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authorChristophe Roullier <christophe.roullier@foss.st.com>2024-07-01 09:48:38 +0300
committerPaolo Abeni <pabeni@redhat.com>2024-07-02 16:47:13 +0300
commitf8dbe58e2f1a3c091531b3f8ef86b393ceee67d1 (patch)
tree51a70bea02cd20d629d28f49fcff0a614de52c89
parent3cd1d4651cebe9776a0142ade36ff9f2e3545436 (diff)
downloadlinux-f8dbe58e2f1a3c091531b3f8ef86b393ceee67d1.tar.xz
net: stmmac: dwmac-stm32: update err status in case different of stm32mp13
The mask parameter of syscfg property is mandatory for MP13 but optional for all other cases. The function should not return error code because for non-MP13 the missing syscfg phandle in DT is not considered an error. So reset err to 0 in that case to support existing DTs without syscfg phandle. Fixes: 50bbc0393114 ("net: stmmac: dwmac-stm32: add management of stm32mp13 for stm32") Signed-off-by: Christophe Roullier <christophe.roullier@foss.st.com> Reviewed-by: Marek Vasut <marex@denx.de> Tested-by: Mark Brown <broonie@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index d6a268237ca1..c1732955a697 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -435,10 +435,12 @@ static int stm32_dwmac_parse_data(struct stm32_dwmac *dwmac,
dwmac->mode_mask = SYSCFG_MP1_ETH_MASK;
err = of_property_read_u32_index(np, "st,syscon", 2, &dwmac->mode_mask);
if (err) {
- if (dwmac->ops->is_mp13)
+ if (dwmac->ops->is_mp13) {
dev_err(dev, "Sysconfig register mask must be set (%d)\n", err);
- else
+ } else {
dev_dbg(dev, "Warning sysconfig register mask not set\n");
+ err = 0;
+ }
}
return err;