From mboxrd@z Thu Jan 1 00:00:00 1970 From: chunfeng.yun@mediatek.com (Chunfeng Yun) Date: Tue, 7 Mar 2017 11:32:22 +0800 Subject: [PATCH 1/2] usb: xhci-mtk: check hcc_params after adding primary hcd Message-ID: <1488857543-9384-1-git-send-email-chunfeng.yun@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- drivers/usb/host/xhci-mtk.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 9066ec9..6ac73a6 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -678,13 +678,13 @@ static int xhci_mtk_probe(struct platform_device *pdev) 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; -- 1.7.9.5