[PATCH v14 19/38] phy: rockchip: usbdp: Re-init the PHY on orientation change
Sebastian Reichel <[email protected]>
| Newsgroups | org.infradead.lists.linux-rockchip,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-phy,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-usb |
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| Message-ID | <20260813-rockchip-usbdp-cleanup-v14-19-b5ad9c68fa11@collabora.com> |
Changing the cable orientation reconfigures the lane muxing, which requires re-initializing the PHY. Without this DP functionality breaks, if the cable is re-plugged with swapped orientation. Tested-by: Igor Paunovic <[email protected]> # Orange Pi 5 Plus Signed-off-by: Sebastian Reichel <[email protected]> --- drivers/phy/rockchip/phy-rockchip-usbdp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c index e44d19c9d119..4b454798c4ed 100644 --- a/drivers/phy/rockchip/phy-rockchip-usbdp.c +++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c @@ -620,6 +620,7 @@ static int rk_udphy_orien_sw_set(struct typec_switch_dev *sw, enum typec_orientation orien) { struct rk_udphy *udphy = typec_switch_get_drvdata(sw); + bool flipped = orien == TYPEC_ORIENTATION_REVERSE; mutex_lock(&udphy->mutex); @@ -631,7 +632,10 @@ static int rk_udphy_orien_sw_set(struct typec_switch_dev *sw, goto unlock_ret; } - udphy->flip = orien == TYPEC_ORIENTATION_REVERSE; + if (udphy->flip != flipped) + udphy->phy_needs_reinit = true; + + udphy->flip = flipped; rk_udphy_set_typec_default_mapping(udphy); rk_udphy_usb_bvalid_enable(udphy, true); -- 2.53.0 _______________________________________________ Linux-rockchip mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-rockchip