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drm: udl: constify usb_device_id

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usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/22fa8ca67a6d4a59997f463bf241ed56596fbcfa.1502526524.git.arvind.yadav.cs@gmail.com
This commit is contained in:
Arvind Yadav 2017-08-12 14:05:19 +05:30 • committed by Daniel Vetter
commit 36436f4e93
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/udl/udl_drv.c
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@ -111,7 +111,7 @@ static void udl_usb_disconnect(struct usb_interface *interface)
* which is compatible with all known USB 2.0 era graphics chips and firmware,
* but allows DisplayLink to increment those for any future incompatible chips
*/
static struct usb_device_id id_table[] = {
static const struct usb_device_id id_table[] = {
{.idVendor = 0x17e9, .bInterfaceClass = 0xff,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,