From: Chunfeng Yun chunfeng.yun@mediatek.com
commit e9ab75f26eb9354dfc03aea3401b8cfb42cd6718 upstream.
usb_endpoint_maxp() only returns the bit[10:0] of wMaxPacketSize of endpoint descriptor, not include bit[12:11] anymore, so use usb_endpoint_maxp_mult() instead.
Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Cc: stable@vger.kernel.org Acked-by: Felipe Balbi balbi@kernel.org Signed-off-by: Chunfeng Yun chunfeng.yun@mediatek.com Link: https://lore.kernel.org/r/1628836253-7432-4-git-send-email-chunfeng.yun@medi... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/cdns3/cdnsp-mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/cdns3/cdnsp-mem.c +++ b/drivers/usb/cdns3/cdnsp-mem.c @@ -882,7 +882,7 @@ static u32 cdnsp_get_endpoint_max_burst( if (g->speed == USB_SPEED_HIGH && (usb_endpoint_xfer_isoc(pep->endpoint.desc) || usb_endpoint_xfer_int(pep->endpoint.desc))) - return (usb_endpoint_maxp(pep->endpoint.desc) & 0x1800) >> 11; + return usb_endpoint_maxp_mult(pep->endpoint.desc) - 1;
return 0; }