This is a note to let you know that I've just added the patch titled usb: mtu3: restore HS function when set SS/SSP to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-mtu3-restore-hs-function-when-set-ss-ssp.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e88f28514065a6c48aadc367efb0ef6378a01543 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Date: Fri, 13 Aug 2021 14:30:47 +0800 Subject: usb: mtu3: restore HS function when set SS/SSP From: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/1628836253-7432-1-git-send-email-chunfeng.yun@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 @@ static void mtu3_set_speed(struct mtu3 * 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: Patches currently in stable-queue which might be from chunfeng.yun@xxxxxxxxxxxx are queue-5.14/usb-mtu3-fix-the-wrong-hs-mult-value.patch queue-5.14/usb-cdnsp-fix-the-wrong-mult-value-for-hs-isoc-or-intr.patch queue-5.14/usb-xhci-mtk-fix-issue-of-out-of-bounds-array-access.patch queue-5.14/usb-gadget-tegra-xudc-fix-the-wrong-mult-value-for-hs-isoc-or-intr.patch queue-5.14/usb-mtu3-use-mult-for-hs-isoc-or-intr.patch queue-5.14/usb-mtu3-restore-hs-function-when-set-ss-ssp.patch