diff options
Diffstat (limited to 'drivers/firmware')
-rw-r--r-- | drivers/firmware/dmi-id.c | 62 | ||||
-rw-r--r-- | drivers/firmware/edd.c | 4 | ||||
-rw-r--r-- | drivers/firmware/efivars.c | 4 |
3 files changed, 42 insertions, 28 deletions
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c index 59c3b5aa89f..b6e1eb77d14 100644 --- a/drivers/firmware/dmi-id.c +++ b/drivers/firmware/dmi-id.c @@ -13,21 +13,31 @@ #include <linux/device.h> #include <linux/autoconf.h> -#define DEFINE_DMI_ATTR(_name, _mode, _show) \ -static struct device_attribute sys_dmi_##_name##_attr = \ - __ATTR(_name, _mode, _show, NULL); - -#define DEFINE_DMI_ATTR_WITH_SHOW(_name, _mode, _field) \ -static ssize_t sys_dmi_##_name##_show(struct device *dev, \ - struct device_attribute *attr, \ - char *page) \ -{ \ - ssize_t len; \ - len = scnprintf(page, PAGE_SIZE, "%s\n", dmi_get_system_info(_field)); \ - page[len-1] = '\n'; \ - return len; \ -} \ -DEFINE_DMI_ATTR(_name, _mode, sys_dmi_##_name##_show); +struct dmi_device_attribute{ + struct device_attribute dev_attr; + int field; +}; +#define to_dmi_dev_attr(_dev_attr) \ + container_of(_dev_attr, struct dmi_device_attribute, dev_attr) + +static ssize_t sys_dmi_field_show(struct device *dev, + struct device_attribute *attr, + char *page) +{ + int field = to_dmi_dev_attr(attr)->field; + ssize_t len; + len = scnprintf(page, PAGE_SIZE, "%s\n", dmi_get_system_info(field)); + page[len-1] = '\n'; + return len; +} + +#define DMI_ATTR(_name, _mode, _show, _field) \ + { .dev_attr = __ATTR(_name, _mode, _show, NULL), \ + .field = _field } + +#define DEFINE_DMI_ATTR_WITH_SHOW(_name, _mode, _field) \ +static struct dmi_device_attribute sys_dmi_##_name##_attr = \ + DMI_ATTR(_name, _mode, sys_dmi_field_show, _field); DEFINE_DMI_ATTR_WITH_SHOW(bios_vendor, 0444, DMI_BIOS_VENDOR); DEFINE_DMI_ATTR_WITH_SHOW(bios_version, 0444, DMI_BIOS_VERSION); @@ -121,7 +131,8 @@ static ssize_t sys_dmi_modalias_show(struct device *dev, return r+1; } -DEFINE_DMI_ATTR(modalias, 0444, sys_dmi_modalias_show); +static struct device_attribute sys_dmi_modalias_attr = + __ATTR(modalias, 0444, sys_dmi_modalias_show, NULL); static struct attribute *sys_dmi_attributes[DMI_STRING_MAX+2]; @@ -134,14 +145,17 @@ static struct attribute_group* sys_dmi_attribute_groups[] = { NULL }; -static int dmi_dev_uevent(struct device *dev, char **envp, - int num_envp, char *buffer, int buffer_size) +static int dmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env) { - strcpy(buffer, "MODALIAS="); - get_modalias(buffer+9, buffer_size-9); - envp[0] = buffer; - envp[1] = NULL; - + ssize_t len; + + if (add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + len = get_modalias(&env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); + if (len >= (sizeof(env->buf) - env->buflen)) + return -ENOMEM; + env->buflen += len; return 0; } @@ -157,7 +171,7 @@ static struct device *dmi_dev; #define ADD_DMI_ATTR(_name, _field) \ if (dmi_get_system_info(_field)) \ - sys_dmi_attributes[i++] = & sys_dmi_##_name##_attr.attr; + sys_dmi_attributes[i++] = &sys_dmi_##_name##_attr.dev_attr.attr; extern int dmi_available; diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c index 0fb730ee1da..6942e065e60 100644 --- a/drivers/firmware/edd.c +++ b/drivers/firmware/edd.c @@ -625,13 +625,13 @@ static void edd_release(struct kobject * kobj) kfree(dev); } -static struct kobj_type ktype_edd = { +static struct kobj_type edd_ktype = { .release = edd_release, .sysfs_ops = &edd_attr_ops, .default_attrs = def_attrs, }; -static decl_subsys(edd,&ktype_edd,NULL); +static decl_subsys(edd, &edd_ktype, NULL); /** diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index bfd2d67df68..858a7b95933 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -402,7 +402,7 @@ static struct attribute *def_attrs[] = { NULL, }; -static struct kobj_type ktype_efivar = { +static struct kobj_type efivar_ktype = { .release = efivar_release, .sysfs_ops = &efivar_attr_ops, .default_attrs = def_attrs, @@ -583,7 +583,7 @@ static struct subsys_attribute *efi_subsys_attrs[] = { NULL, /* maybe more in the future? */ }; -static decl_subsys(vars, &ktype_efivar, NULL); +static decl_subsys(vars, &efivar_ktype, NULL); static decl_subsys(efi, NULL, NULL); /* |