param: update drivers/acpi/debug.c to new scheme

The new module_param_cb() uses an ops struct, and the ops take a
const struct kernel_param pointer (it's in .rodata).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 24 insertions, 8 deletions

diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 146135e7a6a1..295dbfa2db9c 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -96,7 +96,8 @@ static const struct acpi_dlevel acpi_debug_levels[] = {
 /* --------------------------------------------------------------------------
                               FS Interface (/sys)
    -------------------------------------------------------------------------- */
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
+static int param_get_debug_layer(char *buffer, const struct kernel_param *kp)
+{
         int result = 0;
         int i;
 
@@ -118,7 +119,8 @@ static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
         return result;
 }
 
-static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
+static int param_get_debug_level(char *buffer, const struct kernel_param *kp)
+{
         int result = 0;
         int i;
 
@@ -137,8 +139,18 @@ static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
         return result;
 }
 
-module_param_call(debug_layer, param_set_uint, param_get_debug_layer, &acpi_dbg_layer, 0644);
-module_param_call(debug_level, param_set_uint, param_get_debug_level, &acpi_dbg_level, 0644);
+static struct kernel_param_ops acpi_debug_layer_ops = {
+        .set = param_set_uint,
+        .get = param_get_debug_layer,
+};
+
+static struct kernel_param_ops acpi_debug_level_ops = {
+        .set = param_set_uint,
+        .get = param_get_debug_level,
+};
+
+module_param_cb(debug_layer, &acpi_debug_layer_ops, &acpi_dbg_layer, 0644);
+module_param_cb(debug_level, &acpi_debug_level_ops, &acpi_dbg_level, 0644);
 
 static char trace_method_name[6];
 module_param_string(trace_method_name, trace_method_name, 6, 0644);
@@ -147,7 +159,7 @@ module_param(trace_debug_layer, uint, 0644);
 static unsigned int trace_debug_level;
 module_param(trace_debug_level, uint, 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)
 {
         int result = 0;
 
@@ -181,7 +193,7 @@ exit:
         return result;
 }
 
-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_method_name)
                 return sprintf(buffer, "disable");
@@ -194,8 +206,12 @@ static int param_get_trace_state(char *buffer, struct kernel_param *kp)
         return 0;
 }
 
-module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
-                  NULL, 0644);
+static struct kernel_param_ops param_ops_trace_state = {
+        .set = param_set_trace_state,
+        .get = param_get_trace_state,
+};
+
+module_param_cb(trace_state, &param_ops_trace_state, NULL, 0644);
 
 /* --------------------------------------------------------------------------
                                 DebugFS Interface