diff options
| author | Pandith N <pandith.n@intel.com> | 2021-10-01 19:38:12 +0530 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-10-18 12:14:20 +0530 |
| commit | 2d0f07f888f52532588730aae0241af5c5df393d (patch) | |
| tree | 614f4b2dd5d2fbd9b5a190cb7977057640a57d4c /drivers/dma/dw-axi-dmac | |
| parent | 93a7d32e9f4b8bad722a8c8c83c579a2f6a5aec3 (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.c | 4 |
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, |