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path: root/drivers/dma/qcom
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Diffstat (limited to 'drivers/dma/qcom')
-rw-r--r--drivers/dma/qcom/Kconfig1
-rw-r--r--drivers/dma/qcom/bam_dma.c18
-rw-r--r--drivers/dma/qcom/hidma.c1
3 files changed, 10 insertions, 10 deletions
diff --git a/drivers/dma/qcom/Kconfig b/drivers/dma/qcom/Kconfig
index 3f926a653bd8..ace75d7b835a 100644
--- a/drivers/dma/qcom/Kconfig
+++ b/drivers/dma/qcom/Kconfig
@@ -45,6 +45,7 @@ config QCOM_HIDMA_MGMT
config QCOM_HIDMA
tristate "Qualcomm Technologies HIDMA Channel support"
+ depends on HAS_IOMEM
select DMA_ENGINE
help
Enable support for the Qualcomm Technologies HIDMA controller.
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 1e47d27e1f81..4c3eb972039d 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -1272,7 +1272,15 @@ static int bam_dma_probe(struct platform_device *pdev)
bdev->powered_remotely = of_property_read_bool(pdev->dev.of_node,
"qcom,powered-remotely");
- if (bdev->controlled_remotely || bdev->powered_remotely) {
+ if (bdev->controlled_remotely || bdev->powered_remotely)
+ bdev->bamclk = devm_clk_get_optional(bdev->dev, "bam_clk");
+ else
+ bdev->bamclk = devm_clk_get(bdev->dev, "bam_clk");
+
+ if (IS_ERR(bdev->bamclk))
+ return PTR_ERR(bdev->bamclk);
+
+ if (!bdev->bamclk) {
ret = of_property_read_u32(pdev->dev.of_node, "num-channels",
&bdev->num_channels);
if (ret)
@@ -1284,14 +1292,6 @@ static int bam_dma_probe(struct platform_device *pdev)
dev_err(bdev->dev, "num-ees unspecified in dt\n");
}
- if (bdev->controlled_remotely || bdev->powered_remotely)
- bdev->bamclk = devm_clk_get_optional(bdev->dev, "bam_clk");
- else
- bdev->bamclk = devm_clk_get(bdev->dev, "bam_clk");
-
- if (IS_ERR(bdev->bamclk))
- return PTR_ERR(bdev->bamclk);
-
ret = clk_prepare_enable(bdev->bamclk);
if (ret) {
dev_err(bdev->dev, "failed to prepare/enable clock\n");
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index 04d1c33afc12..344525c3a32f 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -214,7 +214,6 @@ static int hidma_chan_init(struct hidma_dev *dmadev, u32 dma_sig)
spin_lock_init(&mchan->lock);
list_add_tail(&mchan->chan.device_node, &ddev->channels);
- dmadev->ddev.chancnt++;
return 0;
}