[PATCH RFC net-next 1/3] net: stmmac: Prevent RGSMIIIS IRQs flood

Russell King (Oracle) linux at armlinux.org.uk
Tue May 28 03:24:30 PDT 2024


On Sat, May 25, 2024 at 12:02:57AM +0300, Serge Semin wrote:
> Without reading the GMAC_RGSMIIIS/MAC_PHYIF_Control_Status the IRQ line
> won't be de-asserted causing interrupt handler executed over and over. As
> a quick-fix let's just dummy-read the CSR for now.
> 
> Signed-off-by: Serge Semin <fancer.lancer at gmail.com>

I think it would make sense to merge these into the patches that do the
conversion to avoid a git bisect hitting on a patch that causes an
interrupt storm. Any objection?

(I'm now converting these two in separate patches, so would need to
split this patch...)

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!



More information about the linux-arm-kernel mailing list