diff options
| author | Peter Chen <peter.chen@cixtech.com> | 2025-06-19 09:34:13 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-10 16:05:11 +0200 |
| commit | b68e355a613260127c77c9ffd762ac7acbbcee77 (patch) | |
| tree | 7a2003a8720e975eae1523b66239cc6764d00ca6 | |
| parent | 46f75892815695ccb1436fddfb161d5a3e147ee5 (diff) | |
usb: cdnsp: do not disable slot for disabled slot
commit 7e2c421ef88e9da9c39e01496b7f5b0b354b42bc upstream.
It doesn't need to do it, and the related command event returns
'Slot Not Enabled Error' status.
Fixes: 3d82904559f4 ("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>
| -rw-r--r-- | drivers/usb/cdns3/cdnsp-ring.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c index fd06cb85c4ea..757fdd918286 100644 --- a/drivers/usb/cdns3/cdnsp-ring.c +++ b/drivers/usb/cdns3/cdnsp-ring.c @@ -772,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id) } if (port_id != old_port) { - cdnsp_disable_slot(pdev); + if (pdev->slot_id) + cdnsp_disable_slot(pdev); + pdev->active_port = port; cdnsp_enable_slot(pdev); } |