video: fbdev: tdfx: constify pci_device_id.
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Tue, 1 Aug 2017 15:20:43 +0000 (17:20 +0200)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tue, 1 Aug 2017 15:20:43 +0000 (17:20 +0200)
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
   8432    1456      16    9904    26b0 drivers/video/fbdev/tdfxfb.o

File size after adding 'const':
   text    data     bss     dec     hex filename
   8560    1328      16    9904    26b0 drivers/video/fbdev/tdfxfb.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Maik Broemme <mbroemme@libmpq.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
drivers/video/fbdev/tdfxfb.c

index d5fa313..dec1fed 100644 (file)
@@ -120,7 +120,7 @@ static const struct fb_var_screeninfo tdfx_var = {
 static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id);
 static void tdfxfb_remove(struct pci_dev *pdev);
 
-static struct pci_device_id tdfxfb_id_table[] = {
+static const struct pci_device_id tdfxfb_id_table[] = {
        { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_BANSHEE,
          PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16,
          0xff0000, 0 },