linux-kernel - [PATCH] net: ethernet: stmmac: manage the get

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Message-ID: <1556098549-18385-1-git-send-email-fabien.dessenne@st.com>
Date:   Wed, 24 Apr 2019 11:35:49 +0200
From:   Fabien Dessenne <fabien.dessenne@...com>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Christophe Roullier <christophe.roullier@...com>,
        <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...com>
Subject: [PATCH] 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@...com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index 062a600f..2142853 100644
--- 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) {
-- 
2.7.4