diff options
Diffstat (limited to 'drivers/misc/mei/main.c')
| -rw-r--r-- | drivers/misc/mei/main.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index fa50635512e8..e1bf54481fd6 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -322,7 +322,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, goto out; } - rets = mei_cl_write(cl, cb, false); + rets = mei_cl_write(cl, cb); out: mutex_unlock(&dev->device_lock); return rets; @@ -653,7 +653,7 @@ static int mei_fasync(int fd, struct file *file, int band) } /** - * fw_status_show - mei device attribute show method + * fw_status_show - mei device fw_status attribute show method * * @device: device pointer * @attr: attribute pointer @@ -684,8 +684,49 @@ static ssize_t fw_status_show(struct device *device, } static DEVICE_ATTR_RO(fw_status); +/** + * hbm_ver_show - display HBM protocol version negotiated with FW + * + * @device: device pointer + * @attr: attribute pointer + * @buf: char out buffer + * + * Return: number of the bytes printed into buf or error + */ +static ssize_t hbm_ver_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + struct mei_device *dev = dev_get_drvdata(device); + struct hbm_version ver; + + mutex_lock(&dev->device_lock); + ver = dev->version; + mutex_unlock(&dev->device_lock); + + return sprintf(buf, "%u.%u\n", ver.major_version, ver.minor_version); +} +static DEVICE_ATTR_RO(hbm_ver); + +/** + * hbm_ver_drv_show - display HBM protocol version advertised by driver + * + * @device: device pointer + * @attr: attribute pointer + * @buf: char out buffer + * + * Return: number of the bytes printed into buf or error + */ +static ssize_t hbm_ver_drv_show(struct device *device, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%u.%u\n", HBM_MAJOR_VERSION, HBM_MINOR_VERSION); +} +static DEVICE_ATTR_RO(hbm_ver_drv); + static struct attribute *mei_attrs[] = { &dev_attr_fw_status.attr, + &dev_attr_hbm_ver.attr, + &dev_attr_hbm_ver_drv.attr, NULL }; ATTRIBUTE_GROUPS(mei); |