Messages in this thread Patch in this message | | | From | Christoph Hellwig <> | Subject | [PATCH 1/3] dma-mapping: remove DMA_MASK_NONE | Date | Tue, 22 Sep 2020 15:40:00 +0200 |
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This value is only used by a PCMCIA driver and not very useful.
Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/pcmcia/ds.c | 2 +- include/linux/dma-mapping.h | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 09d06b082f8b8c..72114907c0e4d2 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -516,7 +516,7 @@ static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, p_dev->dev.parent = s->dev.parent; p_dev->dev.release = pcmcia_release_dev; /* by default don't allow DMA */ - p_dev->dma_mask = DMA_MASK_NONE; + p_dev->dma_mask = 0; p_dev->dev.dma_mask = &p_dev->dma_mask; dev_set_name(&p_dev->dev, "%d.%d", p_dev->socket->sock, p_dev->device_no); if (!dev_name(&p_dev->dev)) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index bb138ac6f5e63e..e074588d753ff6 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -138,8 +138,6 @@ extern const struct dma_map_ops dma_dummy_ops; #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) -#define DMA_MASK_NONE 0x0ULL - static inline int valid_dma_direction(int dma_direction) { return ((dma_direction == DMA_BIDIRECTIONAL) || -- 2.28.0
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