linux-kernel - [PATCH 02/28] video: fbdev: atyfb: constify pci_device

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Message-Id: <1500572393-18844-3-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu, 20 Jul 2017 23:09:27 +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 02/28] video: fbdev: atyfb: 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
  17534	   1824	     48	  19406	   4bce	video/fbdev/aty/atyfb_base.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  18686	    672	     48	  19406	   4bce	video/fbdev/aty/atyfb_base.o

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

diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index 11026e7..d38cfc6 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -3762,7 +3762,7 @@ static void atyfb_pci_remove(struct pci_dev *pdev)
 	atyfb_remove(info);
 }
 
-static struct pci_device_id atyfb_pci_tbl[] = {
+static const struct pci_device_id atyfb_pci_tbl[] = {
 #ifdef CONFIG_FB_ATY_GX
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_CHIP_MACH64GX) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_CHIP_MACH64CX) },
-- 
2.7.4