As stated in [1], dma_set_mask() with a 64-bit mask never fails if
dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
Simplify code and remove some dead code accordingly.
While at it, include directly <linux/dma-mapping.h> instead on relying on
indirect inclusion.
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/delay.h>
spin_lock_init(&nhi->lock);
res = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
- if (res)
- res = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (res) {
dev_err(&pdev->dev, "failed to set DMA mask\n");
return res;