Zhenfang Wang
601cd6e2ce
UPSTREAM: dmaengine: sprd: Set request pending flag when DMA controller is active ...
On new Spreadtrum platforms, when the CPU enters idle, it will close
the DMA controllers' clock to save power if the DMA controller is not
busy. Moreover the DMA controller's busy signal depends on the DMA
enable flag and the request pending flag.
When DMA controller starts to transfer data, which means we already
set the DMA enable flag, but now we should also set the request pending
flag, in case the DMA clock will be closed accidentally if the CPU
can not detect the DMA controller's busy signal.
bug: 153500755
Change-Id: I9123685be01312db4caa47a742e6e6d0c8ef4e08
Signed-off-by: Zhenfang Wang <zhenfang.wang@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/02adbe4364ec436ec2c5bc8fd2386bab98edd884.1584019223.git.baolin.wang7@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
(cherry picked from commit d0f19a48a185dab592afe1e18bf31a9d6790620d)
2020-04-08 13:34:16 +00:00
dmaengine: dw: platform: Mark 'hclk' clock optional
2020-01-17 19:48:49 +01:00
ioat: ioat_alloc_ring() failure handling.
2020-01-17 19:49:06 +01:00
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
dmaengine: qcom: bam_dma: Fix resource leak
2019-10-18 13:27:58 +05:30
dmaengine updates for v5.4-rc1
2019-09-17 19:04:40 -07:00
dmaengine: ti: edma: fix missed failure handling
2020-01-26 10:01:08 +01:00
dmaengine: xilinx_dma: Clear desc_pendingcount in xilinx_dma_reset
2020-01-04 19:16:41 +01:00
dmaengine: acpi: Add kernel doc parameter descriptions
2019-08-21 09:41:27 +05:30
dmaengine updates for v5.4-rc1
2019-09-17 19:04:40 -07:00
dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
2020-03-12 13:00:30 +01:00
dmaengine: axi-dmac: add a check for devm_regmap_init_mmio
2020-02-14 16:34:19 -05:00
dmaengine: dma-jz4780: Also break descriptor chains on JZ4725B
2020-01-09 10:19:58 +01:00
dmaengine: Store module owner in dma_device struct
2020-02-24 08:36:40 +01:00
dmaengine: dmatest: Add support for completion polling
2019-09-04 10:14:22 +05:30
dmaengine: change alignment of mux_configure32 and fsl_edma_chan_mux
2019-08-20 17:09:34 +05:30
dmaengine: fsl-edma: add i.mx7ulp edma2 version support
2019-08-08 17:54:36 +05:30
dmaengine: fsl-edma: implement .device_synchronize callback
2019-08-08 19:01:58 +05:30
dmaengine: fsl-qdma: fix duplicated argument to &&
2020-02-24 08:36:29 +01:00
dmaengine: fsldma: Mark expected switch fall-through
2019-08-20 19:42:34 -05:00
dmaengine: imx-dma: Mark expected switch fall-through
2019-07-31 20:49:04 +05:30
dmaengine: imx-sdma: Fix the event id check to include RX event for UART6
2020-03-12 13:00:23 +01:00
dmaengine updates for v5.4-rc1
2019-09-17 19:04:40 -07:00
dma: iop-adma: allow building without platform headers
2019-08-14 15:36:22 +02:00
dmaengine: k3dma: Avoid null pointer traversal
2020-01-17 19:49:06 +01:00
Main MIPS changes for v5.4:
2019-09-22 09:30:30 -07:00
dma: Drop JZ4740 driver
2019-07-30 10:41:53 -07:00
dmaengine: mv_xor_v2: Fix -Wshift-negative-value
2019-08-20 17:06:36 +05:30
dmaengine: pl330: use the same attributes when freeing pl330->mcode_cpu
2019-08-08 18:49:43 +05:30
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
UPSTREAM: dmaengine: sprd: Set request pending flag when DMA controller is active
2020-04-08 13:34:16 +00:00
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
dmaengine: stm32-dma: Use struct_size() helper
2019-09-04 10:25:08 +05:30
dmaengine updates for v5.4-rc1
2019-09-17 19:04:40 -07:00
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
dmaengine: tegra-apb: Prevent race conditions of tasklet vs free list
2020-03-12 13:00:23 +01:00
dmaengine: tegra210-adma: fix transfer failure
2019-10-14 12:40:38 +05:30
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
dmaengine: virt-dma: Fix access after free in vchan_complete()
2020-01-09 10:20:00 +01:00
dmaengine: Remove dev_err() usage after platform_get_irq()
2019-07-31 20:50:53 +05:30
601cd6e2ce