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stmmac: intel: Fix warning message for return value in intel_tsn_lane_is_available()

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Fix the warning "warn: missing error code? 'ret'" in the
intel_tsn_lane_is_available() function.

The function now returns 0 to indicate that a TSN lane was found and
returns -EINVAL when it is not found.

Fixes: a42f6b3f1c ("net: stmmac: configure SerDes according to the interface mode")
Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250310050835.808870-1-yong.liang.choong@linux.intel.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Choong Yong Liang
2025-03-10 13:08:35 +08:00
committed by Paolo Abeni
parent f2972ea162
commit 38f13bf801
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
View File

@@ -494,10 +494,10 @@ static int intel_tsn_lane_is_available(struct net_device *ndev,
if ((rbuf.buf[0] >>
(4 * (intel_priv->tsn_lane_regs[j] % 8)) &
B_PCH_FIA_PCR_L0O) == 0xB)
return ret;
return 0;
}
return ret;
return -EINVAL;
}
static int intel_set_reg_access(const struct pmc_serdes_regs *regs, int max_regs)