This is a note to let you know that I've just added the patch titled
usb: xhci-mtk: check hcc_params after adding primary hcd
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: usb-xhci-mtk-check-hcc_params-after-adding-primary-hcd.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Mon Dec 18 14:12:34 CET 2017
From: Chunfeng Yun chunfeng.yun@mediatek.com Date: Thu, 9 Mar 2017 15:39:34 +0200 Subject: usb: xhci-mtk: check hcc_params after adding primary hcd
From: Chunfeng Yun chunfeng.yun@mediatek.com
[ Upstream commit 94a631d91ad341b3b4bdac72d1104d9f090e0ca9 ]
hcc_params is set in xhci_gen_setup() called from usb_add_hcd(), so checks the Maximum Primary Stream Array Size in the hcc_params register after adding primary hcd.
Signed-off-by: Chunfeng Yun chunfeng.yun@mediatek.com Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/host/xhci-mtk.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -632,13 +632,13 @@ static int xhci_mtk_probe(struct platfor goto power_off_phys; }
- if (HCC_MAX_PSA(xhci->hcc_params) >= 4) - xhci->shared_hcd->can_do_streams = 1; - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) goto put_usb3_hcd;
+ if (HCC_MAX_PSA(xhci->hcc_params) >= 4) + xhci->shared_hcd->can_do_streams = 1; + ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED); if (ret) goto dealloc_usb2_hcd;
Patches currently in stable-queue which might be from chunfeng.yun@mediatek.com are
queue-4.9/usb-xhci-fix-tds-for-mtk-xhci1.1.patch queue-4.9/usb-xhci-mtk-check-hcc_params-after-adding-primary-hcd.patch