disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/phy/rockchip/phy-rockchip-naneng-usb2.c
..
..
@@ -1755,6 +1755,10 @@
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1755
 	if (rphy->phy_cfg->phy_lowpower)
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 		ret = rphy->phy_cfg->phy_lowpower(rphy, true);
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1757
 
1758
+	/* Set gpio output low to avoid leakage */
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+	if (rphy->vup_gpio && !wakeup_enable)
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+		gpiod_set_value(rphy->vup_gpio, 1);
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+
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 	return ret;
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1763
 }
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1764
 
..
..
@@ -1770,6 +1774,10 @@
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 	if (device_may_wakeup(rphy->dev))
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 		wakeup_enable = true;
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1776
 
1777
+	/* Set gpio output high to disable pull-up circuit on DM */
1778
+	if (rphy->vup_gpio && !wakeup_enable)
1779
+		gpiod_set_value(rphy->vup_gpio, 0);
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+
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 	/* exit low power state */
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 	if (rphy->phy_cfg->phy_lowpower)
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 		ret = rphy->phy_cfg->phy_lowpower(rphy, false);