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authorPandith N <pandith.n@intel.com>2021-10-01 19:38:12 +0530
committerVinod Koul <vkoul@kernel.org>2021-10-18 12:14:20 +0530
commit2d0f07f888f52532588730aae0241af5c5df393d (patch)
tree614f4b2dd5d2fbd9b5a190cb7977057640a57d4c /drivers/dma/dw-axi-dmac
parent93a7d32e9f4b8bad722a8c8c83c579a2f6a5aec3 (diff)
dmaengine: dw-axi-dmac: set coherent mask
Add support for setting dma coherent mask, dma mask is set to 64 bit Signed-off-by: Pandith N <pandith.n@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20211001140812.24977-4-pandith.n@intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/dw-axi-dmac')
-rw-r--r--drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index f46fd9895a13..79572ec532ef 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -212,12 +212,16 @@ static inline bool axi_chan_is_hw_enable(struct axi_dma_chan *chan)
static void axi_dma_hw_init(struct axi_dma_chip *chip)
{
+ int ret;
u32 i;
for (i = 0; i < chip->dw->hdata->nr_channels; i++) {
axi_chan_irq_disable(&chip->dw->chan[i], DWAXIDMAC_IRQ_ALL);
axi_chan_disable(&chip->dw->chan[i]);
}
+ ret = dma_set_mask_and_coherent(chip->dev, DMA_BIT_MASK(64));
+ if (ret)
+ dev_warn(chip->dev, "Unable to set coherent mask\n");
}
static u32 axi_chan_get_xfer_width(struct axi_dma_chan *chan, dma_addr_t src,