[PATCH 06/28] video: fbdev: intelfb: constify pci_device_id.

From: Arvind Yadav
Date: Thu Jul 20 2017 - 13:47:02 EST


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
11749 896 24 12669 317d video/fbdev/intelfb/intelfbdrv.o

File size After adding 'const':
text data bss dec hex filename
12173 472 24 12669 317d video/fbdev/intelfb/intelfbdrv.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/video/fbdev/intelfb/intelfbdrv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c
index 6b444400..0127e81 100644
--- a/drivers/video/fbdev/intelfb/intelfbdrv.c
+++ b/drivers/video/fbdev/intelfb/intelfbdrv.c
@@ -173,7 +173,7 @@ static int intelfb_set_fbinfo(struct intelfb_info *dinfo);
#define INTELFB_CLASS_MASK 0
#endif

-static struct pci_device_id intelfb_pci_table[] = {
+static const struct pci_device_id intelfb_pci_table[] = {
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_830M, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_830M },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_845G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_845G },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_85XGM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_85XGM },
--
2.7.4