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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-06-27 10:29:32 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-31 14:48:39 +0000 |
| commit | de1a2419592d488a8e80bcc396c2be8ce06b71c3 (patch) | |
| tree | c05eb0d2f6a9be6f2b5335b2d1ab7e9afcc8b1d4 /drivers/dma | |
| parent | 446b2a9380b64b9d7410d86ee8226031e03645cf (diff) | |
| download | op-kernel-dev-de1a2419592d488a8e80bcc396c2be8ce06b71c3.zip op-kernel-dev-de1a2419592d488a8e80bcc396c2be8ce06b71c3.tar.gz | |
DMA-API: dma: pl08x: add dma_set_mask_and_coherent() call
The DMA API requires drivers to call the appropriate dma_set_mask()
functions before doing any DMA mapping. Add this required call to
the AMBA PL08x driver.
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/amba-pl08x.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index fce46c5..e51a983 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -2055,6 +2055,11 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) if (ret) return ret; + /* Ensure that we can do DMA */ + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); + if (ret) + goto out_no_pl08x; + /* Create the driver state holder */ pl08x = kzalloc(sizeof(*pl08x), GFP_KERNEL); if (!pl08x) { |
