net: dsa: mv88e6xxx : linux v5.4 crash

2020-12-03 Thread Alayev Michael
Hi Andrew, > So either of_phy_is_fixed_link(np) is returning false, or of_node_get(np) > returns NULL. > You need to do some debugging and figure out which and why. I did some testing and debugging as you suggested. To remind you, my device tree is: &gem0 { status = "okay"; fixed-l

RE: net: dsa: mv88e6xxx : linux v5.4 crash

2020-11-29 Thread Alayev Michael
Hi Andrew, Your last reply is attached bellow. > So either of_phy_is_fixed_link(np) is returning false, or of_node_get(np) > returns NULL. > You need to do some debugging and figure out which and why. I did some testing as you suggested. zynq-7000 switch1 switch2 (cpu) mv88e

net: dsa: mv88e6xxx : linux v5.4 crash

2020-11-05 Thread Alayev Michael
Hello Andrew, This is my system's network topology. It relies on Xilinx's Zynq-7000 soc. zynq-7000 switch0 switch1 (cpu) mv88e6390xmv88e6390x --- - - | || | | | | gem0|--|p0 p10|-

RE: DTS for our Configuration

2018-03-22 Thread Alayev Michael
Hi Andrew, >I think this is a problem with the macb driver. To me, it looks like you are >going to have to >make some changes to the driver to make this work. Normally >the MDIO bus children are >placed within a container node, often called >'mdio-bus' or simply 'mdio'. See for example >>Docum

Recall: DTS for our Configuration

2018-03-20 Thread Alayev Michael
Alayev Michael would like to recall the message, "DTS for our Configuration". *** Please consider the environment before printing this email ! The information contained in this communication is p

RE: DTS for our Configuration

2018-03-19 Thread Alayev Michael
etected properly. It should be device id mv88e1510. Please advise how to continue from here. Regards, Michael Alayev -Original Message- From: Dror Alon Sent: Sunday, March 18, 2018 8:16 AM To: Alayev Michael Subject: FW: DTS for our Configuration -Original Message- From: Andr

RE: dsa with 2 rgmii channels (1st is 2 switches & 2nd is phy)

2018-03-09 Thread Alayev Michael
@lunn.ch] Sent: Monday, March 05, 2018 4:15 PM To: Alayev Michael Cc: 'netdev@vger.kernel.org'; Dror Alon; Efter Yoram Subject: Re: dsa with 2 rgmii channels (1st is 2 switches & 2nd is phy) On Mon, Mar 05, 2018 at 01:12:43PM +, Alayev Michael wrote: > Hello Andrew, > >

RE: dsa with 2 rgmii channels (1st is 2 switches & 2nd is phy)

2018-03-05 Thread Alayev Michael
Hello Andrew, I've noticed that my device model is mv88e6390x and not mv88e6352 as I wrote before. What is the compatibility value for it? Regards, Michael -Original Message- From: Andrew Lunn [mailto:and...@lunn.ch] Sent: Sunday, March 04, 2018 5:31 PM To: Alayev Michael Cc: &#