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path: root/drivers/dma/ti/cppi41.c
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Diffstat (limited to 'drivers/dma/ti/cppi41.c')
-rw-r--r--drivers/dma/ti/cppi41.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/dma/ti/cppi41.c b/drivers/dma/ti/cppi41.c
index 8c2f7ebe998c..8d8c3d6038fc 100644
--- a/drivers/dma/ti/cppi41.c
+++ b/drivers/dma/ti/cppi41.c
@@ -315,7 +315,7 @@ static irqreturn_t cppi41_irq(int irq, void *data)
val = cppi_readl(cdd->qmgr_mem + QMGR_PEND(i));
if (i == QMGR_PENDING_SLOT_Q(first_completion_queue) && val) {
u32 mask;
- /* set corresponding bit for completetion Q 93 */
+ /* set corresponding bit for completion Q 93 */
mask = 1 << QMGR_PENDING_BIT_Q(first_completion_queue);
/* not set all bits for queues less than Q 93 */
mask--;
@@ -703,7 +703,7 @@ static int cppi41_tear_down_chan(struct cppi41_channel *c)
* transfer descriptor followed by TD descriptor. Waiting seems not to
* cause any difference.
* RX seems to be thrown out right away. However once the TearDown
- * descriptor gets through we are done. If we have seens the transfer
+ * descriptor gets through we are done. If we have seen the transfer
* descriptor before the TD we fetch it from enqueue, it has to be
* there waiting for us.
*/
@@ -747,7 +747,7 @@ static int cppi41_stop_chan(struct dma_chan *chan)
struct cppi41_channel *cc, *_ct;
/*
- * channels might still be in the pendling list if
+ * channels might still be in the pending list if
* cppi41_dma_issue_pending() is called after
* cppi41_runtime_suspend() is called
*/
@@ -1039,7 +1039,6 @@ static int cppi41_dma_probe(struct platform_device *pdev)
struct cppi41_dd *cdd;
struct device *dev = &pdev->dev;
const struct cppi_glue_infos *glue_info;
- struct resource *mem;
int index;
int irq;
int ret;
@@ -1072,18 +1071,15 @@ static int cppi41_dma_probe(struct platform_device *pdev)
if (index < 0)
return index;
- mem = platform_get_resource(pdev, IORESOURCE_MEM, index);
- cdd->ctrl_mem = devm_ioremap_resource(dev, mem);
+ cdd->ctrl_mem = devm_platform_ioremap_resource(pdev, index);
if (IS_ERR(cdd->ctrl_mem))
return PTR_ERR(cdd->ctrl_mem);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, index + 1);
- cdd->sched_mem = devm_ioremap_resource(dev, mem);
+ cdd->sched_mem = devm_platform_ioremap_resource(pdev, index + 1);
if (IS_ERR(cdd->sched_mem))
return PTR_ERR(cdd->sched_mem);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, index + 2);
- cdd->qmgr_mem = devm_ioremap_resource(dev, mem);
+ cdd->qmgr_mem = devm_platform_ioremap_resource(pdev, index + 2);
if (IS_ERR(cdd->qmgr_mem))
return PTR_ERR(cdd->qmgr_mem);
@@ -1105,8 +1101,12 @@ static int cppi41_dma_probe(struct platform_device *pdev)
cdd->qmgr_num_pend = glue_info->qmgr_num_pend;
cdd->first_completion_queue = glue_info->first_completion_queue;
+ /* Parse new and deprecated dma-channels properties */
ret = of_property_read_u32(dev->of_node,
- "#dma-channels", &cdd->n_chans);
+ "dma-channels", &cdd->n_chans);
+ if (ret)
+ ret = of_property_read_u32(dev->of_node,
+ "#dma-channels", &cdd->n_chans);
if (ret)
goto err_get_n_chans;
@@ -1156,7 +1156,7 @@ err_get_sync:
return ret;
}
-static int cppi41_dma_remove(struct platform_device *pdev)
+static void cppi41_dma_remove(struct platform_device *pdev)
{
struct cppi41_dd *cdd = platform_get_drvdata(pdev);
int error;
@@ -1173,7 +1173,6 @@ static int cppi41_dma_remove(struct platform_device *pdev)
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- return 0;
}
static int __maybe_unused cppi41_suspend(struct device *dev)
@@ -1253,5 +1252,6 @@ static struct platform_driver cpp41_dma_driver = {
};
module_platform_driver(cpp41_dma_driver);
+MODULE_DESCRIPTION("Texas Instruments CPPI 4.1 DMA support");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Sebastian Andrzej Siewior <bigeasy@linutronix.de>");