const: constify remaining dev_pm_ops

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index f1c0620..a18debd 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -518,7 +518,7 @@
 	return 0;
 }
 
-static struct dev_pm_ops ohci_hcd_pxa27x_pm_ops = {
+static const struct dev_pm_ops ohci_hcd_pxa27x_pm_ops = {
 	.suspend	= ohci_hcd_pxa27x_drv_suspend,
 	.resume		= ohci_hcd_pxa27x_drv_resume,
 };