kernel.git/drivers/dma/pl330.c, branch linux-5.11.y

Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

2020-12-17T20:52:23Z

Pull dmaengine updates from Vinod Koul: "The last dmaengine updates for this year :) This contains couple of new drivers, new device support and updates to bunch of drivers. New drivers/devices: - Qualcomm ADM driver - Qualcomm GPI driver - Allwinner A100 DMA support - Microchip Sama7g5 support - Mediatek MT8516 apdma Updates: - more updates to idxd driver and support for IAX config - runtime PM support for dw driver - TI drivers" * tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits) soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA dmaengine: ti: k3-udma: Initial support for K3 PKTDMA dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling dmaengine: ti: k3-udma: Initial support for K3 BCDMA soc: ti: k3-ringacc: add AM64 DMA rings support. dmaengine: ti: Add support for k3 event routers dmaengine: ti: k3-psil: Add initial map for AM64 dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA dt-bindings: dma: ti: Add document for K3 PKTDMA dt-bindings: dma: ti: Add document for K3 BCDMA dmaengine: dmatest: Use dmaengine_get_dma_device dmaengine: doc: client: Update for dmaengine_get_dma_device() usage dmaengine: Add support for per channel coherency handling dmaengine: of-dma: Add support for optional router configuration callback dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API dmaengine: ti: k3-udma: Add support for second resource range from sysfw dmaengine: ti: k3-udma: Wait for peer teardown completion if supported ...

dmaengine: pl330: _prep_dma_memcpy: Fix wrong burst size

2020-11-16T17:14:23Z

Actually, burst size is equal to '1 << desc->rqcfg.brst_size'. we should use burst size, not desc->rqcfg.brst_size. dma memcpy performance on Rockchip RV1126 @ 1512MHz A7, 1056MHz LPDDR3, 200MHz DMA: dmatest: /# echo dma0chan0 > /sys/module/dmatest/parameters/channel /# echo 4194304 > /sys/module/dmatest/parameters/test_buf_size /# echo 8 > /sys/module/dmatest/parameters/iterations /# echo y > /sys/module/dmatest/parameters/norandom /# echo y > /sys/module/dmatest/parameters/verbose /# echo 1 > /sys/module/dmatest/parameters/run dmatest: dma0chan0-copy0: result #1: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #2: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #3: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #4: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #5: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #6: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #7: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 dmatest: dma0chan0-copy0: result #8: 'test passed' with src_off=0x0 dst_off=0x0 len=0x400000 Before: dmatest: dma0chan0-copy0: summary 8 tests, 0 failures 48 iops 200338 KB/s (0) After this patch: dmatest: dma0chan0-copy0: summary 8 tests, 0 failures 179 iops 734873 KB/s (0) After this patch and increase dma clk to 400MHz: dmatest: dma0chan0-copy0: summary 8 tests, 0 failures 259 iops 1062929 KB/s (0) Signed-off-by: Sugar Zhang Link: https://lore.kernel.org/r/1605326106-55681-1-git-send-email-sugar.zhang@rock-chips.com Signed-off-by: Vinod Koul

dmaengine: pl330: Remove unreachable code

2020-10-30T08:40:27Z

_setup_req(..) never returns negative value. Hence the condition ret < 0 is never met Signed-off-by: Surendran K Link: https://lore.kernel.org/r/20201016103347.63084-1-surendran.k@samsung.com Signed-off-by: Vinod Koul

dmaengine: pl330: fix argument for tasklet

2020-10-01T04:48:27Z

Commit 59cd818763e8 ("dmaengine: fsl: convert tasklets to use new tasklet_setup() API") converted the pl330 driver to use new tasklet functions but missed that driver calls the tasklet function directly as well, so update it. Fixes: 59cd818763e8 ("dmaengine: fsl: convert tasklets to use new tasklet_setup() API") Reported-by: kernel test robot Link: https://lore.kernel.org/r/20200930121735.49699-1-vkoul@kernel.org Signed-off-by: Vinod Koul

dmaengine: pl330: convert tasklets to use new tasklet_setup() API

2020-09-18T06:49:06Z

In preparation for unconditionally passing the struct tasklet_struct pointer to all tasklet callbacks, switch to using the new tasklet_setup() and from_tasklet() to pass the tasklet pointer explicitly. Signed-off-by: Romain Perier Signed-off-by: Allen Pais Link: https://lore.kernel.org/r/20200831103542.305571-21-allen.lkml@gmail.com Signed-off-by: Vinod Koul

Merge tag 'v5.9-rc4' into next

2020-09-11T12:15:36Z

Linux 5.9-rc4

dmaengine: pl330: Drop local dma_parms

2020-09-11T12:12:13Z

Since commit f458488425f1 ("amba: Initialize dma_parms for amba devices"), struct amba_device already provides a dma_parms structure, so we can save allocating another one. Signed-off-by: Robin Murphy Link: https://lore.kernel.org/r/c9e58882e33f22f9b0a6d65a5507e24004512148.1599164692.git.robin.murphy@arm.com Signed-off-by: Vinod Koul

Merge tag 'dmaengine-fix-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

2020-09-04T19:12:39Z

Pull dmaengine fixes from Vinod Koul: "A couple of core fixes and odd driver fixes for dmaengine subsystem: Core: - drop ACPI CSRT table reference after using it - fix of_dma_router_xlate() error handling Drivers fixes in idxd, at_hdmac, pl330, dw-edma and jz478" * tag 'dmaengine-fix-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dmaengine: ti: k3-udma: Update rchan_oes_offset for am654 SYSFW ABI 3.0 drivers/dma/dma-jz4780: Fix race condition between probe and irq handler dmaengine: dw-edma: Fix scatter-gather address calculation dmaengine: ti: k3-udma: Fix the TR initialization for prep_slave_sg dmaengine: pl330: Fix burst length if burst size is smaller than bus width dmaengine: at_hdmac: add missing kfree() call in at_dma_xlate() dmaengine: at_hdmac: add missing put_device() call in at_dma_xlate() dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate() dmaengine: of-dma: Fix of_dma_router_xlate's of_dma_xlate handling dmaengine: idxd: reset states after device disable or reset dmaengine: acpi: Put the CSRT table after using it

dmaengine: pl330: Simplify with dev_err_probe()

2020-09-03T07:08:59Z

Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20200828152637.16903-1-krzk@kernel.org Signed-off-by: Vinod Koul

dmaengine: pl330: fix instruction dump formatting

2020-08-25T11:11:26Z

Instruction dump uses two printk() in a row to print one instruction. Use KERN_CONT to prevent breaking the output in the middle. Signed-off-by: Łukasz Stelmach Link: https://lore.kernel.org/r/20200813204123.19044-1-l.stelmach@samsung.com Signed-off-by: Vinod Koul