spi: core: Use DEVICE_ATTR_RW() for SPI slave control sysfs attribute

Convert the SPI slave control sysfs attribute from DEVICE_ATTR() to
DEVICE_ATTR_RW(), to reduce boilerplate.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190731124738.14519-1-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 75ac046cae5267b712fef17dec0ba1f2d381838d..9fd7926e80c076818214814e10047c1ab466b3d6 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2105,8 +2105,8 @@ static int match_true(struct device *dev, void *data)
        return 1;
 }
 
-static ssize_t spi_slave_show(struct device *dev,
-                             struct device_attribute *attr, char *buf)
+static ssize_t slave_show(struct device *dev, struct device_attribute *attr,
+                         char *buf)
 {
        struct spi_controller *ctlr = container_of(dev, struct spi_controller,
                                                   dev);
@@ -2117,9 +2117,8 @@ static ssize_t spi_slave_show(struct device *dev,
                       child ? to_spi_device(child)->modalias : NULL);
 }
 
-static ssize_t spi_slave_store(struct device *dev,
-                              struct device_attribute *attr, const char *buf,
-                              size_t count)
+static ssize_t slave_store(struct device *dev, struct device_attribute *attr,
+                          const char *buf, size_t count)
 {
        struct spi_controller *ctlr = container_of(dev, struct spi_controller,
                                                   dev);
@@ -2157,7 +2156,7 @@ static ssize_t spi_slave_store(struct device *dev,
        return count;
 }
 
-static DEVICE_ATTR(slave, 0644, spi_slave_show, spi_slave_store);
+static DEVICE_ATTR_RW(slave);
 
 static struct attribute *spi_slave_attrs[] = {
        &dev_attr_slave.attr,