aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/device_sysfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/device_sysfs.c')
-rw-r--r--drivers/acpi/device_sysfs.c64
1 files changed, 28 insertions, 36 deletions
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 96869f1538b9..da4ff2a8b06a 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -251,20 +251,12 @@ int __acpi_device_uevent_modalias(struct acpi_device *adev,
if (add_uevent_var(env, "MODALIAS="))
return -ENOMEM;
- len = create_pnp_modalias(adev, &env->buf[env->buflen - 1],
- sizeof(env->buf) - env->buflen);
- if (len < 0)
- return len;
-
- env->buflen += len;
- if (!adev->data.of_compatible)
- return 0;
-
- if (len > 0 && add_uevent_var(env, "MODALIAS="))
- return -ENOMEM;
-
- len = create_of_modalias(adev, &env->buf[env->buflen - 1],
- sizeof(env->buf) - env->buflen);
+ if (adev->data.of_compatible)
+ len = create_of_modalias(adev, &env->buf[env->buflen - 1],
+ sizeof(env->buf) - env->buflen);
+ else
+ len = create_pnp_modalias(adev, &env->buf[env->buflen - 1],
+ sizeof(env->buf) - env->buflen);
if (len < 0)
return len;
@@ -333,11 +325,11 @@ int acpi_device_modalias(struct device *dev, char *buf, int size)
EXPORT_SYMBOL_GPL(acpi_device_modalias);
static ssize_t
-acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
+modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return __acpi_device_modalias(to_acpi_device(dev), buf, 1024);
}
-static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
+static DEVICE_ATTR_RO(modalias);
static ssize_t real_power_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -366,8 +358,8 @@ static ssize_t power_state_show(struct device *dev,
static DEVICE_ATTR_RO(power_state);
static ssize_t
-acpi_eject_store(struct device *d, struct device_attribute *attr,
- const char *buf, size_t count)
+eject_store(struct device *d, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct acpi_device *acpi_device = to_acpi_device(d);
acpi_object_type not_used;
@@ -395,28 +387,28 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN;
}
-static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store);
+static DEVICE_ATTR_WO(eject);
static ssize_t
-acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf)
+hid_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev));
}
-static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL);
+static DEVICE_ATTR_RO(hid);
-static ssize_t acpi_device_uid_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t uid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
return sprintf(buf, "%s\n", acpi_dev->pnp.unique_id);
}
-static DEVICE_ATTR(uid, 0444, acpi_device_uid_show, NULL);
+static DEVICE_ATTR_RO(uid);
-static ssize_t acpi_device_adr_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t adr_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
@@ -425,16 +417,16 @@ static ssize_t acpi_device_adr_show(struct device *dev,
else
return sprintf(buf, "0x%08llx\n", acpi_dev->pnp.bus_address);
}
-static DEVICE_ATTR(adr, 0444, acpi_device_adr_show, NULL);
+static DEVICE_ATTR_RO(adr);
-static ssize_t acpi_device_path_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t path_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
return acpi_object_path(acpi_dev->handle, buf);
}
-static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL);
+static DEVICE_ATTR_RO(path);
/* sysfs file that shows description text from the ACPI _STR method */
static ssize_t description_show(struct device *dev,
@@ -463,8 +455,8 @@ static ssize_t description_show(struct device *dev,
static DEVICE_ATTR_RO(description);
static ssize_t
-acpi_device_sun_show(struct device *dev, struct device_attribute *attr,
- char *buf) {
+sun_show(struct device *dev, struct device_attribute *attr,
+ char *buf) {
struct acpi_device *acpi_dev = to_acpi_device(dev);
acpi_status status;
unsigned long long sun;
@@ -475,11 +467,11 @@ acpi_device_sun_show(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%llu\n", sun);
}
-static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL);
+static DEVICE_ATTR_RO(sun);
static ssize_t
-acpi_device_hrv_show(struct device *dev, struct device_attribute *attr,
- char *buf) {
+hrv_show(struct device *dev, struct device_attribute *attr,
+ char *buf) {
struct acpi_device *acpi_dev = to_acpi_device(dev);
acpi_status status;
unsigned long long hrv;
@@ -490,7 +482,7 @@ acpi_device_hrv_show(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%llu\n", hrv);
}
-static DEVICE_ATTR(hrv, 0444, acpi_device_hrv_show, NULL);
+static DEVICE_ATTR_RO(hrv);
static ssize_t status_show(struct device *dev, struct device_attribute *attr,
char *buf) {