This is a note to let you know that I've just added the patch titled usb: cdnsp: fix the wrong mult value for HS isoc or intr to the 5.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-cdnsp-fix-the-wrong-mult-value-for-hs-isoc-or-intr.patch and it can be found in the queue-5.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e9ab75f26eb9354dfc03aea3401b8cfb42cd6718 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Date: Fri, 13 Aug 2021 14:30:50 +0800 Subject: usb: cdnsp: fix the wrong mult value for HS isoc or intr From: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx Acked-by: Felipe Balbi <balbi@xxxxxxxxxx> Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/1628836253-7432-4-git-send-email-chunfeng.yun@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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; } Patches currently in stable-queue which might be from chunfeng.yun@xxxxxxxxxxxx are queue-5.13/usb-mtu3-fix-the-wrong-hs-mult-value.patch queue-5.13/usb-cdnsp-fix-the-wrong-mult-value-for-hs-isoc-or-intr.patch queue-5.13/usb-xhci-mtk-fix-issue-of-out-of-bounds-array-access.patch queue-5.13/usb-gadget-tegra-xudc-fix-the-wrong-mult-value-for-hs-isoc-or-intr.patch queue-5.13/usb-mtu3-use-mult-for-hs-isoc-or-intr.patch queue-5.13/usb-mtu3-restore-hs-function-when-set-ss-ssp.patch