iio: buffer: cleanup messages in iio_update_buffers()

1. make messages grepable (in one line)
2. include returned errno in them

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index aaadd32f9f0d4da915d96c37fb33b52c6ef0febe..e73033f3839a5e1eceba486cadf2825b30fb7027 100644 (file)
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -542,8 +542,7 @@ int iio_update_buffers(struct iio_dev *indio_dev,
                ret = indio_dev->setup_ops->preenable(indio_dev);
                if (ret) {
                        printk(KERN_ERR
-                              "Buffer not started:"
-                              "buffer preenable failed\n");
+                              "Buffer not started: buffer preenable failed (%d)\n", ret);
                        goto error_remove_inserted;
                }
        }
@@ -556,8 +555,7 @@ int iio_update_buffers(struct iio_dev *indio_dev,
                        ret = buffer->access->request_update(buffer);
                        if (ret) {
                                printk(KERN_INFO
-                                      "Buffer not started:"
-                                      "buffer parameter update failed\n");
+                                      "Buffer not started: buffer parameter update failed (%d)\n", ret);
                                goto error_run_postdisable;
                        }
                }
@@ -566,7 +564,7 @@ int iio_update_buffers(struct iio_dev *indio_dev,
                        ->update_scan_mode(indio_dev,
                                           indio_dev->active_scan_mask);
                if (ret < 0) {
-                       printk(KERN_INFO "update scan mode failed\n");
+                       printk(KERN_INFO "Buffer not started: update scan mode failed (%d)\n", ret);
                        goto error_run_postdisable;
                }
        }
@@ -590,7 +588,7 @@ int iio_update_buffers(struct iio_dev *indio_dev,
                ret = indio_dev->setup_ops->postenable(indio_dev);
                if (ret) {
                        printk(KERN_INFO
-                              "Buffer not started: postenable failed\n");
+                              "Buffer not started: postenable failed (%d)\n", ret);
                        indio_dev->currentmode = INDIO_DIRECT_MODE;
                        if (indio_dev->setup_ops->postdisable)
                                indio_dev->setup_ops->postdisable(indio_dev);