linux-kernel - [PATCH 12/28] video: fbdev: riva: constify pci_device

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Message-Id: <1500572393-18844-13-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu, 20 Jul 2017 23:09:37 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     b.zolnierkie@...sung.com, paulus@...ba.org,
        benh@...nel.crashing.org, adaplas@...il.com, mbroemme@...mpq.org,
        FlorianSchandinat@....de
Cc:     linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 12/28] video: fbdev: riva: constify pci_device_id.

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
  13285	   2080	      3	  15368	   3c08	video/fbdev/riva/fbdev.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  14677	    688	      3	  15368	   3c08	video/fbdev/riva/fbdev.o

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

diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index 2ef26ad..1ea78bb 100644
--- a/drivers/video/fbdev/riva/fbdev.c
+++ b/drivers/video/fbdev/riva/fbdev.c
@@ -101,7 +101,7 @@ static int rivafb_blank(int blank, struct fb_info *info);
  *
  * ------------------------------------------------------------------------- */
 
-static struct pci_device_id rivafb_pci_tbl[] = {
+static const struct pci_device_id rivafb_pci_tbl[] = {
 	{ PCI_VENDOR_ID_NVIDIA_SGS, PCI_DEVICE_ID_NVIDIA_SGS_RIVA128,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT,
-- 
2.7.4