* [PATCH] virtio: virtio_mmio: make of_device_ids const.
@ 2017-06-19 6:14 Arvind Yadav
0 siblings, 0 replies; only message in thread
From: Arvind Yadav @ 2017-06-19 6:14 UTC (permalink / raw)
To: mst, jasowang; +Cc: virtualization, linux-kernel
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>
---
drivers/virtio/virtio_mmio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 74dc717..badf61d 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -713,7 +713,7 @@ 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", },
{},
};
--
1.9.1
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