This is a note to let you know that I've just added the patch titled
net: dsa: vsc73xx: pass value in phy_write operation
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-dsa-vsc73xx-pass-value-in-phy_write-operation.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c77422334dcfb2435d06310f742a8ecd2a55ddb7
Author: Pawel Dembicki <paweldembicki@xxxxxxxxx>
Date: Fri Aug 9 21:38:03 2024 +0200
net: dsa: vsc73xx: pass value in phy_write operation
[ Upstream commit 5b9eebc2c7a5f0cc7950d918c1e8a4ad4bed5010 ]
In the 'vsc73xx_phy_write' function, the register value is missing,
and the phy write operation always sends zeros.
This commit passes the value variable into the proper register.
Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver")
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
Signed-off-by: Pawel Dembicki <paweldembicki@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c
index c7ff98c26ee39..a1dd82d25ce3c 100644
--- a/drivers/net/dsa/vitesse-vsc73xx-core.c
+++ b/drivers/net/dsa/vitesse-vsc73xx-core.c
@@ -531,7 +531,7 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum,
return 0;
}
- cmd = (phy << 21) | (regnum << 16);
+ cmd = (phy << 21) | (regnum << 16) | val;
ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd);
if (ret)
return ret;
