xen-platform: Constify dev_pm_ops

dev_pm_ops is never modified, so mark it const to allow the compiler to
put it in read-only memory.

Before:
   text    data     bss     dec     hex filename
   2457    1668     256    4381    111d drivers/xen/platform-pci.o

After:
   text    data     bss     dec     hex filename
   2681    1444     256    4381    111d drivers/xen/platform-pci.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200509134755.15038-1-rikard.falkeborn@gmail.com
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index 59e85e408c23a51b2ff4119f9f1e6e1573134f33..dd911e1ff782cc4d54556d1d034fa9ed15c0b7bd 100644 (file)
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -168,7 +168,7 @@ static const struct pci_device_id platform_pci_tbl[] = {
        {0,}
 };
 
-static struct dev_pm_ops platform_pm_ops = {
+static const struct dev_pm_ops platform_pm_ops = {
        .resume_noirq =   platform_pci_resume,
 };