Thread (34 messages) 34 messages, 12 authors, 2017-10-20

Re: [PATCH v2 04/15] iio: make function argument and some structures const

From: Jonathan Cameron <hidden>
Date: 2017-10-16 18:48:20
Also in: linux-acpi, linux-fsdevel, linux-iio, linux-pci, linux-rdma, linux-scsi, lkml, target-devel


On 16 October 2017 16:18:43 BST, Bhumika Goyal [off-list ref] wrote:
Make the argument of the functions iio_sw{d/t}_group_init_type_name
const
as they are only passed to the function config_group_init_type_name
having
the argument as const.

Make the config_item_type structures const as they are either passed to
the functions having the argument as const or they are
stored in the const "ci_type" field of a config_item structure.

Signed-off-by: Bhumika Goyal <redacted>
Acked-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
quoted hunk ↗ jump to hunk
---
* Changes in v2- Combine all the followup patches and the
constification
patches into a series.

drivers/iio/dummy/iio_simple_dummy.c   | 2 +-
drivers/iio/industrialio-configfs.c    | 2 +-
drivers/iio/industrialio-sw-device.c   | 6 +++---
drivers/iio/industrialio-sw-trigger.c  | 6 +++---
drivers/iio/trigger/iio-trig-hrtimer.c | 2 +-
drivers/iio/trigger/iio-trig-loop.c    | 2 +-
include/linux/iio/sw_device.h          | 2 +-
include/linux/iio/sw_trigger.h         | 2 +-
8 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/iio/dummy/iio_simple_dummy.c
b/drivers/iio/dummy/iio_simple_dummy.c
index a45d01e..6205247 100644
--- a/drivers/iio/dummy/iio_simple_dummy.c
+++ b/drivers/iio/dummy/iio_simple_dummy.c
@@ -26,7 +26,7 @@
#include <linux/iio/sw_device.h>
#include "iio_simple_dummy.h"

-static struct config_item_type iio_dummy_type = {
+static const struct config_item_type iio_dummy_type = {
	.ct_owner = THIS_MODULE,
};
diff --git a/drivers/iio/industrialio-configfs.c
b/drivers/iio/industrialio-configfs.c
index 45ce2bc..5a0aae1 100644
--- a/drivers/iio/industrialio-configfs.c
+++ b/drivers/iio/industrialio-configfs.c
@@ -17,7 +17,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/configfs.h>

-static struct config_item_type iio_root_group_type = {
+static const struct config_item_type iio_root_group_type = {
	.ct_owner       = THIS_MODULE,
};
diff --git a/drivers/iio/industrialio-sw-device.c
b/drivers/iio/industrialio-sw-device.c
index 81b49cf..90df97c 100644
--- a/drivers/iio/industrialio-sw-device.c
+++ b/drivers/iio/industrialio-sw-device.c
@@ -19,9 +19,9 @@
#include <linux/configfs.h>

static struct config_group *iio_devices_group;
-static struct config_item_type iio_device_type_group_type;
+static const struct config_item_type iio_device_type_group_type;

-static struct config_item_type iio_devices_group_type = {
+static const struct config_item_type iio_devices_group_type = {
	.ct_owner = THIS_MODULE,
};
@@ -156,7 +156,7 @@ static void device_drop_group(struct config_group
*group,
	.drop_item	= &device_drop_group,
};

-static struct config_item_type iio_device_type_group_type = {
+static const struct config_item_type iio_device_type_group_type = {
	.ct_group_ops = &device_ops,
	.ct_owner       = THIS_MODULE,
};
diff --git a/drivers/iio/industrialio-sw-trigger.c
b/drivers/iio/industrialio-sw-trigger.c
index 8d24fb1..bc6b7fb 100644
--- a/drivers/iio/industrialio-sw-trigger.c
+++ b/drivers/iio/industrialio-sw-trigger.c
@@ -19,9 +19,9 @@
#include <linux/configfs.h>

static struct config_group *iio_triggers_group;
-static struct config_item_type iio_trigger_type_group_type;
+static const struct config_item_type iio_trigger_type_group_type;

-static struct config_item_type iio_triggers_group_type = {
+static const struct config_item_type iio_triggers_group_type = {
	.ct_owner = THIS_MODULE,
};
@@ -156,7 +156,7 @@ static void trigger_drop_group(struct config_group
*group,
	.drop_item	= &trigger_drop_group,
};

-static struct config_item_type iio_trigger_type_group_type = {
+static const struct config_item_type iio_trigger_type_group_type = {
	.ct_group_ops = &trigger_ops,
	.ct_owner       = THIS_MODULE,
};
diff --git a/drivers/iio/trigger/iio-trig-hrtimer.c
b/drivers/iio/trigger/iio-trig-hrtimer.c
index 3ee9216..7accd01 100644
--- a/drivers/iio/trigger/iio-trig-hrtimer.c
+++ b/drivers/iio/trigger/iio-trig-hrtimer.c
@@ -30,7 +30,7 @@ struct iio_hrtimer_info {
	ktime_t period;
};

-static struct config_item_type iio_hrtimer_type = {
+static const struct config_item_type iio_hrtimer_type = {
	.ct_owner = THIS_MODULE,
};
diff --git a/drivers/iio/trigger/iio-trig-loop.c
b/drivers/iio/trigger/iio-trig-loop.c
index b4b02db..94a90e0 100644
--- a/drivers/iio/trigger/iio-trig-loop.c
+++ b/drivers/iio/trigger/iio-trig-loop.c
@@ -36,7 +36,7 @@ struct iio_loop_info {
	struct task_struct *task;
};

-static struct config_item_type iio_loop_type = {
+static const struct config_item_type iio_loop_type = {
	.ct_owner = THIS_MODULE,
};
diff --git a/include/linux/iio/sw_device.h
b/include/linux/iio/sw_device.h
index fa79319..8642b91 100644
--- a/include/linux/iio/sw_device.h
+++ b/include/linux/iio/sw_device.h
@@ -60,7 +60,7 @@ struct iio_sw_device *to_iio_sw_device(struct
config_item *item)
static inline
void iio_swd_group_init_type_name(struct iio_sw_device *d,
				  const char *name,
-				  struct config_item_type *type)
+				  const struct config_item_type *type)
{
#if IS_ENABLED(CONFIG_CONFIGFS_FS)
	config_group_init_type_name(&d->group, name, type);
diff --git a/include/linux/iio/sw_trigger.h
b/include/linux/iio/sw_trigger.h
index c97eab6..0c43738 100644
--- a/include/linux/iio/sw_trigger.h
+++ b/include/linux/iio/sw_trigger.h
@@ -60,7 +60,7 @@ struct iio_sw_trigger *to_iio_sw_trigger(struct
config_item *item)
static inline
void iio_swt_group_init_type_name(struct iio_sw_trigger *t,
				  const char *name,
-				  struct config_item_type *type)
+				  const struct config_item_type *type)
{
#if IS_ENABLED(CONFIG_CONFIGFS_FS)
	config_group_init_type_name(&t->group, name, type);
-- 
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