Commit e1ec650f authored Jul 06, 2017 by Arvind Yadav Committed by James Morris Sep 23, 2017

tpm: tpm_crb: constify acpi_device_id.



acpi_device_id are not supposed to change at runtime. All functions
working with acpi_device_id provided by <acpi/acpi_bus.h> work with
const acpi_device_id. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
   4198	    608	      0	   4806	   12c6	drivers/char/tpm/tpm_crb.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   4262	    520	      0	   4782	   12ae	drivers/char/tpm/tpm_crb.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>

parent c2a9c4bf

drivers/char/tpm/tpm_crb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -665,7 +665,7 @@ static const struct dev_pm_ops crb_pm = {
		SET_RUNTIME_PM_OPS(crb_pm_runtime_suspend, crb_pm_runtime_resume, NULL)
		};

		static struct acpi_device_id crb_device_ids[] = {
		static const struct acpi_device_id crb_device_ids[] = {
		{"MSFT0101", 0},
		{"", 0},
		};