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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-29 11:38:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-29 11:38:27 -0700 |
| commit | b00ed48bb0a7c295facf9036135a573a5cdbe7de (patch) | |
| tree | a14d3702971e30dfec8392af4f7b9e97d2246f95 /drivers/dma/at_xdmac.c | |
| parent | c3a9a3c5f5590e85da15d6201e415ff636fe5670 (diff) | |
| parent | d1a28597808268b87f156138aad3104aa255e62b (diff) | |
Merge tag 'dmaengine-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"Nothing special, this includes a couple of new device support and new
driver support and bunch of driver updates.
New support:
- Tegra gpcdma driver support
- Qualcomm SM8350, Sm8450 and SC7280 device support
- Renesas RZN1 dma and platform support
Updates:
- stm32 device pause/resume support and updates
- DMA memset ops Documentation and usage clarification
- deprecate '#dma-channels' & '#dma-requests' bindings
- driver updates for stm32, ptdma idsx etc"
* tag 'dmaengine-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (87 commits)
dmaengine: idxd: make idxd_wq_enable() return 0 if wq is already enabled
dmaengine: sun6i: Add support for the D1 variant
dmaengine: sun6i: Add support for 34-bit physical addresses
dmaengine: sun6i: Do not use virt_to_phys
dt-bindings: dma: sun50i-a64: Add compatible for D1
dmaengine: tegra: Remove unused switch case
dmaengine: tegra: Fix uninitialized variable usage
dmaengine: stm32-dma: add device_pause/device_resume support
dmaengine: stm32-dma: rename pm ops before dma pause/resume introduction
dmaengine: stm32-dma: pass DMA_SxSCR value to stm32_dma_handle_chan_done()
dmaengine: stm32-dma: introduce stm32_dma_sg_inc to manage chan->next_sg
dmaengine: stm32-dmamux: avoid reset of dmamux if used by coprocessor
dmaengine: qcom: gpi: Add support for sc7280
dt-bindings: dma: pl330: Add power-domains
dmaengine: stm32-mdma: use dev_dbg on non-busy channel spurious it
dmaengine: stm32-mdma: fix chan initialization in stm32_mdma_irq_handler()
dmaengine: stm32-mdma: remove GISR1 register
dmaengine: ti: deprecate '#dma-channels'
dmaengine: mmp: deprecate '#dma-channels'
dmaengine: pxa: deprecate '#dma-channels' and '#dma-requests'
...
Diffstat (limited to 'drivers/dma/at_xdmac.c')
| -rw-r--r-- | drivers/dma/at_xdmac.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index def564d1e8fa..3e9d726504e2 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1202,6 +1202,7 @@ static struct at_xdmac_desc *at_xdmac_memset_create_desc(struct dma_chan *chan, unsigned long flags; size_t ublen; u32 dwidth; + char pattern; /* * WARNING: The channel configuration is set here since there is no * dmaengine_slave_config call in this case. Moreover we don't know the @@ -1244,10 +1245,16 @@ static struct at_xdmac_desc *at_xdmac_memset_create_desc(struct dma_chan *chan, chan_cc |= AT_XDMAC_CC_DWIDTH(dwidth); + /* Only the first byte of value is to be used according to dmaengine */ + pattern = (char)value; + ublen = len >> dwidth; desc->lld.mbr_da = dst_addr; - desc->lld.mbr_ds = value; + desc->lld.mbr_ds = (pattern << 24) | + (pattern << 16) | + (pattern << 8) | + pattern; desc->lld.mbr_ubc = AT_XDMAC_MBR_UBC_NDV3 | AT_XDMAC_MBR_UBC_NDEN | AT_XDMAC_MBR_UBC_NSEN |