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Code Issues Releases Wiki Activity

tty: serial: pci: constify pci_device_id.

Browse source 
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
  12626	  18128	      0	  30754	   7822 tty/serial/8250/8250_pci.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  23986	   6768	      0	  30754	   7822 tty/serial/8250/8250_pci.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 15:31:06 +05:30 committed by Greg Kroah-Hartman
parent 3637c46032
commit c40f716ad3
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/8250/8250_pci.c
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@ -3723,7 +3723,7 @@ static int pciserial_resume_one(struct device *dev)
static SIMPLE_DEV_PM_OPS(pciserial_pm_ops, pciserial_suspend_one,
pciserial_resume_one);
static struct pci_device_id serial_pci_tbl[] = {
static const struct pci_device_id serial_pci_tbl[] = {
/* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */
{ PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620,
PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0,