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-rw-r--r--drivers/acpi/acpi_configfs.c7
-rw-r--r--drivers/acpi/acpi_pad.c24
-rw-r--r--drivers/acpi/acpi_tad.c14
-rw-r--r--drivers/acpi/apei/erst.c2
-rw-r--r--drivers/acpi/apei/hest.c12
-rw-r--r--drivers/acpi/bgrt.c20
-rw-r--r--drivers/acpi/cppc_acpi.c8
-rw-r--r--drivers/acpi/device_sysfs.c44
-rw-r--r--drivers/acpi/dock.c26
-rw-r--r--drivers/acpi/power.c9
10 files changed, 85 insertions, 81 deletions
diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c
index cf91f49101ea..3a14859dbb75 100644
--- a/drivers/acpi/acpi_configfs.c
+++ b/drivers/acpi/acpi_configfs.c
@@ -268,7 +268,12 @@ static int __init acpi_configfs_init(void)
acpi_table_group = configfs_register_default_group(root, "table",
&acpi_tables_type);
- return PTR_ERR_OR_ZERO(acpi_table_group);
+ if (IS_ERR(acpi_table_group)) {
+ configfs_unregister_subsystem(&acpi_configfs);
+ return PTR_ERR(acpi_table_group);
+ }
+
+ return 0;
}
module_init(acpi_configfs_init);
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index b8745ce48a47..b84ab722feb4 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -261,7 +261,7 @@ static uint32_t acpi_pad_idle_cpus_num(void)
return ps_tsk_num;
}
-static ssize_t acpi_pad_rrtime_store(struct device *dev,
+static ssize_t rrtime_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long num;
@@ -275,16 +275,14 @@ static ssize_t acpi_pad_rrtime_store(struct device *dev,
return count;
}
-static ssize_t acpi_pad_rrtime_show(struct device *dev,
+static ssize_t rrtime_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return scnprintf(buf, PAGE_SIZE, "%d\n", round_robin_time);
}
-static DEVICE_ATTR(rrtime, S_IRUGO|S_IWUSR,
- acpi_pad_rrtime_show,
- acpi_pad_rrtime_store);
+static DEVICE_ATTR_RW(rrtime);
-static ssize_t acpi_pad_idlepct_store(struct device *dev,
+static ssize_t idlepct_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long num;
@@ -298,16 +296,14 @@ static ssize_t acpi_pad_idlepct_store(struct device *dev,
return count;
}
-static ssize_t acpi_pad_idlepct_show(struct device *dev,
+static ssize_t idlepct_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return scnprintf(buf, PAGE_SIZE, "%d\n", idle_pct);
}
-static DEVICE_ATTR(idlepct, S_IRUGO|S_IWUSR,
- acpi_pad_idlepct_show,
- acpi_pad_idlepct_store);
+static DEVICE_ATTR_RW(idlepct);
-static ssize_t acpi_pad_idlecpus_store(struct device *dev,
+static ssize_t idlecpus_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long num;
@@ -319,16 +315,14 @@ static ssize_t acpi_pad_idlecpus_store(struct device *dev,
return count;
}
-static ssize_t acpi_pad_idlecpus_show(struct device *dev,
+static ssize_t idlecpus_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cpumap_print_to_pagebuf(false, buf,
to_cpumask(pad_busy_cpus_bits));
}
-static DEVICE_ATTR(idlecpus, S_IRUGO|S_IWUSR,
- acpi_pad_idlecpus_show,
- acpi_pad_idlecpus_store);
+static DEVICE_ATTR_RW(idlecpus);
static int acpi_pad_add_sysfs(struct acpi_device *device)
{
diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c
index 7d45cce0c3c1..e9b8e8305e23 100644
--- a/drivers/acpi/acpi_tad.c
+++ b/drivers/acpi/acpi_tad.c
@@ -237,7 +237,7 @@ static ssize_t time_show(struct device *dev, struct device_attribute *attr,
rt.tz, rt.daylight);
}
-static DEVICE_ATTR(time, S_IRUSR | S_IWUSR, time_show, time_store);
+static DEVICE_ATTR_RW(time);
static struct attribute *acpi_tad_time_attrs[] = {
&dev_attr_time.attr,
@@ -446,7 +446,7 @@ static ssize_t ac_alarm_show(struct device *dev, struct device_attribute *attr,
return acpi_tad_alarm_read(dev, buf, ACPI_TAD_AC_TIMER);
}
-static DEVICE_ATTR(ac_alarm, S_IRUSR | S_IWUSR, ac_alarm_show, ac_alarm_store);
+static DEVICE_ATTR_RW(ac_alarm);
static ssize_t ac_policy_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -462,7 +462,7 @@ static ssize_t ac_policy_show(struct device *dev, struct device_attribute *attr,
return acpi_tad_policy_read(dev, buf, ACPI_TAD_AC_TIMER);
}
-static DEVICE_ATTR(ac_policy, S_IRUSR | S_IWUSR, ac_policy_show, ac_policy_store);
+static DEVICE_ATTR_RW(ac_policy);
static ssize_t ac_status_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -478,7 +478,7 @@ static ssize_t ac_status_show(struct device *dev, struct device_attribute *attr,
return acpi_tad_status_read(dev, buf, ACPI_TAD_AC_TIMER);
}
-static DEVICE_ATTR(ac_status, S_IRUSR | S_IWUSR, ac_status_show, ac_status_store);
+static DEVICE_ATTR_RW(ac_status);
static struct attribute *acpi_tad_attrs[] = {
&dev_attr_caps.attr,
@@ -505,7 +505,7 @@ static ssize_t dc_alarm_show(struct device *dev, struct device_attribute *attr,
