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* [PATCH] staging: atomisp: lm3554: constify acpi_device_id.
@ 2017-07-06 15:56 Arvind Yadav
  0 siblings, 0 replies; only message in thread
From: Arvind Yadav @ 2017-07-06 15:56 UTC (permalink / raw)
  To: mchehab, gregkh, alan; +Cc: linux-media, devel, linux-kernel

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
   5347	   1920	     24	   7291	   1c7b drivers/staging/media/atomisp/i2c/lm3554.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   5411	   1856	     24	   7291	   1c7b drivers/staging/media/atomisp/i2c/lm3554.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/staging/media/atomisp/i2c/lm3554.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/i2c/lm3554.c b/drivers/staging/media/atomisp/i2c/lm3554.c
index dd9c9c3..9ba1037 100644
--- a/drivers/staging/media/atomisp/i2c/lm3554.c
+++ b/drivers/staging/media/atomisp/i2c/lm3554.c
@@ -974,7 +974,7 @@ static const struct dev_pm_ops lm3554_pm_ops = {
 	.resume = lm3554_resume,
 };
 
-static struct acpi_device_id lm3554_acpi_match[] = {
+static const struct acpi_device_id lm3554_acpi_match[] = {
 	{ "INTCF1C" },
 	{},
 };
-- 
2.7.4

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