Message ID | E1VMm4v-0007hz-RC@rmk-PC.arm.linux.org.uk (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, Sep 19, 2013 at 10:48:01PM +0100, Russell King wrote: > 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. > > Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Vinod Koul <vinod.koul@intel.com> ~Vinod > --- > 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) { > -- > 1.7.4.4 > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
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) {
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. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> --- drivers/dma/amba-pl08x.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)