linux-kernel - [PATCH net-next v4 7/9] net: stmmac: platform: support parsing safety irqs from DT

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Message-Id: <20230816152926.4093-8-jszhang@kernel.org>
Date:   Wed, 16 Aug 2023 23:29:24 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH net-next v4 7/9] net: stmmac: platform: support parsing safety irqs from DT

The snps dwmac IP may support safety features, and those Safety
Feature Correctible Error and Uncorrectible Error irqs may be
separate irqs. Add support to parse the safety irqs from DT.

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
Acked-by: Alexandre TORGUE <alexandre.torgue@...s.st.com>
---
 .../net/ethernet/stmicro/stmmac/stmmac_platform.c    | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index be8e79c7aa34..4a2002eea870 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -737,6 +737,18 @@ int stmmac_get_platform_resources(struct platform_device *pdev,
 		dev_info(&pdev->dev, "IRQ eth_lpi not found\n");
 	}
 
+	stmmac_res->sfty_ce_irq = platform_get_irq_byname_optional(pdev, "sfty_ce");
+	if (stmmac_res->sfty_ce_irq < 0) {
+		if (stmmac_res->sfty_ce_irq == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+	}
+
+	stmmac_res->sfty_ue_irq = platform_get_irq_byname_optional(pdev, "sfty_ue");
+	if (stmmac_res->sfty_ue_irq < 0) {
+		if (stmmac_res->sfty_ue_irq == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+	}
+
 	stmmac_res->addr = devm_platform_ioremap_resource(pdev, 0);
 
 	return PTR_ERR_OR_ZERO(stmmac_res->addr);
-- 
2.40.1