ACPI: introduce drivers/acpi/sysfs.c

Introduce drivers/acpi/sysfs.c.

code for ACPI sysfs I/F, including
#ifdef ACPI_DEBUG
/sys/module/acpi/parameters/debug_layer
/sys/module/acpi/parameters/debug_level
/sys/module/acpi/parameters/trace_method_name
/sys/module/acpi/parameters/trace_debug_layer
/sys/module/acpi/parameters/trace_debug_level
/sys/module/acpi/parameters/trace_state
#endif
/sys/module/acpi/parameters/acpica_version
/sys/firmware/acpi/tables/
/sys/firmware/acpi/interrupts/
is moved to this file.

No function change in this patch.

Signed-off-by: Zhang Rui <[email protected]>
Signed-off-by: Len Brown <[email protected]>

Author: zhang-rui

drivers/acpi/Makefile

@@ -38,6 +38,7 @@ acpi-$(CONFIG_ACPI_DOCK)	+= dock.o
 acpi-y				+= pci_root.o pci_link.o pci_irq.o pci_bind.o
 acpi-y				+= power.o
 acpi-y				+= system.o event.o
+acpi-y				+= sysfs.o
 acpi-$(CONFIG_ACPI_DEBUG)	+= debug.o
 acpi-$(CONFIG_DEBUG_FS)		+= debugfs.o
 acpi-$(CONFIG_ACPI_NUMA)	+= numa.o

drivers/acpi/bus.c

@@ -1036,6 +1036,7 @@ static int __init acpi_init(void)
 	acpi_power_init();
 	acpi_system_init();
 	acpi_debug_init();
+	acpi_sysfs_init();
 	acpi_debugfs_init();
 	acpi_sleep_proc_init();
 	acpi_wakeup_device_init();

drivers/acpi/debug.c

@@ -93,110 +93,6 @@ static const struct acpi_dlevel acpi_debug_levels[] = {
 	ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
 };
 
-/* --------------------------------------------------------------------------
-                              FS Interface (/sys)
-   -------------------------------------------------------------------------- */
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
-	int result = 0;
-	int i;
-
-	result = sprintf(buffer, "%-25s\tHex        SET\n", "Description");
-
-	for(i = 0; i <ARRAY_SIZE(acpi_debug_layers); i++) {
-		result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
-					acpi_debug_layers[i].name,
-					acpi_debug_layers[i].value,
-					(acpi_dbg_layer & acpi_debug_layers[i].value) ? '*' : ' ');
-	}
-	result += sprintf(buffer+result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
-					ACPI_ALL_DRIVERS,
-					(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
-					ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
-					ACPI_ALL_DRIVERS) == 0 ? ' ' : '-');
-	result += sprintf(buffer+result, "--\ndebug_layer = 0x%08X ( * = enabled)\n", acpi_dbg_layer);
-
-	return result;
-}
-
-static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
-	int result = 0;
-	int i;
-
-	result = sprintf(buffer, "%-25s\tHex        SET\n", "Description");
-
-	for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
-		result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
-				     acpi_debug_levels[i].name,
-				     acpi_debug_levels[i].value,
-				     (acpi_dbg_level & acpi_debug_levels[i].
-				      value) ? '*' : ' ');
-	}
-	result += sprintf(buffer+result, "--\ndebug_level = 0x%08X (* = enabled)\n",
-			     acpi_dbg_level);
-
-	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 char trace_method_name[6];
-module_param_string(trace_method_name, trace_method_name, 6, 0644);
-static unsigned int trace_debug_layer;
-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)
-{
-	int result = 0;
-
-	if (!strncmp(val, "enable", strlen("enable") - 1)) {
-		result = acpi_debug_trace(trace_method_name, trace_debug_level,
-					  trace_debug_layer, 0);
-		if (result)
-			result = -EBUSY;
-		goto exit;
-	}
-
-	if (!strncmp(val, "disable", strlen("disable") - 1)) {
-		int name = 0;
-		result = acpi_debug_trace((char *)&name, trace_debug_level,
-					  trace_debug_layer, 0);
-		if (result)
-			result = -EBUSY;
-		goto exit;
-	}
-
-	if (!strncmp(val, "1", 1)) {
-		result = acpi_debug_trace(trace_method_name, trace_debug_level,
-					  trace_debug_layer, 1);
-		if (result)
-			result = -EBUSY;
-		goto exit;
-	}
-
-	result = -EINVAL;
-exit:
-	return result;
-}
-
-static int param_get_trace_state(char *buffer, struct kernel_param *kp)
-{
-	if (!acpi_gbl_trace_method_name)
-		return sprintf(buffer, "disable");
-	else {
-		if (acpi_gbl_trace_flags & 1)
-			return sprintf(buffer, "1");
-		else
-			return sprintf(buffer, "enable");
-	}
-	return 0;
-}
-
-module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
-		  NULL, 0644);
-
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */

drivers/acpi/internal.h

@@ -23,6 +23,7 @@
 int init_acpi_device_notify(void);
 int acpi_scan_init(void);
 int acpi_system_init(void);
+int acpi_sysfs_init(void);
 
 #ifdef CONFIG_ACPI_DEBUG
 int acpi_debug_init(void);