Re: [alsa-devel] [PATCH 23/51] DMA-API: dma: pl08x: add dma_set_mask_and_coherent() call
From: Vinod Koul <hidden>
Date: 2013-09-23 10:12:22
Also in:
alsa-devel, dri-devel, linux-arm-kernel, linux-crypto, linux-devicetree, linux-ide, linux-mmc, linux-nvme, linux-omap, linux-samsung-soc, linux-scsi, linux-tegra, linux-wireless, linuxppc-dev, netdev
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 <redacted>
Acked-by: Vinod Koul <redacted> ~Vinod
quoted hunk ↗ jump to hunk
--- 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
--