[PATCH RFC 4/4] stmmac: s32: enable multi irqs mode
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STALE274d
SUPERSEDED
From: Jan Petrous via B4 Relay <devnull+jan.petrous.oss.nxp.com@kernel.org>
Date: 2025-12-14 22:15:53
Also in:
b4-sent, imx, linux-arm-kernel, linux-devicetree, lkml
Subsystem:
arm/nxp s32g/s32r dwmac ethernet driver, networking drivers, stmmac ethernet driver, the rest · Maintainers:
Jan Petrous, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
Revision rfc of 12 in this series.
Revisions (12)
From: "Jan Petrous (OSS)" <jan.petrous@oss.nxp.com> Signalize support for multi irq mode. From now, if yoused old DT node, without channel IRQs set, the driver fails to init with the following error: [4.925420] s32-dwmac 4033c000.ethernet eth0: stmmac_request_irq_multi_msi: alloc rx-0 MSI -6 (error: -22) Signed-off-by: Jan Petrous (OSS) <jan.petrous@oss.nxp.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c
index 5a485ee98fa7..284e2067a00b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c@@ -2,7 +2,7 @@ /* * NXP S32G/R GMAC glue layer * - * Copyright 2019-2024 NXP + * Copyright 2019-2025 NXP * */
@@ -149,6 +149,7 @@ static int s32_dwmac_probe(struct platform_device *pdev) plat->core_type = DWMAC_CORE_GMAC4; plat->pmt = 1; plat->flags |= STMMAC_FLAG_SPH_DISABLE; + plat->flags |= STMMAC_FLAG_MULTI_MSI_EN; plat->rx_fifo_size = 20480; plat->tx_fifo_size = 20480;
--
2.47.0