[RFC,18/57] drivers: intel_th: Use bus_find_device_by_devt helper
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Message ID 1559577023-558-19-git-send-email-suzuki.poulose@arm.com
State New
Headers show
Series
  • [RFC,01/57] drivers: s390/cio: Use driver_for_each_device
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Commit Message

Suzuki K Poulose June 3, 2019, 3:49 p.m. UTC
Switch to using the bus_find_device_by_devt helper

Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 drivers/hwtracing/intel_th/core.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

Patch
diff mbox series

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 033dce5..a85e236 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -789,13 +789,6 @@  static int intel_th_populate(struct intel_th *th)
 	return 0;
 }
 
-static int match_devt(struct device *dev, void *data)
-{
-	dev_t devt = (dev_t)(unsigned long)data;
-
-	return dev->devt == devt;
-}
-
 static int intel_th_output_open(struct inode *inode, struct file *file)
 {
 	const struct file_operations *fops;
@@ -803,9 +796,7 @@  static int intel_th_output_open(struct inode *inode, struct file *file)
 	struct device *dev;
 	int err;
 
-	dev = bus_find_device(&intel_th_bus, NULL,
-			      (void *)(unsigned long)inode->i_rdev,
-			      match_devt);
+	dev = bus_find_device_by_devt(&intel_th_bus, NULL, inode->i_rdev);
 	if (!dev || !dev->driver)
 		return -ENODEV;