linux-kernel - [PATCH AUTOSEL 5.4 15/15] net: stmmac: dwmac-sun8i: use return val of readl_poll

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Date:   Thu,  3 Feb 2022 15:35:45 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jisheng Zhang <jszhang@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>, peppe.cavallaro@...com,
        alexandre.torgue@...s.st.com, joabreu@...opsys.com,
        kuba@...nel.org, mcoquelin.stm32@...il.com, mripard@...nel.org,
        wens@...e.org, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: [PATCH AUTOSEL 5.4 15/15] net: stmmac: dwmac-sun8i: use return val of readl_poll_timeout()

From: Jisheng Zhang <jszhang@...nel.org>

[ Upstream commit 9e0db41e7a0b6f1271cbcfb16dbf5b8641b4e440 ]

When readl_poll_timeout() timeout, we'd better directly use its return
value.

Before this patch:
[    2.145528] dwmac-sun8i: probe of 4500000.ethernet failed with error -14

After this patch:
[    2.138520] dwmac-sun8i: probe of 4500000.ethernet failed with error -110

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 2f6258ca95155..7c73d296b940d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -718,7 +718,7 @@ static int sun8i_dwmac_reset(struct stmmac_priv *priv)
 
 	if (err) {
 		dev_err(priv->device, "EMAC reset timeout\n");
-		return -EFAULT;
+		return err;
 	}
 	return 0;
 }
-- 
2.34.1