platform: goldfish: pipe: Replace pr_ with dev_ for logging

dev_ is preferred if struct device is available.

Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index e9e3e79..a61cd44 100644 (file)
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -199,6 +199,9 @@ struct goldfish_pipe_dev {
        /* Head of a doubly linked list of signalled pipes */
        struct goldfish_pipe *first_signalled_pipe;
 
+       /* ptr to platform device's device struct */
+       struct device *pdev_dev;
+
        /* Some device-specific data */
        int irq;
        int version;
@@ -434,7 +437,8 @@ static ssize_t goldfish_pipe_read_write(struct file *filp,
                         * err.
                         */
                        if (status != PIPE_ERROR_AGAIN)
-                               pr_info_ratelimited("goldfish_pipe: backend error %d on %s\n",
+                               dev_err_ratelimited(pipe->dev->pdev_dev,
+                                       "backend error %d on %s\n",
                                        status, is_write ? "write" : "read");
                        break;
                }
@@ -787,6 +791,7 @@ static int goldfish_pipe_device_init(struct platform_device *pdev)
                return err;
        }
 
+       dev->pdev_dev = &pdev->dev;
        dev->first_signalled_pipe = NULL;
        dev->pipes_capacity = INITIAL_PIPES_CAPACITY;
        dev->pipes = kcalloc(dev->pipes_capacity, sizeof(*dev->pipes),