isdn: hisax: hfc4s8s_l1: constify pci_device_id.
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Sat, 15 Jul 2017 04:25:43 +0000 (09:55 +0530)
committerDavid S. Miller <davem@davemloft.net>
Sun, 16 Jul 2017 04:25:56 +0000 (21:25 -0700)
pci_device_id are not supposed to change at runtime. All functions
working with pci_device_id provided by <linux/pci.h> work with
const pci_device_id. So mark the non-const structs as const.

File size before:
   text    data     bss     dec     hex filename
  10512     536       4   11052    2b2c drivers/isdn/hisax/hfc4s8s_l1.o

File size After adding 'const':
   text    data     bss     dec     hex filename
  10672     376       4   11052    2b2c drivers/isdn/hisax/hfc4s8s_l1.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/isdn/hisax/hfc4s8s_l1.c

index 90f051ce02590f3e70ee2e1227d7aa507441a24c..9090cc1e1f299a8b3a3296fa088b2f2cf33ef342 100644 (file)
@@ -86,7 +86,7 @@ typedef struct {
        char *device_name;
 } hfc4s8s_param;
 
-static struct pci_device_id hfc4s8s_ids[] = {
+static const struct pci_device_id hfc4s8s_ids[] = {
        {.vendor = PCI_VENDOR_ID_CCD,
         .device = PCI_DEVICE_ID_4S,
         .subvendor = 0x1397,