From: Arvind Yadav <arvind.yadav.cs@gmail.com>
To: mchehab@kernel.org, gregkh@linuxfoundation.org, alan@linux.intel.com
Cc: linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] staging: atomisp: mt9m114: constify acpi_device_id.
Date: Thu, 6 Jul 2017 22:10:45 +0530 [thread overview]
Message-ID: <ef2b43a2ef03fc4a01bf08dcb5a3f3c40824f524.1499359214.git.arvind.yadav.cs@gmail.com> (raw)
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
15148 2640 8 17796 4584
drivers/staging/media/atomisp/i2c/mt9m114.o
File size After adding 'const':
text data bss dec hex filename
15244 2512 8 17764 4564
drivers/staging/media/atomisp/i2c/mt9m114.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/staging/media/atomisp/i2c/mt9m114.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/media/atomisp/i2c/mt9m114.c b/drivers/staging/media/atomisp/i2c/mt9m114.c
index ced175c..68980ab 100644
--- a/drivers/staging/media/atomisp/i2c/mt9m114.c
+++ b/drivers/staging/media/atomisp/i2c/mt9m114.c
@@ -1928,7 +1928,7 @@ static int mt9m114_probe(struct i2c_client *client,
MODULE_DEVICE_TABLE(i2c, mt9m114_id);
-static struct acpi_device_id mt9m114_acpi_match[] = {
+static const struct acpi_device_id mt9m114_acpi_match[] = {
{ "INT33F0" },
{ "CRMT1040" },
{},
--
2.7.4
reply other threads:[~2017-07-06 16:40 UTC|newest]
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