diff options
Diffstat (limited to 'drivers/platform/x86/dell/dcdbas.c')
| -rw-r--r-- | drivers/platform/x86/dell/dcdbas.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/platform/x86/dell/dcdbas.c b/drivers/platform/x86/dell/dcdbas.c index 0ecb7b164750..678f44252a45 100644 --- a/drivers/platform/x86/dell/dcdbas.c +++ b/drivers/platform/x86/dell/dcdbas.c @@ -7,7 +7,7 @@ * and Host Control Actions (power cycle or power off after OS shutdown) on * Dell systems. * - * See Documentation/driver-api/dcdbas.rst for more information. + * See Documentation/userspace-api/dcdbas.rst for more information. * * Copyright (C) 1995-2006 Dell Inc. */ @@ -29,6 +29,7 @@ #include <linux/smp.h> #include <linux/spinlock.h> #include <linux/string.h> +#include <linux/sysfs.h> #include <linux/types.h> #include <linux/mutex.h> @@ -132,14 +133,14 @@ static ssize_t smi_data_buf_phys_addr_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%x\n", (u32)smi_buf.dma); + return sysfs_emit(buf, "%x\n", (u32)smi_buf.dma); } static ssize_t smi_data_buf_size_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%lu\n", smi_buf.size); + return sysfs_emit(buf, "%lu\n", smi_buf.size); } static ssize_t smi_data_buf_size_store(struct device *dev, @@ -162,7 +163,7 @@ static ssize_t smi_data_buf_size_store(struct device *dev, } static ssize_t smi_data_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, + const struct bin_attribute *bin_attr, char *buf, loff_t pos, size_t count) { ssize_t ret; @@ -175,7 +176,7 @@ static ssize_t smi_data_read(struct file *filp, struct kobject *kobj, } static ssize_t smi_data_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, + const struct bin_attribute *bin_attr, char *buf, loff_t pos, size_t count) { ssize_t ret; @@ -200,7 +201,7 @@ static ssize_t host_control_action_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", host_control_action); + return sysfs_emit(buf, "%u\n", host_control_action); } static ssize_t host_control_action_store(struct device *dev, @@ -224,7 +225,7 @@ static ssize_t host_control_smi_type_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", host_control_smi_type); + return sysfs_emit(buf, "%u\n", host_control_smi_type); } static ssize_t host_control_smi_type_store(struct device *dev, @@ -239,7 +240,7 @@ static ssize_t host_control_on_shutdown_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%u\n", host_control_on_shutdown); + return sysfs_emit(buf, "%u\n", host_control_on_shutdown); } static ssize_t host_control_on_shutdown_store(struct device *dev, @@ -635,9 +636,9 @@ static struct notifier_block dcdbas_reboot_nb = { .priority = INT_MIN }; -static DCDBAS_BIN_ATTR_RW(smi_data); +static const BIN_ATTR_ADMIN_RW(smi_data, 0); -static struct bin_attribute *dcdbas_bin_attrs[] = { +static const struct bin_attribute *const dcdbas_bin_attrs[] = { &bin_attr_smi_data, NULL }; @@ -698,12 +699,10 @@ static int dcdbas_probe(struct platform_device *dev) return 0; } -static int dcdbas_remove(struct platform_device *dev) +static void dcdbas_remove(struct platform_device *dev) { unregister_reboot_notifier(&dcdbas_reboot_nb); sysfs_remove_group(&dev->dev.kobj, &dcdbas_attr_group); - - return 0; } static struct platform_driver dcdbas_driver = { |