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authorHauke Mehrtens <hauke@hauke-m.de>2023-01-22 19:08:04 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2023-02-03 11:59:07 +0100
commit30c0ffecccbe6fe8e2289bed33027f9e2507039a (patch)
tree7132ee65bcde755ce67cbfc73a06edb705da5bb3 /target/linux/bcm47xx/patches-5.15/791-tg3-no-pci-sleep.patch
parent822c554d5755301337bce959554bf973b4292322 (diff)
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bcm47xx: Copy kernel from 5.10 to 5.15
Copy patches and configuration from kernel 5.10 to kernel 5.15 files. No changes were done. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/bcm47xx/patches-5.15/791-tg3-no-pci-sleep.patch')
-rw-r--r--target/linux/bcm47xx/patches-5.15/791-tg3-no-pci-sleep.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/bcm47xx/patches-5.15/791-tg3-no-pci-sleep.patch b/target/linux/bcm47xx/patches-5.15/791-tg3-no-pci-sleep.patch
new file mode 100644
index 0000000000..50edfc3b41
--- /dev/null
+++ b/target/linux/bcm47xx/patches-5.15/791-tg3-no-pci-sleep.patch
@@ -0,0 +1,17 @@
+When the Ethernet controller is powered down and someone wants to
+access the mdio bus like the witch driver (b53) the system crashed if
+PCI_D3hot was set before. This patch deactivates this power sawing mode
+when a switch driver is in use.
+
+--- a/drivers/net/ethernet/broadcom/tg3.c
++++ b/drivers/net/ethernet/broadcom/tg3.c
+@@ -4273,7 +4273,8 @@ static int tg3_power_down_prepare(struct
+ static void tg3_power_down(struct tg3 *tp)
+ {
+ pci_wake_from_d3(tp->pdev, tg3_flag(tp, WOL_ENABLE));
+- pci_set_power_state(tp->pdev, PCI_D3hot);
++ if (!tg3_flag(tp, ROBOSWITCH))
++ pci_set_power_state(tp->pdev, PCI_D3hot);
+ }
+
+ static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u32 *speed, u8 *duplex)