return acpi_tad_alarm_read(dev, buf, ACPI_TAD_DC_TIMER);
}
-static DEVICE_ATTR(dc_alarm, S_IRUSR | S_IWUSR, dc_alarm_show, dc_alarm_store);
+static DEVICE_ATTR_RW(dc_alarm);
static ssize_t dc_policy_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -521,7 +521,7 @@ static ssize_t dc_policy_show(struct device *dev, struct device_attribute *attr,
return acpi_tad_policy_read(dev, buf, ACPI_TAD_DC_TIMER);
}
-static DEVICE_ATTR(dc_policy, S_IRUSR | S_IWUSR, dc_policy_show, dc_policy_store);
+static DEVICE_ATTR_RW(dc_policy);
static ssize_t dc_status_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -537,7 +537,7 @@ static ssize_t dc_status_show(struct device *dev, struct device_attribute *attr,
return acpi_tad_status_read(dev, buf, ACPI_TAD_DC_TIMER);
}
-static DEVICE_ATTR(dc_status, S_IRUSR | S_IWUSR, dc_status_show, dc_status_store);
+static DEVICE_ATTR_RW(dc_status);
static struct attribute *acpi_tad_dc_attrs[] = {
&dev_attr_dc_alarm.attr,
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 2e0b0fcad960..b9597216d021 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -688,7 +688,7 @@ static int __erst_read_from_storage(u64 record_id, u64 offset)
break;
if (erst_timedout(&timeout, SPIN_UNIT))
return -EIO;
- };
+ }
rc = apei_exec_run(&ctx, ACPI_ERST_GET_COMMAND_STATUS);
if (rc)
return rc;
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 6e980fe16772..f220bb00e91b 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -49,6 +49,12 @@ static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
[ACPI_HEST_TYPE_IA32_DEFERRED_CHECK] = -1,
};
+static inline bool is_generic_error(struct acpi_hest_header *hest_hdr)
+{
+ return hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
+ hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2;
+}
+
static int hest_esrc_len(struct acpi_hest_header *hest_hdr)
{
u16 hest_type = hest_hdr->type;
@@ -141,8 +147,7 @@ static int __init hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void
{
int *count = data;
- if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
- hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2)
+ if (is_generic_error(hest_hdr))
(*count)++;
return 0;
}
@@ -153,8 +158,7 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
struct ghes_arr *ghes_arr = data;
int rc, i;
- if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR &&
- hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR_V2)
+ if (!is_generic_error(hest_hdr))
return 0;
if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
index 251f961c28cc..19bb7f870204 100644
--- a/drivers/acpi/bgrt.c
+++ b/drivers/acpi/bgrt.c
@@ -15,40 +15,40 @@
static void *bgrt_image;
static struct kobject *bgrt_kobj;
-static ssize_t show_version(struct device *dev,
+static ssize_t version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.version);
}
-static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
+static DEVICE_ATTR_RO(version);
-static ssize_t show_status(struct device *dev,
+static ssize_t status_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.status);
}
-static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
+static DEVICE_ATTR_RO(status);
-static ssize_t show_type(struct device *dev,
+static ssize_t type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.image_type);
}
-static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
+static DEVICE_ATTR_RO(type);
-static ssize_t show_xoffset(struct device *dev,
+static ssize_t xoffset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.image_offset_x);
}
-static DEVICE_ATTR(xoffset, S_IRUGO, show_xoffset, NULL);
+static DEVICE_ATTR_RO(xoffset);
-static ssize_t show_yoffset(struct device *dev,
+static ssize_t yoffset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.image_offset_y);
}
-static DEVICE_ATTR(yoffset, S_IRUGO, show_yoffset, NULL);
+static DEVICE_ATTR_RO(yoffset);
static ssize_t image_read(struct file *file, struct kobject *kobj,
struct bin_attribute *attr, char *buf, loff_t off, size_t count)
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 75aaf94ae0a9..69057fcd2c04 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -233,8 +233,8 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
{
int ret = -EIO, i;
struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id];
- struct acpi_pcct_shared_memory *generic_comm_base =
- (struct acpi_pcct_shared_memory *)pcc_ss_data->pcc_comm_addr;
+ struct acpi_pcct_shared_memory __iomem *generic_comm_base =
+ pcc_ss_data->pcc_comm_addr;
unsigned int time_delta;
/*
