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path: root/drivers/acpi/button.c
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Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r--drivers/acpi/button.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 02594639c4d9..5ef885e82c78 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -82,20 +82,19 @@ static struct acpi_driver acpi_button_driver = {
82}; 82};
83 83
84struct acpi_button { 84struct acpi_button {
85 acpi_handle handle;
86 struct acpi_device *device; /* Fixed button kludge */ 85 struct acpi_device *device; /* Fixed button kludge */
87 u8 type; 86 u8 type;
88 unsigned long pushed; 87 unsigned long pushed;
89}; 88};
90 89
91static struct file_operations acpi_button_info_fops = { 90static const struct file_operations acpi_button_info_fops = {
92 .open = acpi_button_info_open_fs, 91 .open = acpi_button_info_open_fs,
93 .read = seq_read, 92 .read = seq_read,
94 .llseek = seq_lseek, 93 .llseek = seq_lseek,
95 .release = single_release, 94 .release = single_release,
96}; 95};
97 96
98static struct file_operations acpi_button_state_fops = { 97static const struct file_operations acpi_button_state_fops = {
99 .open = acpi_button_state_open_fs, 98 .open = acpi_button_state_open_fs,
100 .read = seq_read, 99 .read = seq_read,
101 .llseek = seq_lseek, 100 .llseek = seq_lseek,
@@ -137,7 +136,7 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset)
137 if (!button || !button->device) 136 if (!button || !button->device)
138 return 0; 137 return 0;
139 138
140 status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state); 139 status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, &state);
141 if (ACPI_FAILURE(status)) { 140 if (ACPI_FAILURE(status)) {
142 seq_printf(seq, "state: unsupported\n"); 141 seq_printf(seq, "state: unsupported\n");
143 } else { 142 } else {
@@ -282,7 +281,7 @@ static acpi_status acpi_button_notify_fixed(void *data)
282 if (!button) 281 if (!button)
283 return AE_BAD_PARAMETER; 282 return AE_BAD_PARAMETER;
284 283
285 acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button); 284 acpi_button_notify(button->device->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
286 285
287 return AE_OK; 286 return AE_OK;
288} 287}
@@ -303,7 +302,6 @@ static int acpi_button_add(struct acpi_device *device)
303 memset(button, 0, sizeof(struct acpi_button)); 302 memset(button, 0, sizeof(struct acpi_button));
304 303
305 button->device = device; 304 button->device = device;
306 button->handle = device->handle;
307 acpi_driver_data(device) = button; 305 acpi_driver_data(device) = button;
308 306
309 /* 307 /*
@@ -362,7 +360,7 @@ static int acpi_button_add(struct acpi_device *device)
362 button); 360 button);
363 break; 361 break;
364 default: 362 default:
365 status = acpi_install_notify_handler(button->handle, 363 status = acpi_install_notify_handler(device->handle,
366 ACPI_DEVICE_NOTIFY, 364 ACPI_DEVICE_NOTIFY,
367 acpi_button_notify, 365 acpi_button_notify,
368 button); 366 button);
@@ -420,7 +418,7 @@ static int acpi_button_remove(struct acpi_device *device, int type)
420 acpi_button_notify_fixed); 418 acpi_button_notify_fixed);
421 break; 419 break;
422 default: 420 default:
423 status = acpi_remove_notify_handler(button->handle, 421 status = acpi_remove_notify_handler(device->handle,
424 ACPI_DEVICE_NOTIFY, 422 ACPI_DEVICE_NOTIFY,
425 acpi_button_notify); 423 acpi_button_notify);
426 break; 424 break;