| From e88f28514065a6c48aadc367efb0ef6378a01543 Mon Sep 17 00:00:00 2001 |
| From: Chunfeng Yun <chunfeng.yun@mediatek.com> |
| Date: Fri, 13 Aug 2021 14:30:47 +0800 |
| Subject: usb: mtu3: restore HS function when set SS/SSP |
| |
| From: Chunfeng Yun <chunfeng.yun@mediatek.com> |
| |
| commit e88f28514065a6c48aadc367efb0ef6378a01543 upstream. |
| |
| Due to HS function is disabled when set as FS, need restore |
| it when set as SS/SSP. |
| |
| Fixes: dc4c1aa7eae9 ("usb: mtu3: add ->udc_set_speed()") |
| Cc: stable@vger.kernel.org |
| Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> |
| Link: https://lore.kernel.org/r/1628836253-7432-1-git-send-email-chunfeng.yun@mediatek.com |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/usb/mtu3/mtu3_core.c | 4 +++- |
| 1 file changed, 3 insertions(+), 1 deletion(-) |
| |
| --- a/drivers/usb/mtu3/mtu3_core.c |
| +++ b/drivers/usb/mtu3/mtu3_core.c |
| @@ -227,11 +227,13 @@ void mtu3_set_speed(struct mtu3 *mtu, en |
| mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE); |
| break; |
| case USB_SPEED_SUPER: |
| + mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE); |
| mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0), |
| SSUSB_U3_PORT_SSP_SPEED); |
| break; |
| case USB_SPEED_SUPER_PLUS: |
| - mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0), |
| + mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE); |
| + mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0), |
| SSUSB_U3_PORT_SSP_SPEED); |
| break; |
| default: |
