dmaengine: struct device - replace bus_id with dev_name(), dev_set_name()

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index dc003a3a787d545207fed8be6e81bb4aacd970c1..5317e08221ecb2a34e699c77bac4f72a505f59e6 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -399,8 +399,8 @@ int dma_async_device_register(struct dma_device *device)
                chan->chan_id = chancnt++;
                chan->dev.class = &dma_devclass;
                chan->dev.parent = device->dev;
-               snprintf(chan->dev.bus_id, BUS_ID_SIZE, "dma%dchan%d",
-                        device->dev_id, chan->chan_id);
+               dev_set_name(&chan->dev, "dma%dchan%d",
+                            device->dev_id, chan->chan_id);
 
                rc = device_register(&chan->dev);
                if (rc) {

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index d1e381e35a9e1887e79667d3df734d3dd37ad5b9..ed9636bfb54af0e1805ed3ab4dc039b59e434213 100644 (file)
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -20,11 +20,11 @@ static unsigned int test_buf_size = 16384;
 module_param(test_buf_size, uint, S_IRUGO);
 MODULE_PARM_DESC(test_buf_size, "Size of the memcpy test buffer");
 
-static char test_channel[BUS_ID_SIZE];
+static char test_channel[20];
 module_param_string(channel, test_channel, sizeof(test_channel), S_IRUGO);
 MODULE_PARM_DESC(channel, "Bus ID of the channel to test (default: any)");
 
-static char test_device[BUS_ID_SIZE];
+static char test_device[20];
 module_param_string(device, test_device, sizeof(test_device), S_IRUGO);
 MODULE_PARM_DESC(device, "Bus ID of the DMA Engine to test (default: any)");
 
@@ -80,14 +80,14 @@ static bool dmatest_match_channel(struct dma_chan *chan)
 {
        if (test_channel[0] == '\0')
                return true;
-       return strcmp(chan->dev.bus_id, test_channel) == 0;
+       return strcmp(dev_name(&chan->dev), test_channel) == 0;
 }
 
 static bool dmatest_match_device(struct dma_device *device)
 {
        if (test_device[0] == '\0')
                return true;
-       return strcmp(device->dev->bus_id, test_device) == 0;
+       return strcmp(dev_name(device->dev), test_device) == 0;
 }
 
 static unsigned long dmatest_random(void)
@@ -332,7 +332,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan)
 
        dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL);
        if (!dtc) {
-               pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id);
+               pr_warning("dmatest: No memory for %s\n", dev_name(&chan->dev));
                return DMA_NAK;
        }
 
@@ -343,16 +343,16 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan)
                thread = kzalloc(sizeof(struct dmatest_thread), GFP_KERNEL);
                if (!thread) {
                        pr_warning("dmatest: No memory for %s-test%u\n",
-                                       chan->dev.bus_id, i);
+                                  dev_name(&chan->dev), i);
                        break;
                }
                thread->chan = dtc->chan;
                smp_wmb();
                thread->task = kthread_run(dmatest_func, thread, "%s-test%u",
-                               chan->dev.bus_id, i);
+                               dev_name(&chan->dev), i);
                if (IS_ERR(thread->task)) {
                        pr_warning("dmatest: Failed to run thread %s-test%u\n",
-                                       chan->dev.bus_id, i);
+                                       dev_name(&chan->dev), i);
                        kfree(thread);
                        break;
                }
@@ -362,7 +362,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan)
                list_add_tail(&thread->node, &dtc->threads);
        }
 
-       pr_info("dmatest: Started %u threads using %s\n", i, chan->dev.bus_id);
+       pr_info("dmatest: Started %u threads using %s\n", i, dev_name(&chan->dev));
 
        list_add_tail(&dtc->node, &dmatest_channels);
        nr_channels++;
@@ -379,7 +379,7 @@ static enum dma_state_client dmatest_remove_channel(struct dma_chan *chan)
                        list_del(&dtc->node);
                        dmatest_cleanup_channel(dtc);
                        pr_debug("dmatest: lost channel %s\n",
-                                       chan->dev.bus_id);
+                                       dev_name(&chan->dev));
                        return DMA_ACK;
                }
        }
@@ -418,7 +418,7 @@ dmatest_event(struct dma_client *client, struct dma_chan *chan,
 
        default:
                pr_info("dmatest: Unhandled event %u (%s)\n",
-                               state, chan->dev.bus_id);
+                               state, dev_name(&chan->dev));
                break;
        }