Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932568AbdCGDcz (ORCPT ); Mon, 6 Mar 2017 22:32:55 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:13415 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753851AbdCGDcv (ORCPT ); Mon, 6 Mar 2017 22:32:51 -0500 From: Chunfeng Yun To: Mathias Nyman CC: Matthias Brugger , Felipe Balbi , Chunfeng Yun , , , , , Greg Kroah-Hartman , Thierry Reding Subject: [PATCH 1/2] usb: xhci-mtk: check hcc_params after adding primary hcd Date: Tue, 7 Mar 2017 11:32:22 +0800 Message-ID: <1488857543-9384-1-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 952 Lines: 32 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