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path: root/drivers/iio/adc/adi-axi-adc.c
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Diffstat (limited to 'drivers/iio/adc/adi-axi-adc.c')
-rw-r--r--drivers/iio/adc/adi-axi-adc.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 4156639b3c8b..9444b0c5a93c 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -124,26 +124,12 @@ static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back,
struct iio_dev *indio_dev)
{
struct adi_axi_adc_state *st = iio_backend_get_priv(back);
- struct iio_buffer *buffer;
const char *dma_name;
- int ret;
if (device_property_read_string(st->dev, "dma-names", &dma_name))
dma_name = "rx";
- buffer = iio_dmaengine_buffer_alloc(st->dev, dma_name);
- if (IS_ERR(buffer)) {
- dev_err(st->dev, "Could not get DMA buffer, %ld\n",
- PTR_ERR(buffer));
- return ERR_CAST(buffer);
- }
-
- indio_dev->modes |= INDIO_BUFFER_HARDWARE;
- ret = iio_device_attach_buffer(indio_dev, buffer);
- if (ret)
- return ERR_PTR(ret);
-
- return buffer;
+ return iio_dmaengine_buffer_setup(st->dev, indio_dev, dma_name);
}
static void axi_adc_free_buffer(struct iio_backend *back,
@@ -207,9 +193,9 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
if (ret)
return ret;
- if (*expected_ver > ver) {
+ if (ADI_AXI_PCORE_VER_MAJOR(ver) != ADI_AXI_PCORE_VER_MAJOR(*expected_ver)) {
dev_err(&pdev->dev,
- "IP core version is too old. Expected %d.%.2d.%c, Reported %d.%.2d.%c\n",
+ "Major version mismatch. Expected %d.%.2d.%c, Reported %d.%.2d.%c\n",
ADI_AXI_PCORE_VER_MAJOR(*expected_ver),
ADI_AXI_PCORE_VER_MINOR(*expected_ver),
ADI_AXI_PCORE_VER_PATCH(*expected_ver),