5.15-stable review patch. If anyone has any objections, please let me know.
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From: Peter Chen peter.chen@cixtech.com
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 --- drivers/usb/cdns3/cdnsp-ring.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- 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 c }
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); }