diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/target/linux/generic/backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch b/target/linux/generic/backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch deleted file mode 100644 index 26e9ae3bcd..0000000000 --- a/target/linux/generic/backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch +++ /dev/null @@ -1,45 +0,0 @@ -From e7731194fdf085f46d58b1adccfddbd0dfee4873 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 7 Jul 2023 08:53:25 +0200 -Subject: [PATCH] net: bgmac: postpone turning IRQs off to avoid SoC hangs -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Turning IRQs off is done by accessing Ethernet controller registers. -That can't be done until device's clock is enabled. It results in a SoC -hang otherwise. - -This bug remained unnoticed for years as most bootloaders keep all -Ethernet interfaces turned on. It seems to only affect a niche SoC -family BCM47189. It has two Ethernet controllers but CFE bootloader uses -only the first one. - -Fixes: 34322615cbaa ("net: bgmac: Mask interrupts during probe") -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Reviewed-by: Michal Kubiak <michal.kubiak@intel.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/ethernet/broadcom/bgmac.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/drivers/net/ethernet/broadcom/bgmac.c -+++ b/drivers/net/ethernet/broadcom/bgmac.c -@@ -1492,8 +1492,6 @@ int bgmac_enet_probe(struct bgmac *bgmac - - bgmac->in_init = true; - -- bgmac_chip_intrs_off(bgmac); -- - net_dev->irq = bgmac->irq; - SET_NETDEV_DEV(net_dev, bgmac->dev); - dev_set_drvdata(bgmac->dev, bgmac); -@@ -1511,6 +1509,8 @@ int bgmac_enet_probe(struct bgmac *bgmac - */ - bgmac_clk_enable(bgmac, 0); - -+ bgmac_chip_intrs_off(bgmac); -+ - /* This seems to be fixing IRQ by assigning OOB #6 to the core */ - if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) { - if (bgmac->feature_flags & BGMAC_FEAT_IRQ_ID_OOB_6) |