[PATCH] USB: mark various usb tables const
patch below marks various USB tables and variables as const so that they
end up in .rodata section and don't cacheline share with things that get
written to. For the non-array variables it also allows gcc to optimize
more.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/media/usbvideo.c b/drivers/usb/media/usbvideo.c
index 24efb21..af05859 100644
--- a/drivers/usb/media/usbvideo.c
+++ b/drivers/usb/media/usbvideo.c
@@ -955,7 +955,7 @@
.ioctl = usbvideo_v4l_ioctl,
.llseek = no_llseek,
};
-static struct video_device usbvideo_template = {
+static const struct video_device usbvideo_template = {
.owner = THIS_MODULE,
.type = VID_TYPE_CAPTURE,
.hardware = VID_HARDWARE_CPIA,