a78d702bee
Recent versions of the Linux kernel auto-suspend attached USB devices. After this happens to the Canon EOS 5D camera, the camera's interrupt endpoints don't seem to wake back up correctly, causing further use with libgphoto2 to fail with a -114 "OS error in camera communication" error. A similar fix is probably necessary for this camera in PTP mode, which identifies as USB product id 0x3102, but we haven't tested this. As part of our testing process, we tried the USB_QUIRK_RESET_RESUME quirk also, it's not helpful in this case. Signed-off-by: Raj Kumar <rkumar@archive.org> Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
131 lines
4.8 KiB
C
131 lines
4.8 KiB
C
/*
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* USB device quirk handling logic and table
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*
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* Copyright (c) 2007 Oliver Neukum
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* Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 2.
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*
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*
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*/
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#include <linux/usb.h>
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#include <linux/usb/quirks.h>
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#include "usb.h"
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/* List of quirky USB devices. Please keep this list ordered by:
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* 1) Vendor ID
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* 2) Product ID
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* 3) Class ID
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*
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* as we want specific devices to be overridden first, and only after that, any
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* class specific quirks.
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*
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* Right now the logic aborts if it finds a valid device in the table, we might
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* want to change that in the future if it turns out that a whole class of
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* devices is broken...
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*/
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static const struct usb_device_id usb_quirk_list[] = {
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/* HP 5300/5370C scanner */
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{ USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 },
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/* Hewlett-Packard PhotoSmart 720 / PhotoSmart 935 (storage) */
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{ USB_DEVICE(0x03f0, 0x4002), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Acer Peripherals Inc. (now BenQ Corp.) Prisa 640BU */
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{ USB_DEVICE(0x04a5, 0x207e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Benq S2W 3300U */
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{ USB_DEVICE(0x04a5, 0x20b0), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Canon, Inc. CanoScan N1240U/LiDE30 */
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{ USB_DEVICE(0x04a9, 0x220e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Canon, Inc. CanoScan N650U/N656U */
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{ USB_DEVICE(0x04a9, 0x2206), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Canon, Inc. CanoScan 1220U */
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{ USB_DEVICE(0x04a9, 0x2207), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Canon, Inc. CanoScan N670U/N676U/LiDE 20 */
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{ USB_DEVICE(0x04a9, 0x220d), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* old Cannon scanner */
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{ USB_DEVICE(0x04a9, 0x2220), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Seiko Epson Corp. Perfection 1200 */
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{ USB_DEVICE(0x04b8, 0x0104), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Seiko Epson Corp. Perfection 660 */
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{ USB_DEVICE(0x04b8, 0x0114), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Epson Perfection 1260 Photo */
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{ USB_DEVICE(0x04b8, 0x011d), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Seiko Epson Corp - Perfection 1670 */
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{ USB_DEVICE(0x04b8, 0x011f), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* EPSON Perfection 2480 */
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{ USB_DEVICE(0x04b8, 0x0121), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Seiko Epson Corp.*/
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{ USB_DEVICE(0x04b8, 0x0122), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Samsung ML-2010 printer */
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{ USB_DEVICE(0x04e8, 0x326c), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Samsung ML-2510 Series printer */
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{ USB_DEVICE(0x04e8, 0x327e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Elsa MicroLink 56k (V.250) */
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{ USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Ultima Electronics Corp.*/
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{ USB_DEVICE(0x05d8, 0x4005), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Agfa Snapscan1212u */
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{ USB_DEVICE(0x06bd, 0x2061), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Seagate RSS LLC */
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{ USB_DEVICE(0x0bc2, 0x3000), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Umax [hex] Astra 3400U */
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{ USB_DEVICE(0x1606, 0x0060), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Philips PSC805 audio device */
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{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
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/* Alcor multi-card reader */
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{ USB_DEVICE(0x058f, 0x6366), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* Canon EOS 5D in PC Connection mode */
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{ USB_DEVICE(0x04a9, 0x3101), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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/* RIM Blackberry */
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{ USB_DEVICE(0x0fca, 0x0001), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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{ USB_DEVICE(0x0fca, 0x0004), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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{ USB_DEVICE(0x0fca, 0x0006), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
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{ } /* terminating entry must be last */
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};
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static void usb_autosuspend_quirk(struct usb_device *udev)
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{
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#ifdef CONFIG_USB_SUSPEND
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/* disable autosuspend, but allow the user to re-enable it via sysfs */
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udev->autosuspend_disabled = 1;
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#endif
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}
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static const struct usb_device_id *find_id(struct usb_device *udev)
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{
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const struct usb_device_id *id = usb_quirk_list;
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for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
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id->driver_info; id++) {
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if (usb_match_device(udev, id))
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return id;
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}
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return NULL;
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}
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/*
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* Detect any quirks the device has, and do any housekeeping for it if needed.
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*/
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void usb_detect_quirks(struct usb_device *udev)
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{
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const struct usb_device_id *id = usb_quirk_list;
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id = find_id(udev);
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if (id)
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udev->quirks = (u32)(id->driver_info);
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if (udev->quirks)
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dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
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udev->quirks);
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/* do any special quirk handling here if needed */
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if (udev->quirks & USB_QUIRK_NO_AUTOSUSPEND)
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usb_autosuspend_quirk(udev);
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}
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