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path: root/drivers/acpi/sysfs.c
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Diffstat (limited to 'drivers/acpi/sysfs.c')
-rw-r--r--drivers/acpi/sysfs.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 78a5a23010ab..06a150bb35bf 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* sysfs.c - ACPI sysfs interface to userspace.
*/
@@ -168,7 +169,8 @@ module_param_cb(debug_level, &param_ops_debug_level, &acpi_dbg_level, 0644);
static char trace_method_name[1024];
-int param_set_trace_method_name(const char *val, const struct kernel_param *kp)
+static int param_set_trace_method_name(const char *val,
+ const struct kernel_param *kp)
{
u32 saved_flags = 0;
bool is_abs_path = true;
@@ -229,7 +231,8 @@ module_param_cb(trace_method_name, &param_ops_trace_method, &trace_method_name,
module_param_cb(trace_debug_layer, &param_ops_trace_attrib, &acpi_gbl_trace_dbg_layer, 0644);
module_param_cb(trace_debug_level, &param_ops_trace_attrib, &acpi_gbl_trace_dbg_level, 0644);
-static int param_set_trace_state(const char *val, struct kernel_param *kp)
+static int param_set_trace_state(const char *val,
+ const struct kernel_param *kp)
{
acpi_status status;
const char *method = trace_method_name;
@@ -265,7 +268,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
return 0;
}
-static int param_get_trace_state(char *buffer, struct kernel_param *kp)
+static int param_get_trace_state(char *buffer, const struct kernel_param *kp)
{
if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED))
return sprintf(buffer, "disable");
@@ -294,7 +297,8 @@ MODULE_PARM_DESC(aml_debug_output,
"To enable/disable the ACPI Debug Object output.");
/* /sys/module/acpi/parameters/acpica_version */
-static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
+static int param_get_acpica_version(char *buffer,
+ const struct kernel_param *kp)
{
int result;