diff options
Diffstat (limited to 'drivers/soc/ti/knav_dma.c')
-rw-r--r-- | drivers/soc/ti/knav_dma.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index 700d8eecd8c4..d756591de973 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -415,9 +415,8 @@ static int of_channel_match_helper(struct device_node *np, const char *name, void *knav_dma_open_channel(struct device *dev, const char *name, struct knav_dma_cfg *config) { - struct knav_dma_chan *chan; - struct knav_dma_device *dma; - bool found = false; + struct knav_dma_device *dma = NULL, *iter1; + struct knav_dma_chan *chan = NULL, *iter2; int chan_num = -1; const char *instance; @@ -444,33 +443,32 @@ void *knav_dma_open_channel(struct device *dev, const char *name, } /* Look for correct dma instance */ - list_for_each_entry(dma, &kdev->list, list) { - if (!strcmp(dma->name, instance)) { - found = true; + list_for_each_entry(iter1, &kdev->list, list) { + if (!strcmp(iter1->name, instance)) { + dma = iter1; break; } } - if (!found) { + if (!dma) { dev_err(kdev->dev, "No DMA instance with name %s\n", instance); return (void *)-EINVAL; } /* Look for correct dma channel from dma instance */ - found = false; - list_for_each_entry(chan, &dma->chan_list, list) { + list_for_each_entry(iter2, &dma->chan_list, list) { if (config->direction == DMA_MEM_TO_DEV) { - if (chan->channel == chan_num) { - found = true; + if (iter2->channel == chan_num) { + chan = iter2; break; } } else { - if (chan->flow == chan_num) { - found = true; + if (iter2->flow == chan_num) { + chan = iter2; break; } } } - if (!found) { + if (!chan) { dev_err(kdev->dev, "channel %d is not in DMA %s\n", chan_num, instance); return (void *)-EINVAL; @@ -747,9 +745,8 @@ static int knav_dma_probe(struct platform_device *pdev) INIT_LIST_HEAD(&kdev->list); pm_runtime_enable(kdev->dev); - ret = pm_runtime_get_sync(kdev->dev); + ret = pm_runtime_resume_and_get(kdev->dev); if (ret < 0) { - pm_runtime_put_noidle(kdev->dev); dev_err(kdev->dev, "unable to enable pktdma, err %d\n", ret); goto err_pm_disable; } |