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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.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 56a746bad495..c90bd2f70b3f 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -47,10 +47,9 @@ extern struct fadt_descriptor acpi_fadt;
47 47
48static int acpi_system_read_info(struct seq_file *seq, void *offset) 48static int acpi_system_read_info(struct seq_file *seq, void *offset)
49{ 49{
50 ACPI_FUNCTION_TRACE("acpi_system_read_info");
51 50
52 seq_printf(seq, "version: %x\n", ACPI_CA_VERSION); 51 seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
53 return_VALUE(0); 52 return 0;
54} 53}
55 54
56static int acpi_system_info_open_fs(struct inode *inode, struct file *file) 55static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
@@ -80,17 +79,16 @@ acpi_system_read_dsdt(struct file *file,
80 struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL }; 79 struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
81 ssize_t res; 80 ssize_t res;
82 81
83 ACPI_FUNCTION_TRACE("acpi_system_read_dsdt");
84 82
85 status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt); 83 status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
86 if (ACPI_FAILURE(status)) 84 if (ACPI_FAILURE(status))
87 return_VALUE(-ENODEV); 85 return -ENODEV;
88 86
89 res = simple_read_from_buffer(buffer, count, ppos, 87 res = simple_read_from_buffer(buffer, count, ppos,
90 dsdt.pointer, dsdt.length); 88 dsdt.pointer, dsdt.length);
91 acpi_os_free(dsdt.pointer); 89 acpi_os_free(dsdt.pointer);
92 90
93 return_VALUE(res); 91 return res;
94} 92}
95 93
96static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t, 94static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
@@ -108,17 +106,16 @@ acpi_system_read_fadt(struct file *file,
108 struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL }; 106 struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL };
109 ssize_t res; 107 ssize_t res;
110 108
111 ACPI_FUNCTION_TRACE("acpi_system_read_fadt");
112 109
113 status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt); 110 status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt);
114 if (ACPI_FAILURE(status)) 111 if (ACPI_FAILURE(status))
115 return_VALUE(-ENODEV); 112 return -ENODEV;
116 113
117 res = simple_read_from_buffer(buffer, count, ppos, 114 res = simple_read_from_buffer(buffer, count, ppos,
118 fadt.pointer, fadt.length); 115 fadt.pointer, fadt.length);
119 acpi_os_free(fadt.pointer); 116 acpi_os_free(fadt.pointer);
120 117
121 return_VALUE(res); 118 return res;
122} 119}
123 120
124static int __init acpi_system_init(void) 121static int __init acpi_system_init(void)
@@ -127,10 +124,9 @@ static int __init acpi_system_init(void)
127 int error = 0; 124 int error = 0;
128 char *name; 125 char *name;
129 126
130 ACPI_FUNCTION_TRACE("acpi_system_init");
131 127
132 if (acpi_disabled) 128 if (acpi_disabled)
133 return_VALUE(0); 129 return 0;
134 130
135 /* 'info' [R] */ 131 /* 'info' [R] */
136 name = ACPI_SYSTEM_FILE_INFO; 132 name = ACPI_SYSTEM_FILE_INFO;
@@ -158,7 +154,7 @@ static int __init acpi_system_init(void)
158 goto Error; 154 goto Error;
159 155
160 Done: 156 Done:
161 return_VALUE(error); 157 return error;
162 158
163 Error: 159 Error:
164 remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir); 160 remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);