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firmware: arm_scmi: Make name_get operations return a const

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A few protocol operations are available that returns a pointer to an
internal character array representing resource name. Make those functions
return a const pointer to such array.

Link: https://lore.kernel.org/r/20220330150551.2573938-7-cristian.marussi@arm.com
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Cristian Marussi
2022-03-30 16:05:35 +01:00
committed by Sudeep Holla
parent 776b6c8a25
commit 992be5d3c8
3 changed files with 9 additions and 6 deletions
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5
drivers/firmware/arm_scmi/power.c
View File

@@ -174,8 +174,9 @@ static int scmi_power_num_domains_get(const struct scmi_protocol_handle *ph)
return pi->num_domains;
}
static char *scmi_power_name_get(const struct scmi_protocol_handle *ph,
u32 domain)
static const char *
scmi_power_name_get(const struct scmi_protocol_handle *ph,
u32 domain)
{
struct scmi_power_info *pi = ph->get_priv(ph);
struct power_dom_info *dom = pi->dom_info + domain;

4
drivers/firmware/arm_scmi/reset.c
View File

@@ -126,8 +126,8 @@ static int scmi_reset_num_domains_get(const struct scmi_protocol_handle *ph)
return pi->num_domains;
}
static char *scmi_reset_name_get(const struct scmi_protocol_handle *ph,
u32 domain)
static const char *
scmi_reset_name_get(const struct scmi_protocol_handle *ph, u32 domain)
{
struct scmi_reset_info *pi = ph->get_priv(ph);

6
include/linux/scmi_protocol.h
View File

@@ -146,7 +146,8 @@ struct scmi_perf_proto_ops {
*/
struct scmi_power_proto_ops {
int (*num_domains_get)(const struct scmi_protocol_handle *ph);
char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
const char *(*name_get)(const struct scmi_protocol_handle *ph,
u32 domain);
#define SCMI_POWER_STATE_TYPE_SHIFT 30
#define SCMI_POWER_STATE_ID_MASK (BIT(28) - 1)
#define SCMI_POWER_STATE_PARAM(type, id) \
@@ -484,7 +485,8 @@ struct scmi_sensor_proto_ops {
*/
struct scmi_reset_proto_ops {
int (*num_domains_get)(const struct scmi_protocol_handle *ph);
char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
const char *(*name_get)(const struct scmi_protocol_handle *ph,
u32 domain);
int (*latency_get)(const struct scmi_protocol_handle *ph, u32 domain);
int (*reset)(const struct scmi_protocol_handle *ph, u32 domain);
int (*assert)(const struct scmi_protocol_handle *ph, u32 domain);