[PATCH] phy: rockchip-inno-usb2: Sync initial otg state
Peter Geis
pgwipeout at gmail.com
Tue Jun 21 17:31:40 PDT 2022
The initial otg state for the phy defaults to device mode. The actual
state isn't detected until an ID IRQ fires. Fix this by syncing the ID
state during initialization.
Fixes: 51a9b2c03dd3 ("phy: rockchip-inno-usb2: Handle ID IRQ")
Signed-off-by: Peter Geis <pgwipeout at gmail.com>
---
drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 6711659f727c..6e44069617df 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1162,6 +1162,12 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
EXTCON_USB_HOST, &rport->event_nb);
if (ret)
dev_err(rphy->dev, "register USB HOST notifier failed\n");
+
+ if (!of_property_read_bool(rphy->dev->of_node, "extcon")) {
+ /* do initial sync of usb state */
+ ret = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
+ extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !ret);
+ }
}
out:
--
2.25.1
More information about the linux-arm-kernel
mailing list