From f8dbe58e2f1a3c091531b3f8ef86b393ceee67d1 Mon Sep 17 00:00:00 2001 From: Christophe Roullier Date: Mon, 1 Jul 2024 08:48:38 +0200 Subject: [PATCH] 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 Reviewed-by: Marek Vasut Tested-by: Mark Brown Signed-off-by: Paolo Abeni --- drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c | 6 ++++-- 1 file 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;