diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-1031-net-lan78xx-Ack-pending-PHY-ints-when-resetting.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-1031-net-lan78xx-Ack-pending-PHY-ints-when-resetting.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-1031-net-lan78xx-Ack-pending-PHY-ints-when-resetting.patch b/target/linux/bcm27xx/patches-5.4/950-1031-net-lan78xx-Ack-pending-PHY-ints-when-resetting.patch deleted file mode 100644 index 49d843d4d8..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-1031-net-lan78xx-Ack-pending-PHY-ints-when-resetting.patch +++ /dev/null @@ -1,32 +0,0 @@ -From 598d6389f41c1e01b70df7d8b1056c3839e0c1c2 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.com> -Date: Tue, 15 Dec 2020 16:38:37 +0000 -Subject: [PATCH] net: lan78xx: Ack pending PHY ints when resetting - -lan78xx_link_reset explicitly clears the MAC's view of the PHY's IRQ -status. In doing so it potentially leaves the PHY with a pending -interrupt that will never be acknowledged, at which point no further -interrupts will be generated. - -Avoid the problem by acknowledging any pending PHY interrupt after -clearing the MAC's status bit. - -See: https://github.com/raspberrypi/linux/issues/2937 - -Signed-off-by: Phil Elwell <phil@raspberrypi.com> ---- - drivers/net/usb/lan78xx.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/drivers/net/usb/lan78xx.c -+++ b/drivers/net/usb/lan78xx.c -@@ -1181,6 +1181,9 @@ static int lan78xx_link_reset(struct lan - if (unlikely(ret < 0)) - return -EIO; - -+ /* Acknowledge any pending PHY interrupt, lest it be the last */ -+ phy_read(phydev, LAN88XX_INT_STS); -+ - mutex_lock(&phydev->lock); - phy_read_status(phydev); - link = phydev->link; |