@@ -934,7 +934,7 @@ int __weak cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val)
static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val)
{
int ret_val = 0;
- void __iomem *vaddr = 0;
+ void __iomem *vaddr = NULL;
int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
struct cpc_reg *reg = &reg_res->cpc_entry.reg;
@@ -979,7 +979,7 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val)
static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
{
int ret_val = 0;
- void __iomem *vaddr = 0;
+ void __iomem *vaddr = NULL;
int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
struct cpc_reg *reg = &reg_res->cpc_entry.reg;
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index bfca116482b8..da4ff2a8b06a 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -325,11 +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)
@@ -358,8 +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;
@@ -387,28 +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);
@@ -417,16 +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,
@@ -455,8 +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;
@@ -467,11 +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;
@@ -482,7 +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) {
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 24e076f44d23..0937ceab052e 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -484,7 +484,7 @@ int dock_notify(struct acpi_device *adev, u32 event)
/*
* show_docked - read method for "docked" file in sysfs
*/
-static ssize_t show_docked(struct device *dev,
+static ssize_t docked_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct dock_station *dock_station = dev->platform_data;
@@ -493,25 +493,25 @@ static ssize_t show_docked(struct device *dev,
acpi_bus_get_device(dock_station->handle, &adev);
return snprintf(buf, PAGE_SIZE, "%u\n", acpi_device_enumerated(adev));
}
-static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL);
+static DEVICE_ATTR_RO(docked);
/*
* show_flags - read method for flags file in sysfs
*/
-static ssize_t show_flags(struct device *dev,
+static ssize_t flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct dock_station *dock_station = dev->platform_data;
return snprintf(buf, PAGE_SIZE, "%d\n", dock_station->flags);
}
-static DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL);
+static DEVICE_ATTR_RO(flags);
/*
* write_undock - write method for "undock" file in sysfs
*/
-static ssize_t write_undock(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t undock_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
struct dock_station *dock_station = dev->platform_data;
@@ -525,13 +525,13 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr,
acpi_scan_lock_release();
return ret ? ret: count;
}
-static DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock);
+static DEVICE_ATTR_WO(undock);
/*
* show_dock_uid - read method for "uid" file in sysfs
*/
-static ssize_t show_dock_uid(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t uid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long long lbuf;
struct dock_station *dock_station = dev->platform_data;
@@ -542,10 +542,10 @@ static ssize_t show_dock_uid(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%llx\n", lbuf);
}
-static DEVICE_ATTR(uid, S_IRUGO, show_dock_uid, NULL);
+static DEVICE_ATTR_RO(uid);
-static ssize_t show_dock_type(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t type_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct dock_station *dock_station = dev->platform_data;
char *type;
@@ -561,7 +561,7 @@ static ssize_t show_dock_type(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%s\n", type);
}
-static DEVICE_ATTR(type, S_IRUGO, show_dock_type, NULL);
+static DEVICE_ATTR_RO(type);
static struct attribute *dock_attributes[] = {
&dev_attr_docked.attr,
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 189a0d4c6d06..3a7d0d703059 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -886,15 +886,16 @@ static void acpi_release_power_resource(struct device *dev)
kfree(resource);
}
-static ssize_t acpi_power_in_use_show(struct device *dev,
- struct device_attribute *attr,
- char *buf) {
+static ssize_t resource_in_use_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
struct acpi_power_resource *resource;
resource = to_power_resource(to_acpi_device(dev));
return sprintf(buf, "%u\n", !!resource->ref_count);
}
-static DEVICE_ATTR(resource_in_use, 0444, acpi_power_in_use_show, NULL);
+static DEVICE_ATTR_RO(resource_in_use);
static void acpi_power_sysfs_remove(struct acpi_device *device)
{