The FEC driver default treats irq[0] as wakeup source, but this situation
changed on i.MX8M SoCs, this patch adds support to select wakeup irq
source with "fsl,wakeup-irq" property.
Signed-off-by: Fugang Duan <fugang.duan@xxxxxxx>
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
drivers/net/ethernet/freescale/fec.h | 1 +
drivers/net/ethernet/freescale/fec_main.c | 15 +++++++++++----
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index ae3259164395..fe4dfe2d25ea 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -578,6 +578,7 @@ struct fec_enet_private {
bool bufdesc_ex;
int pause_flag;
int wol_flag;
+ int wake_irq;
u32 quirks;
struct napi_struct napi;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 1201c13afa6f..c422a309d33c 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2878,12 +2878,12 @@ fec_enet_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
device_set_wakeup_enable(&ndev->dev, wol->wolopts & WAKE_MAGIC);
if (device_may_wakeup(&ndev->dev)) {
fep->wol_flag |= FEC_WOL_FLAG_ENABLE;
- if (fep->irq[0] > 0)
- enable_irq_wake(fep->irq[0]);
+ if (fep->wake_irq > 0)
+ enable_irq_wake(fep->wake_irq);
} else {
fep->wol_flag &= (~FEC_WOL_FLAG_ENABLE);
- if (fep->irq[0] > 0)
- disable_irq_wake(fep->irq[0]);
+ if (fep->wake_irq > 0)
+ disable_irq_wake(fep->wake_irq);
}
return 0;
@@ -3935,6 +3935,13 @@ fec_probe(struct platform_device *pdev)
fep->irq[i] = irq;
}
+ /* Get wakeup irq */
+ ret = of_property_read_u32(np, "fsl,wakeup-irq", &irq);
+ if (!ret && irq >= 0 && irq < irq_cnt)
+ fep->wake_irq = fep->irq[irq];
+ else
+ fep->wake_irq = fep->irq[0];
+
ret = fec_enet_mii_init(pdev);
if (ret)
goto failed_mii_init;
--
2.17.1
