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path: root/drivers/acpi/system.c
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Diffstat (limited to 'drivers/acpi/system.c')
-rw-r--r--drivers/acpi/system.c31
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index e4308c7a6743..c3bb7faad75e 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -39,7 +39,7 @@ ACPI_MODULE_NAME("acpi_system")
#define ACPI_SYSTEM_FILE_EVENT "event"
#define ACPI_SYSTEM_FILE_DSDT "dsdt"
#define ACPI_SYSTEM_FILE_FADT "fadt"
-extern FADT_DESCRIPTOR acpi_fadt;
+extern struct fadt_descriptor acpi_fadt;
/* --------------------------------------------------------------------------
FS Interface (/proc)
@@ -47,10 +47,9 @@ extern FADT_DESCRIPTOR acpi_fadt;
static int acpi_system_read_info(struct seq_file *seq, void *offset)
{
- ACPI_FUNCTION_TRACE("acpi_system_read_info");
seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
- return_VALUE(0);
+ return 0;
}
static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
@@ -80,17 +79,16 @@ acpi_system_read_dsdt(struct file *file,
struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
ssize_t res;
- ACPI_FUNCTION_TRACE("acpi_system_read_dsdt");
- status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt);
+ status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
res = simple_read_from_buffer(buffer, count, ppos,
dsdt.pointer, dsdt.length);
- acpi_os_free(dsdt.pointer);
+ kfree(dsdt.pointer);
- return_VALUE(res);
+ return res;
}
static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
@@ -108,17 +106,16 @@ acpi_system_read_fadt(struct file *file,
struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL };
ssize_t res;
- ACPI_FUNCTION_TRACE("acpi_system_read_fadt");
- status = acpi_get_table(ACPI_TABLE_FADT, 1, &fadt);
+ status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
res = simple_read_from_buffer(buffer, count, ppos,
fadt.pointer, fadt.length);
- acpi_os_free(fadt.pointer);
+ kfree(fadt.pointer);
- return_VALUE(res);
+ return res;
}
static int __init acpi_system_init(void)
@@ -127,10 +124,9 @@ static int __init acpi_system_init(void)
int error = 0;
char *name;
- ACPI_FUNCTION_TRACE("acpi_system_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
/* 'info' [R] */
name = ACPI_SYSTEM_FILE_INFO;
@@ -158,12 +154,9 @@ static int __init acpi_system_init(void)
goto Error;
Done:
- return_VALUE(error);
+ return error;
Error:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' proc fs entry\n", name));
-
remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir);