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authorGeorge Shuklin <george.shuklin@gmail.com>2023-11-03 13:50:29 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-20 10:29:21 +0100
commit52763340cee32406b144c472d96ffcc34d93fb2b (patch)
tree645506948230db481e2e52187350fbce8b801408
parent09f104cb0f0ac534459049aa01f82241f61c5012 (diff)
tg3: power down device only on SYSTEM_POWER_OFF
[ Upstream commit 9fc3bc7643341dc5be7d269f3d3dbe441d8d7ac3 ] Dell R650xs servers hangs on reboot if tg3 driver calls tg3_power_down. This happens only if network adapters (BCM5720 for R650xs) were initialized using SNP (e.g. by booting ipxe.efi). The actual problem is on Dell side, but this fix allows servers to come back alive after reboot. Signed-off-by: George Shuklin <george.shuklin@gmail.com> Fixes: 2ca1c94ce0b6 ("tg3: Disable tg3 device on system reboot to avoid triggering AER") Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/20231103115029.83273-1-george.shuklin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 43b83a3a2804..f0b5c8a4d29f 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -18217,7 +18217,8 @@ static void tg3_shutdown(struct pci_dev *pdev)
if (netif_running(dev))
dev_close(dev);
- tg3_power_down(tp);
+ if (system_state == SYSTEM_POWER_OFF)
+ tg3_power_down(tp);
rtnl_unlock();