Messages in this thread | | | Date | Tue, 28 Mar 2023 16:47:42 +0200 | From | Marek Behún <> | Subject | Re: [PATCH net] net: dsa: mv88e6xxx: Reset mv88e6393x watchdog register |
| |
On Tue, Mar 28, 2023 at 03:45:51PM +0200, Andrew Lunn wrote: > On Tue, Mar 28, 2023 at 03:34:03PM +0200, Gustav Ekelund wrote: > > > 1) Marvell has confirmed that 6393x (Amethyst) differs from 6390 (Peridot) > > with quote: “I tried this on my board and see G2 offset 0x1B index 12 bit 0 > > does not clear, I also tried doing a SWReset and the bit is still 1. I did > > try the same on a Peridot board and it clears as advertised.” > > > > 2) Marvell are not aware of any other stuck bits, but has confirmed that the > > WD event bits are not cleared on SW reset which is indeed contradictory to > > what the data sheet suggests. > > Hi Gustav > > Please expand the commit message with a summary of this > information. It answers the questions both Marek and i have been > asking, so deserves to be in the commit message. > > Andrew
Maybe also add a comment next to the code writing to the register, that this is due to an yet unreleased erratum on 6393x.
Marek
| |