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staging: comedi: gsc_hpdi: use comedi_buf_write_samples()

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Use comedi_buf_write_samples() to add the samples to the async buffer.
That function will handle the '* sizeof(foo)' calculation to determine
the number of bytes to add.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2014-10-22 15:36:43 -07:00 committed by Greg Kroah-Hartman
parent d4c2acd233
commit 60e6644399
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/comedi/drivers/gsc_hpdi.c
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@ -196,8 +196,8 @@ static void gsc_hpdi_drain_dma(struct comedi_device *dev, unsigned int channel)
size = devpriv->dio_count; size = devpriv->dio_count;
devpriv->dio_count -= size; devpriv->dio_count -= size;
} }
cfc_write_array_to_buffer(s, devpriv->desc_dio_buffer[idx], comedi_buf_write_samples(s, devpriv->desc_dio_buffer[idx],
size * sizeof(uint32_t)); size);
idx++; idx++;
idx %= devpriv->num_dma_descriptors; idx %= devpriv->num_dma_descriptors;
start = le32_to_cpu(devpriv->dma_desc[idx].pci_start_addr); start = le32_to_cpu(devpriv->dma_desc[idx].pci_start_addr);