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authorTristan Gingold <tgingold@free.fr>2023-05-01 10:37:51 +0200
committerTristan Gingold <tgingold@free.fr>2023-05-01 10:37:51 +0200
commit635824fbd90bb79d0c0e617bd5457fd1c2c015f6 (patch)
tree1a6754d0f930d9727868dc0b30ee7e62eb320adb /testsuite/vests/vhdl-93/billowitch/non_compliant/analyzer_failure/tc1674.vhd
parent96423737b05099931aef24120f2164f40797dc3b (diff)
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testsuite/gna: add a test and adjust for #2422HEADmaster
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generated by cgit v1.2.3 (git 2.25.1) at 2025-09-21 19:35:01 +0000
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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
@@ -4264,7 +4264,8 @@ 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, u16 *speed, u8 *duplex)