linux-kernel - [PATCH v2 0/2] dmaengine: xdma: Cyclic transfers support

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Date:   Fri, 22 Sep 2023 18:20:54 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Lizhi Hou <lizhi.hou@....com>, Brian Xu <brian.xu@....com>,
        Raj Kumar Rampelli <raj.kumar.rampelli@....com>,
        Vinod Koul <vkoul@...nel.org>,
        Michal Simek <michal.simek@....com>
Cc:     dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        <linux-kernel@...r.kernel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [PATCH v2 0/2] dmaengine: xdma: Cyclic transfers support

Hello,

Following the introduction of scatter-gather support of Xilinx's XDMA IP
in the Linux kernel, here is a small series adding cyclic transfers.

The first patch is a preparation patch to ease the review of the second
one which actually adds cyclic transfers support.

Thanks,
Miquèl

Changes in v2:
* Rebased on top of v6.6-rc1
* Removed the if (!state) superfluous check.
* Address a kernel test robot report (unitialized variable in error case)
* Simplify the convoluted logic when filling the hardware descriptors

Miquel Raynal (2):
  dmaengine: xilinx: xdma: Prepare the introduction of cyclic transfers
  dmaengine: xilinx: xdma: Support cyclic transfers

 drivers/dma/xilinx/xdma-regs.h |   2 +
 drivers/dma/xilinx/xdma.c      | 178 +++++++++++++++++++++++++++++++--
 2 files changed, 172 insertions(+), 8 deletions(-)

-- 
2.34.1