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virtio: virtio_mmio: make of_device_ids const.

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

File size before:
   text	   data	    bss	    dec	    hex	filename
   3647	    608	      0	   4255	   109f	drivers/virtio/virtio_mmio.o

File size after constify virtio_mmio_match.
   text	   data	    bss	    dec	    hex	filename
   4063	    192	      0	   4255	   109f	drivers/virtio/virtio_mmio.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Arvind Yadav 2017-06-19 11:44:41 +05:30 committed by Michael S. Tsirkin
parent 0a9e63aa39
commit 31919140ff
1 changed files with 1 additions and 1 deletions
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2
drivers/virtio/virtio_mmio.c
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@ -723,7 +723,7 @@ static void vm_unregister_cmdline_devices(void)
/* Platform driver */
static struct of_device_id virtio_mmio_match[] = {
static const struct of_device_id virtio_mmio_match[] = {
{ .compatible = "virtio,mmio", },
{},
};