iio: core: Use pr_err instead of printk

Use of pr_err is preferred to printk.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index f7211576abe5..e4780b41ae04 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -9,6 +9,8 @@
  * Based on elements of hwmon and input subsystems.
  */
 
+#define pr_fmt(fmt) "iio-core: " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/idr.h>
@@ -132,16 +134,13 @@ static int __init iio_init(void)
         /* Register sysfs bus */
         ret  = bus_register(&iio_bus_type);
         if (ret < 0) {
-                printk(KERN_ERR
-                       "%s could not register bus type\n",
-                        __FILE__);
+                pr_err("could not register bus type\n");
                 goto error_nothing;
         }
 
         ret = alloc_chrdev_region(&iio_devt, 0, IIO_DEV_MAX, "iio");
         if (ret < 0) {
-                printk(KERN_ERR "%s: failed to allocate char dev region\n",
-                       __FILE__);
+                pr_err("failed to allocate char dev region\n");
                 goto error_unregister_bus_type;
         }
 
@@ -951,7 +950,7 @@ struct iio_dev *iio_device_alloc(int sizeof_priv)
                 dev->id = ida_simple_get(&iio_ida, 0, 0, GFP_KERNEL);
                 if (dev->id < 0) {
                         /* cannot use a dev_err as the name isn't available */
-                        printk(KERN_ERR "Failed to get id\n");
+                        pr_err("failed to get device id\n");
                         kfree(dev);
                         return NULL;
                 }