diff mbox series

[v1,2/2] spi: Use device_find_first_child() instead of custom approach

Message ID 20220607202058.8304-2-andriy.shevchenko@linux.intel.com
State Accepted
Commit c21b0837983d3b00c4f73927dae8441bf478087f
Headers show
Series [v1,1/2] driver core: Introduce device_find_first_child() helper | expand

Commit Message

Andy Shevchenko June 7, 2022, 8:20 p.m. UTC 
We have already a helper to get the first child device, use it and
drop custom approach.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/spi/spi.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index ea09d1b42bf6..87dc8773108b 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2613,11 +2613,6 @@  int spi_slave_abort(struct spi_device *spi)
 }
 EXPORT_SYMBOL_GPL(spi_slave_abort);
 
-static int match_true(struct device *dev, void *data)
-{
-	return 1;
-}
-
 static ssize_t slave_show(struct device *dev, struct device_attribute *attr,
 			  char *buf)
 {
@@ -2625,7 +2620,7 @@  static ssize_t slave_show(struct device *dev, struct device_attribute *attr,
 						   dev);
 	struct device *child;
 
-	child = device_find_child(&ctlr->dev, NULL, match_true);
+	child = device_find_first_child(&ctlr->dev);
 	return sprintf(buf, "%s\n",
 		       child ? to_spi_device(child)->modalias : NULL);
 }
@@ -2644,7 +2639,7 @@  static ssize_t slave_store(struct device *dev, struct device_attribute *attr,
 	if (rc != 1 || !name[0])
 		return -EINVAL;
 
-	child = device_find_child(&ctlr->dev, NULL, match_true);
+	child = device_find_first_child(&ctlr->dev);
 	if (child) {
 		/* Remove registered slave */
 		device_unregister(child);