[PATCH net-next v3 08/10] net: stmmac: platform: support parsing safety irqs from DT

From: Jisheng Zhang
Date: Wed Aug 09 2023 - 13:02:36 EST


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@xxxxxxxxxx>
---
.../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 23d53ea04b24..29145682b57b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -738,6 +738,18 @@ 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