/13] net: mvpp2: reset the XPCS while reconfiguring the serdes lanes

2019-02-18 Thread Stefan Chulski
hevall...@bootlin.com; > gregory.clem...@bootlin.com; miquel.ray...@bootlin.com; Nadav Haklai > ; Yan Markman ; > m...@semihalf.com > Subject: Re: [EXT] Re: [PATCH net-next 10/13] net: mvpp2: reset the XPCS > while reconfiguring the serdes lanes > > Hi Stefan, > >

Re: [EXT] Re: [PATCH net-next 10/13] net: mvpp2: reset the XPCS while reconfiguring the serdes lanes

2019-02-18 Thread Russell King - ARM Linux admin
Hi Stefan, On Mon, Feb 18, 2019 at 11:08:34AM +, Stefan Chulski wrote: > HW recommendation upon Serdes reconfiguration are the following: > > 1. Disable port(CTRL0_REG - in XLG/GMAC) > 2. Put port in reset (both XLG/GMAC) > 3. For KR - put in reset MPCS (MAC control clock, RX SD clock, TX SD

RE: [EXT] Re: [PATCH net-next 10/13] net: mvpp2: reset the XPCS while reconfiguring the serdes lanes

2019-02-18 Thread Stefan Chulski
hevall...@bootlin.com; > gregory.clem...@bootlin.com; miquel.ray...@bootlin.com; Nadav Haklai > ; Stefan Chulski ; Yan > Markman ; m...@semihalf.com > Subject: [EXT] Re: [PATCH net-next 10/13] net: mvpp2: reset the XPCS while > reconfiguring