[PATCH] usb: musb: constify dev_pm_ops structures

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Declare dev_pm_ops structures as const as they are only stored in the pm
field of a device_driver structure. This field is of type const, so
dev_pm_ops structures having similar properties can be declared const
too.

Size details after cross compiling the .o file for arm
architecture.

File size before: drivers/usb/musb/omap2430.o
   text	   data	    bss	    dec	    hex	filename
   4141	    400	      8	   4549	   11c5	usb/musb/omap2430.o

File size after: drivers/usb/musb/omap2430.o
   text	   data	    bss	    dec	    hex	filename
   4333	    200	      8	   4541	   11bd	usb/musb/omap2430.o

Signed-off-by: Bhumika Goyal <bhumirks@xxxxxxxxx>
---
 drivers/usb/musb/omap2430.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 8b73214..456f3e6 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -575,7 +575,7 @@ static int omap2430_runtime_resume(struct device *dev)
 	return 0;
 }
 
-static struct dev_pm_ops omap2430_pm_ops = {
+static const struct dev_pm_ops omap2430_pm_ops = {
 	.runtime_suspend = omap2430_runtime_suspend,
 	.runtime_resume = omap2430_runtime_resume,
 };
-- 
1.9.1

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