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tty: mxser: constify pci_device_id.

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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
  20253	   1184	  19904	  41341	   a17d	drivers/tty/mxser.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  21117	    300	  19904	  41341	   a17d	drivers/tty/mxser.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arvind Yadav 2017-07-23 15:31:01 +05:30 committed by Greg Kroah-Hartman
parent 763653d7d5
commit 3385ecf87f
1 changed files with 1 additions and 1 deletions
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drivers/tty/mxser.c
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@ -145,7 +145,7 @@ static const struct mxser_cardinfo mxser_cards[] = {
/* driver_data correspond to the lines in the structure above
see also ISA probe function before you change something */
static struct pci_device_id mxser_pcibrds[] = {
static const struct pci_device_id mxser_pcibrds[] = {
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_C168), .driver_data = 3 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_C104), .driver_data = 4 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP132), .driver_data = 8 },