virtio: virtio_mmio: make of_device_ids const.

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 <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
CarlFK · Jan 30, 2018 · 3191914 · 3191914
1 parent 0a9e63a
commit 3191914
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
@@ -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", },
 	{},
 };