scsi: ibmvscsi: constify dev_pm_ops structures.
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Thu, 29 Jun 2017 07:43:55 +0000 (13:13 +0530)
committerMartin K. Petersen <martin.petersen@oracle.com>
Sat, 1 Jul 2017 21:04:41 +0000 (17:04 -0400)
dev_pm_ops are not supposed to change at runtime. All functions working
with dev_pm_ops provided by <linux/device.h> work with const
dev_pm_ops. So mark the non-const structs as const.

File size before:
   text    data     bss     dec     hex filename
  17956    1456       8   19420    4bdc drivers/scsi/ibmvscsi/ibmvscsi.o

File size After adding 'const':
   text    data     bss     dec     hex filename
  18164    1264       8   19436    4bec drivers/scsi/ibmvscsi/ibmvscsi.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/ibmvscsi/ibmvscsi.c

index 1deb0a9f14a66dcb9f95cd40e0289b32bfee7370..da22b3665cb04efb0a24298ef3b70964920806e6 100644 (file)
@@ -2336,7 +2336,7 @@ static struct vio_device_id ibmvscsi_device_table[] = {
 };
 MODULE_DEVICE_TABLE(vio, ibmvscsi_device_table);
 
-static struct dev_pm_ops ibmvscsi_pm_ops = {
+static const struct dev_pm_ops ibmvscsi_pm_ops = {
        .resume = ibmvscsi_resume
 };