serial: 8250_port: Switch to use DEVICE_ATTR_RW() (567a0e17) · Commits · 戴 / test

drivers/tty/serial/8250/8250_port.c

+6 −8

Original line number	Diff line number	Diff line
		@@ -2876,7 +2876,7 @@ static int do_serial8250_get_rxtrig(struct tty_port *port)
		return rxtrig_bytes;
		}

		static ssize_t serial8250_get_attr_rx_trig_bytes(struct device *dev,
		static ssize_t rx_trig_bytes_show(struct device *dev,
		struct device_attribute attr, char buf)
		{
		struct tty_port *port = dev_get_drvdata(dev);
		@@ -2922,7 +2922,7 @@ static int do_serial8250_set_rxtrig(struct tty_port *port, unsigned char bytes)
		return ret;
		}

		static ssize_t serial8250_set_attr_rx_trig_bytes(struct device *dev,
		static ssize_t rx_trig_bytes_store(struct device *dev,
		struct device_attribute attr, const char buf, size_t count)
		{
		struct tty_port *port = dev_get_drvdata(dev);
		@@ -2943,13 +2943,11 @@ static ssize_t serial8250_set_attr_rx_trig_bytes(struct device *dev,
		return count;
		}

		static DEVICE_ATTR(rx_trig_bytes, S_IRUSR \| S_IWUSR \| S_IRGRP,
		serial8250_get_attr_rx_trig_bytes,
		serial8250_set_attr_rx_trig_bytes);
		static DEVICE_ATTR_RW(rx_trig_bytes);

		static struct attribute *serial8250_dev_attrs[] = {
		&dev_attr_rx_trig_bytes.attr,
		NULL,
		NULL
		};

		static struct attribute_group serial8250_dev_attr_group = {