netdev - Re: [PATCH net] net: phy: micrel: set soft_reset callback to genphy_soft

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Message-ID: <20210222190430.12ec4eda@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 22 Feb 2021 19:04:30 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Christian Melki <christian.melki@...ata.com>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] net: phy: micrel: set soft_reset callback to
 genphy_soft_reset for KSZ8081

On Thu, 18 Feb 2021 22:09:32 +0100 Christian Melki wrote:
> Following a similar reinstate for the KSZ9031.
> 
> Older kernels would use the genphy_soft_reset if the PHY did not 
> implement a .soft_reset.
> 
> Bluntly removing that default may expose a lot of situations where 
> various PHYs/board implementations won't recover on various changes.
> Like with implementation during a 4.9.x to 5.4.x LTS transition.
> I think it's a good thing to remove unwanted soft resets but wonder if 
> it did open a can of worms?
> 
> Atleast this fixes one iMX6 FEC/RMII/8081 combo.
> 
> Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
> Signed-off-by: Christian Melki <christian.melki@...ata.com>

Does not apply to net/master:

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/

Please rebase and resend.

Please make sure you CC maintainers and other relevant developers 
(you can use ./scripts/get_maintainers.pl $path_to_patch to find them).