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usb: cdnsp: do not disable slot for disabled slot

Browse source 
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 e04c78d86a
commit 7e2c421ef8
1 changed files with 3 additions and 1 deletions
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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) {
cdnsp_disable_slot(pdev);
if (pdev->slot_id)
cdnsp_disable_slot(pdev);
pdev->active_port = port;
cdnsp_enable_slot(pdev);
}