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authorPeter Chen <peter.chen@nxp.com>2020-06-23 06:09:16 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-06-24 17:02:58 +0300
commitc0e2a0341cd8ccd213ffc6c7f9cd52a31466cba9 (patch)
tree0a19703273e7c42eeecba35c0e5a28d61ac74f00 /drivers/usb/cdns3
parent302c570bf36e997d55ad0d60628a2feec76954a4 (diff)
downloadlinux-c0e2a0341cd8ccd213ffc6c7f9cd52a31466cba9.tar.xz
usb: cdns3: ep0: fix the test mode set incorrectly
The 'tmode' is ctrl->wIndex, changing it as the real test mode value for register assignment. Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver") Cc: <stable@vger.kernel.org> Reviewed-by: Jun Li <jun.li@nxp.com> Reviewed-by: Pawel Laszczak <pawell@cadence.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/20200623030918.8409-2-peter.chen@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/cdns3')
-rw-r--r--drivers/usb/cdns3/ep0.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 82645a2a0f52..04e49582fb55 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -327,7 +327,8 @@ static int cdns3_ep0_feature_handle_device(struct cdns3_device *priv_dev,
if (!set || (tmode & 0xff) != 0)
return -EINVAL;
- switch (tmode >> 8) {
+ tmode >>= 8;
+ switch (tmode) {
case TEST_J:
case TEST_K:
case TEST_SE0_NAK: