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authorCristian Marussi <cristian.marussi@arm.com>2021-03-16 12:48:56 +0000
committerSudeep Holla <sudeep.holla@arm.com>2021-03-30 16:35:15 +0100
commitf0e73cee26dd3edd0158dba33956f63596273ab9 (patch)
tree47b3ea7d6d914518de2fa6904695d341c827de11 /drivers/firmware/arm_scmi
parentc3ed5e953ef0cdd599e70558e2b26696f1fbe77d (diff)
firmware: arm_scmi: Make references to handle const
Now that all the protocol private variable data have been moved out of struct scmi_handle, mark all of its references as const. Link: https://lore.kernel.org/r/20210316124903.35011-32-cristian.marussi@arm.com Tested-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_scmi')
-rw-r--r--drivers/firmware/arm_scmi/common.h4
-rw-r--r--drivers/firmware/arm_scmi/driver.c10
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index 1bd332b5daa7..988f806bcf74 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -276,8 +276,8 @@ void __exit scmi_##name##_unregister(void) \
const struct scmi_protocol *scmi_protocol_get(int protocol_id);
-int scmi_protocol_acquire(struct scmi_handle *handle, u8 protocol_id);
-void scmi_protocol_release(struct scmi_handle *handle, u8 protocol_id);
+int scmi_protocol_acquire(const struct scmi_handle *handle, u8 protocol_id);
+void scmi_protocol_release(const struct scmi_handle *handle, u8 protocol_id);
/* SCMI Transport */
/**
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 23d26e8f2684..eb1276d8026e 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -739,7 +739,7 @@ scmi_alloc_init_protocol_instance(struct scmi_info *info,
int ret = -ENOMEM;
void *gid;
struct scmi_protocol_instance *pi;
- struct scmi_handle *handle = &info->handle;
+ const struct scmi_handle *handle = &info->handle;
/* Protocol specific devres group */
gid = devres_open_group(handle->dev, NULL, GFP_KERNEL);
@@ -805,7 +805,7 @@ out:
* Return: A reference to an initialized protocol instance or error on failure.
*/
static struct scmi_protocol_instance * __must_check
-scmi_get_protocol_instance(struct scmi_handle *handle, u8 protocol_id)
+scmi_get_protocol_instance(const struct scmi_handle *handle, u8 protocol_id)
{
struct scmi_protocol_instance *pi;
struct scmi_info *info = handle_to_scmi_info(handle);
@@ -840,7 +840,7 @@ scmi_get_protocol_instance(struct scmi_handle *handle, u8 protocol_id)
*
* Return: 0 if protocol was acquired successfully.
*/
-int scmi_protocol_acquire(struct scmi_handle *handle, u8 protocol_id)
+int scmi_protocol_acquire(const struct scmi_handle *handle, u8 protocol_id)
{
return PTR_ERR_OR_ZERO(scmi_get_protocol_instance(handle, protocol_id));
}
@@ -853,7 +853,7 @@ int scmi_protocol_acquire(struct scmi_handle *handle, u8 protocol_id)
* Remove one user for the specified protocol and triggers de-initialization
* and resources de-allocation once the last user has gone.
*/
-void scmi_protocol_release(struct scmi_handle *handle, u8 protocol_id)
+void scmi_protocol_release(const struct scmi_handle *handle, u8 protocol_id)
{
struct scmi_info *info = handle_to_scmi_info(handle);
struct scmi_protocol_instance *pi;
@@ -908,7 +908,7 @@ scmi_is_protocol_implemented(const struct scmi_handle *handle, u8 prot_id)
}
struct scmi_protocol_devres {
- struct scmi_handle *handle;
+ const struct scmi_handle *handle;
u8 protocol_id;
};