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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 10:27:35 +0100
commit03a3d636fa85d3bd9e0c770b684fc04a99a4618a (patch)
treef4738a3c61ef069812d160e1e77248960910e21e
parentcc0e7678af9ce6beadb5e851d253e2d6a81f426e (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 bc046153edee..fa89d71336c6 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -18167,7 +18167,8 @@ 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();