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| author | Peter Chen <peter.chen@cixtech.com> | 2025-06-19 09:34:13 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-10 15:59:52 +0200 |
| commit | c2b47b8df7741fd457b37611474f3c5ac16fd70a (patch) | |
| tree | 89ebde8a859dd8c2fb2d68ddf9a3655a4e9db59a | |
| parent | 4b1eb5121ffcaa7f92d34a10c6096233cad968f1 (diff) | |
| download | linux-c2b47b8df7741fd457b37611474f3c5ac16fd70a.tar.gz linux-c2b47b8df7741fd457b37611474f3c5ac16fd70a.tar.bz2 linux-c2b47b8df7741fd457b37611474f3c5ac16fd70a.zip | |
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 6247584cb939..c9ad4280f4ba 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); } |