diff options
Diffstat (limited to 'drivers/tty/serdev/core.c')
| -rw-r--r-- | drivers/tty/serdev/core.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 433de5ea9b02..ae1aaa0075d1 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -122,6 +122,18 @@ void serdev_device_write_wakeup(struct serdev_device *serdev) } EXPORT_SYMBOL_GPL(serdev_device_write_wakeup); +int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, size_t count) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_buf) + return -EINVAL; + + return ctrl->ops->write_buf(ctrl, buf, count); +} +EXPORT_SYMBOL_GPL(serdev_device_write_buf); + int serdev_device_write(struct serdev_device *serdev, const unsigned char *buf, size_t count, unsigned long timeout) @@ -250,11 +262,13 @@ static ssize_t modalias_show(struct device *dev, { return of_device_modalias(dev, buf, PAGE_SIZE); } +DEVICE_ATTR_RO(modalias); -static struct device_attribute serdev_device_attrs[] = { - __ATTR_RO(modalias), - __ATTR_NULL +static struct attribute *serdev_device_attrs[] = { + &dev_attr_modalias.attr, + NULL, }; +ATTRIBUTE_GROUPS(serdev_device); static struct bus_type serdev_bus_type = { .name = "serial", @@ -262,7 +276,7 @@ static struct bus_type serdev_bus_type = { .probe = serdev_drv_probe, .remove = serdev_drv_remove, .uevent = serdev_uevent, - .dev_attrs = serdev_device_attrs, + .dev_groups = serdev_device_groups, }; /** |