linux-kernel - [PATCH 24/28] video: fbdev: neofb: constify pci_device

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Message-Id: <1500572393-18844-25-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu, 20 Jul 2017 23:09:49 +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 24/28] video: fbdev: neofb: 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
  12766	   1064	     21	  13851	   361b	drivers/video/fbdev/neofb.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  13086	    744	     21	  13851	   361b	drivers/video/fbdev/neofb.o

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

diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c
index db023a9..5d3a444 100644
--- a/drivers/video/fbdev/neofb.c
+++ b/drivers/video/fbdev/neofb.c
@@ -2138,7 +2138,7 @@ static void neofb_remove(struct pci_dev *dev)
 	}
 }
 
-static struct pci_device_id neofb_devices[] = {
+static const struct pci_device_id neofb_devices[] = {
 	{PCI_VENDOR_ID_NEOMAGIC, PCI_CHIP_NM2070,
 	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_NEOMAGIC_NM2070},
 
-- 
2.7.4