From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x227GF8UiLtYK8+0WpPdRgCNZj0wSob9dPaDOibz1DffiFKR5qjbMVIk+xlpbX1ewKHx4RmmU ARC-Seal: i=1; a=rsa-sha256; t=1519836615; cv=none; d=google.com; s=arc-20160816; b=NnjJPMhZ9YkuoOL6RPVpVTvhsi7d8VTLyiNBYLLzyfZkRHmK2zoXJ0Ecnz6liv7gAM kT2AD9VAjg/ASPptkPS6RTDmCz8XGdEdUp+v0B4+f02V+WN5UnlAibn5DbauRx74JutV dQARhF4zp01YP1P+HGiaL0i7gn1u0p5XaekFj4ZOqsOvWyGspl/CWPjdlstOvgb2wcNc etvQPr+4vi6lbPn8uVDKsAyDZjg6yRQSkIgUCvYDxDCnZw5mdvdXDzOfTE+A0yJJYvnq dKAys5+VFuNmiGhalBJeIF5RR2fYWIK9hDMId3zS2mNYXZkajZbMBh3NMwiCK8ai9jHT 05Pw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:subject:message-id:date:cc:to:from:mime-version :content-transfer-encoding:content-disposition :arc-authentication-results; bh=528fOE4iDxgfWODXRtKd4MJFTQc0tGVDPN/XH5xr9ow=; b=I9uYNKLdxGlR/LJxH08uLcD0Tea1V2x6rUNqP+r7PXqeTZg9ngCK2YvfEQwR00zGlT hH2OjsFYQa/NBJHx2f/X1LUHmzjD71nN/WUnrq4tRkXbtUnV8GdbRlRsVoyKyyPX8AyR CN6IdX4KmwWQS76SG1Q0WWslTEe7/ncY8F0+sNoXVdNf9VepNZTRUFrHJB835JvY/Nex PWZaRQ1SDS6FjFk1hjXz569y2LnMnhIrZlWWR6ZYmhW57v1/dHgLY6rSRGC/PKOx2wVA wTsbMoOM/90krG8DKFwFXaw09Gv8QyZNwtuGNwmVnQuwmrO+0OPHlFt4ZRylCX8m6caJ pUcQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ben@decadent.org.uk designates 88.96.1.126 as permitted sender) smtp.mailfrom=ben@decadent.org.uk Authentication-Results: mx.google.com; spf=pass (google.com: domain of ben@decadent.org.uk designates 88.96.1.126 as permitted sender) smtp.mailfrom=ben@decadent.org.uk Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Ard Biesheuvel" , "Greg Kroah-Hartman" , "Mathias Nyman" , "Daniel Thompson" Date: Wed, 28 Feb 2018 15:20:18 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 142/254] usb: xhci: Add XHCI_TRUST_TX_LENGTH for Renesas uPD720201 In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1593664198706929945?= X-GMAIL-MSGID: =?utf-8?q?1593664198706929945?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.16.55-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Daniel Thompson commit da99706689481717998d1d48edd389f339eea979 upstream. When plugging in a USB webcam I see the following message: xhci_hcd 0000:04:00.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk? handle_tx_event: 913 callbacks suppressed All is quiet again with this patch (and I've done a fair but of soak testing with the camera since). Signed-off-by: Daniel Thompson Acked-by: Ard Biesheuvel Signed-off-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman Signed-off-by: Ben Hutchings --- drivers/usb/host/xhci-pci.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -183,6 +183,9 @@ static void xhci_pci_quirks(struct devic xhci->quirks |= XHCI_BROKEN_STREAMS; } if (pdev->vendor == PCI_VENDOR_ID_RENESAS && + pdev->device == 0x0014) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_RENESAS && pdev->device == 0x0015) xhci->quirks |= XHCI_RESET_ON_RESUME; if (pdev->vendor == PCI_VENDOR_ID_VIA)