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Message-Id: <20211129195823.11766-3-kabel@kernel.org>
Date: Mon, 29 Nov 2021 20:58:19 +0100
From: Marek Behún <kabel@...nel.org>
To: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>
Cc: Russell King <rmk+kernel@...linux.org.uk>,
Jakub Kicinski <kuba@...nel.org>, davem@...emloft.net,
Marek Behún <kabel@...nel.org>
Subject: [PATCH net 2/6] net: dsa: mv88e6xxx: Drop unnecessary check in mv88e6393x_serdes_erratum_4_6()
The check for lane is unnecessary, since the function is called only
with allowed lane argument.
Signed-off-by: Marek Behún <kabel@...nel.org>
---
drivers/net/dsa/mv88e6xxx/serdes.c | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 0658ee3b014c..3a6244596a67 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -1284,26 +1284,20 @@ static int mv88e6393x_serdes_erratum_4_6(struct mv88e6xxx_chip *chip, int lane)
* It seems that after this workaround the SERDES is automatically
* powered up (the bit is cleared), so power it down.
*/
- if (lane == MV88E6393X_PORT0_LANE || lane == MV88E6393X_PORT9_LANE ||
- lane == MV88E6393X_PORT10_LANE) {
- err = mv88e6390_serdes_read(chip, lane,
- MDIO_MMD_PHYXS,
- MV88E6393X_SERDES_POC, ®);
- if (err)
- return err;
+ err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
+ MV88E6393X_SERDES_POC, ®);
+ if (err)
+ return err;
- reg &= ~MV88E6393X_SERDES_POC_PDOWN;
- reg |= MV88E6393X_SERDES_POC_RESET;
+ reg &= ~MV88E6393X_SERDES_POC_PDOWN;
+ reg |= MV88E6393X_SERDES_POC_RESET;
- err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
- MV88E6393X_SERDES_POC, reg);
- if (err)
- return err;
-
- return mv88e6390_serdes_power_sgmii(chip, lane, false);
- }
+ err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
+ MV88E6393X_SERDES_POC, reg);
+ if (err)
+ return err;
- return 0;
+ return mv88e6390_serdes_power_sgmii(chip, lane, false);
}
int mv88e6393x_serdes_setup_errata(struct mv88e6xxx_chip *chip)
--
2.32.0
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