[PATCH 24/51] DMA-API: dma: pl330: add dma_set_mask_and_coherent() call
From: Russell King <hidden>
Date: 2013-09-19 21:49:01
Also in:
alsa-devel, dri-devel, linux-arm-kernel, linux-crypto, linux-devicetree, linux-fbdev, linux-ide, linux-mmc, linux-nvme, linux-omap, linux-samsung-soc, linux-scsi, linux-tegra, linux-wireless, linuxppc-dev
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
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> --- drivers/dma/pl330.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index a562d24..df8b10f 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c@@ -2903,6 +2903,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) pdat = dev_get_platdata(&adev->dev); + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + /* Allocate a new DMAC and its Channels */ pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL); if (!pdmac) {
--
1.7.4.4