linux-kernel - [PATCH v4 0/7] dmaengine: hisilicon: Add support for hisi dma driver

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Message-ID: <20220802101226.9005-1-haijie1@huawei.com>
Date:   Tue, 2 Aug 2022 18:12:19 +0800
From:   Jie Hai <haijie1@...wei.com>
To:     <vkoul@...nel.org>, <wangzhou1@...ilicon.com>
CC:     <haijie1@...wei.com>, <liudongdong3@...wei.com>,
        <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 0/7] dmaengine: hisilicon: Add support for hisi dma driver

The HiSilicon IP08 and HiSilicon IP09 are DMA iEPs, they share the
same pci device id but different pci revision and register layouts.

The original version supports HiSilicon IP08 but not HiSilicon IP09.
This series support DMA driver for HIP08 and HIP09:
1. Fix bugs for HIP08 DMA driver
	- Disable hardware channels when driver detached
	- Update cq_head whenever accessed it
	- Support multi-thread for one DMA channel
2. Use macros instead of magic number
3. Add support for HIP09 DMA driver
4. Add debugfs for HIP08 and HIP09 DMA driver
5. Add myself as maintainer of hisi_dma.c

Changes since version 3:
 - remove reduldant braces
 - add "Acked-by: Zhou Wang <wangzhou1@...ilicon.com>" in commit log

Changes since version 2:
 - fix unnecessary line breaks
 - fix register bit with BIT/GENMASK and adjust hisi_dma_update_bit to it
 - remove "Reported-by" in commit message
 - use dmaengine root instead of hisi_dma root
 - ignore errors for creating debugfs

Changes since version 1:
 - remove error changes casuse compile failure
 - remove reduldant "*" in comment
 - remove debugfs-hisi-dma doc and path in MAINTAINERS

Jie Hai (7):
  dmaengine: hisilicon: Disable channels when unregister hisi_dma
  dmaengine: hisilicon: Fix CQ head update
  dmaengine: hisilicon: Add multi-thread support for a DMA channel
  dmaengine: hisilicon: Use macros instead of magic number
  dmaengine: hisilicon: Adapt DMA driver to HiSilicon IP09
  dmaengine: hisilicon: Dump regs to debugfs
  MAINTAINERS: Add myself as maintainer for hisi_dma

 MAINTAINERS            |   1 +
 drivers/dma/hisi_dma.c | 650 +++++++++++++++++++++++++++++++++++------
 2 files changed, 555 insertions(+), 96 deletions(-)

-- 
2.33.0