diff options
| author | Jacek Anaszewski <jacek.anaszewski@gmail.com> | 2019-07-30 23:36:31 +0300 |
|---|---|---|
| committer | Jacek Anaszewski <jacek.anaszewski@gmail.com> | 2019-07-30 23:36:31 +0300 |
| commit | be7fc2cc86170bea31e1db8d596f35df52254971 (patch) | |
| tree | 31ca140aec74decbf18dfce1a7869aeeb8dcbf84 /drivers/hwtracing/intel_th/core.c | |
| parent | af7b65054952a9898534d966f2e548d7692b7016 (diff) | |
| parent | 36f3313d6bff91ab2a9e47698c27d15363640a4e (diff) | |
| download | linux-be7fc2cc86170bea31e1db8d596f35df52254971.tar.xz | |
Merge tag 'generic_lookup_helpers' into for-next
Generic Device Lookup Helpers
Persistent tag for others to pull this branch from
Based on patch series from Suzuki K Poulose <suzuki.poulose@arm.com>
with Subject: [PATCH v3 0/7] drivers: Add generic device lookup helpers
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tag 'generic_lookup_helpers':
platform: Add platform_find_device_by_driver() helper
drivers: Add generic helper to match any device
drivers: Introduce device lookup variants by ACPI_COMPANION device
drivers: Introduce device lookup variants by device type
drivers: Introduce device lookup variants by fwnode
drivers: Introduce device lookup variants by of_node
drivers: Introduce device lookup variants by name
Diffstat (limited to 'drivers/hwtracing/intel_th/core.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 55922896d862..d5c1821b31c6 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -789,12 +789,6 @@ static int intel_th_populate(struct intel_th *th) return 0; } -static int match_devt(struct device *dev, const void *data) -{ - dev_t devt = (dev_t)(unsigned long)(void *)data; - return dev->devt == devt; -} - static int intel_th_output_open(struct inode *inode, struct file *file) { const struct file_operations *fops; @@ -802,9 +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, inode->i_rdev); if (!dev || !dev->driver) return -ENODEV; |