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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-23 15:51:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-23 15:51:14 -0700 |
| commit | 558ef39aeb9a089a6be9dda8413b0b9d42e843ea (patch) | |
| tree | e1e74a1737d7599ad4f6954e1b0b171df18cc5c9 /drivers/dma/dmaengine.c | |
| parent | 62cf248de32f061d99cf7cd1675419d739031c5e (diff) | |
| parent | 7524fe142b5a772f8421aeee2132cf7e21a00103 (diff) | |
| download | linux-next-558ef39aeb9a089a6be9dda8413b0b9d42e843ea.tar.gz linux-next-558ef39aeb9a089a6be9dda8413b0b9d42e843ea.zip | |
Merge tag 'dmaengine-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"Core:
- New devm_of_dma_controller_register() API
- Refactor devm_dma_request_chan() API
New Support:
- Loongson Multi-Channel DMA controller support
- Renesas RZ/{T2H,N2H} support
- Dw CV1800B DMA support
- Switchtec DMA engine driver
U pdates:
- Xilinx AXI dma binding conversion
- Renesas CHCTRL register read updates
- AMD MDB Endpoint and non-LL mode Support
- AXI dma handling of SW and HW cyclic transfers termination
- Intel ioatdma and idxd driver updates"
* tag 'dmaengine-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (62 commits)
dt-bindings: dma: snps,dw-axi-dmac: Add fallback compatible for CV1800B
MAINTAINERS: dmaengine/ti: Remove myself and add Vignesh as maintainer
dmaengine: qcom: Unify user-visible "Qualcomm" name
dt-bindings: dma: qcom,gpi: Document GPI DMA engine for Shikra SoC
dmaengine: qcom: hidma: use sysfs_emit() in sysfs show callbacks
dmaengine: dw-axi-dmac: fix PM for system sleep and channel alloc
dmaengine: dw-axi-dmac: drop redundant DMAC enable in block start
dmaengine: altera-msgdma: Use memcpy_toio for descriptor FIFO writes
dt-bindings: dma: fsl-edma: add dma-channel-mask property description
dmaengine: tegra: Fix burst size calculation
dmaengine: iop32x-adma: Remove a leftover header file
dmaengine: dma-axi-dmac: use DMA pool to manange DMA descriptor
dmaengine: dma-axi-dmac: Drop struct clk from main struct
dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc
dmaengine: Fix possible use after free
dmaengine: dw-edma: Add spinlock to protect DONE_INT_MASK and ABORT_INT_MASK
dmaengine: dw-edma-pcie: Reject devices without driver data
dmaengine: sh: rz-dmac: Add DMA ACK signal routing support
irqchip/renesas-rzv2h: Add DMA ACK signal routing support
dmaengine: dw-edma: Remove dw_edma_add_irq_mask()
...
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 405bd2fbb4a3..9049171df857 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -905,11 +905,12 @@ void dma_release_channel(struct dma_chan *chan) mutex_lock(&dma_list_mutex); WARN_ONCE(chan->client_count != 1, "chan reference count %d != 1\n", chan->client_count); - dma_chan_put(chan); /* drop PRIVATE cap enabled by __dma_request_channel() */ if (--chan->device->privatecnt == 0) dma_cap_clear(DMA_PRIVATE, chan->device->cap_mask); + dma_chan_put(chan); + if (chan->slave) { sysfs_remove_link(&chan->dev->device.kobj, DMA_SLAVE_NAME); sysfs_remove_link(&chan->slave->kobj, chan->name); |
