net: ethernet: stmmac: manage the get_irq probe defer case

Manage the -EPROBE_DEFER error case for "stm32_pwr_wakeup"  IRQ.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index 062a600fa5a76310571f9aa6db84639c81546c09..21428537e231490db23f5ce539a95e15367ec6ed 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -333,6 +333,9 @@ static int stm32mp1_parse_data(struct stm32_dwmac *dwmac,
         */
        dwmac->irq_pwr_wakeup = platform_get_irq_byname(pdev,
                                                        "stm32_pwr_wakeup");
+       if (dwmac->irq_pwr_wakeup == -EPROBE_DEFER)
+               return -EPROBE_DEFER;
+
        if (!dwmac->clk_eth_ck && dwmac->irq_pwr_wakeup >= 0) {
                err = device_init_wakeup(&pdev->dev, true);
                if (err) {