net: stmmac: dwmac4: clear LPI_CTRL_STATUS_LPITCSE too

Russell King (Oracle) · kuba-moo · commit a323ed92e40e · 2025-02-07T11:56:10.000-08:00
Ensure that LPI_CTRL_STATUS_LPITCSE is also appropriately cleared when disabling LPI or enabling LPI without TX clock gating. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/E1tffdx-003ZIZ-JQ@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -410,7 +410,7 @@ static int dwmac4_set_lpi_mode(struct mac_device_info *hw,
 	}
 
 	mask = LPI_CTRL_STATUS_LPIATE | LPI_CTRL_STATUS_LPIEN |
-	       LPI_CTRL_STATUS_LPITXA;
+	       LPI_CTRL_STATUS_LPITXA | LPI_CTRL_STATUS_LPITCSE;
 
 	value |= readl(ioaddr + GMAC4_LPI_CTRL_STATUS) & ~mask;
 	writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);

Original file line number	Diff line number	Diff line change
`@@ -410,7 +410,7 @@ static int dwmac4_set_lpi_mode(struct mac_device_info *hw,`
`410`	`410`	`}`
`411`	`411`
`412`	`412`	`mask = LPI_CTRL_STATUS_LPIATE \| LPI_CTRL_STATUS_LPIEN \|`
`413`		`- LPI_CTRL_STATUS_LPITXA;`
	`413`	`+ LPI_CTRL_STATUS_LPITXA \| LPI_CTRL_STATUS_LPITCSE;`
`414`	`414`
`415`	`415`	`value \|= readl(ioaddr + GMAC4_LPI_CTRL_STATUS) & ~mask;`
`416`	`416`	`writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);`