samsung_sm8750/android_kernel_samsung_sm8750
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

usb: cdnsp: do not disable slot for disabled slot

Browse Source 
commit 7e2c421ef88e9da9c39e01496b7f5b0b354b42bc upstream.

It doesn't need to do it, and the related command event returns
'Slot Not Enabled Error' status.

Fixes: 3d82904559 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
Cc: stable <stable@kernel.org>
Suggested-by: Hongliang Yang <hongliang.yang@cixtech.com>
Reviewed-by: Fugang Duan <fugang.duan@cixtech.com>
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Link: https://lore.kernel.org/r/20250619013413.35817-1-peter.chen@cixtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen
2025-06-19 09:34:13 +08:00
committed by Greg Kroah-Hartman
parent c9a841fd2e
commit afbec8c344
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/cdns3/cdnsp-ring.c
View File

@@ -772,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id)
} }
if (port_id != old_port) { if (port_id != old_port) {
cdnsp_disable_slot(pdev); if (pdev->slot_id)
cdnsp_disable_slot(pdev);
pdev->active_port = port; pdev->active_port = port;
cdnsp_enable_slot(pdev); cdnsp_enable_slot(pdev);
} }