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| author | Pandith N <pandith.n@intel.com> | 2021-10-01 17:08:12 +0300 |
|---|---|---|
| committer | Jianlong Huang <jianlong.huang@starfivetech.com> | 2022-06-13 06:39:11 +0300 |
| commit | 75541fd93cb130e2c5d3d8bfd7a2be57442794f9 (patch) | |
| tree | 188582a1040e0f8e09376d44fcd151f0dda6bfb1 | |
| parent | 61a34a53d655c338f6d416e2be922d49b2d76df5 (diff) | |
| download | linux-75541fd93cb130e2c5d3d8bfd7a2be57442794f9.tar.xz | |
dmaengine: dw-axi-dmac: set coherent mask
commit 2d0f07f888f52532588730aae0241af5c5df393d upstream.
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>
| -rwxr-xr-x | 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 568e3a1a1120..a053c14a3a83 100755 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -219,12 +219,16 @@ 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, |