linux-kernel - [PATCH v3 00/13] NVIDIA Tegra APB DMA driver fixes and improvements

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Message-Id: <20200106011708.7463-1-digetx@gmail.com>
Date:   Mon,  6 Jan 2020 04:16:55 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Laxman Dewangan <ldewangan@...dia.com>,
        Vinod Koul <vkoul@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc:     dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 00/13] NVIDIA Tegra APB DMA driver fixes and improvements

Hello,

This is series fixes some problems that I spotted recently, secondly the
driver's code gets a cleanup. Please review and apply, thanks in advance!

Changelog:

v3: - In the review comment to v1 Michał Mirosław suggested that "Prevent
      race conditions on channel's freeing" does changes that deserve to
      be separated into two patches. I factored out and improved tasklet
      releasing into this new patch:

        dmaengine: tegra-apb: Clean up tasklet releasing

    - The "Fix use-after-free" patch got an improved commit message.

v2: - I took another look at the driver and spotted few more things that
      could be improved, which resulted in these new patches:

        dmaengine: tegra-apb: Remove runtime PM usage
        dmaengine: tegra-apb: Clean up suspend-resume
        dmaengine: tegra-apb: Add missing of_dma_controller_free
        dmaengine: tegra-apb: Allow to compile as a loadable kernel module
        dmaengine: tegra-apb: Remove MODULE_ALIAS

Dmitry Osipenko (13):
  dmaengine: tegra-apb: Fix use-after-free
  dmaengine: tegra-apb: Implement synchronization callback
  dmaengine: tegra-apb: Prevent race conditions on channel's freeing
  dmaengine: tegra-apb: Clean up tasklet releasing
  dmaengine: tegra-apb: Prevent race conditions of tasklet vs free list
  dmaengine: tegra-apb: Use devm_platform_ioremap_resource
  dmaengine: tegra-apb: Use devm_request_irq
  dmaengine: tegra-apb: Fix coding style problems
  dmaengine: tegra-apb: Remove runtime PM usage
  dmaengine: tegra-apb: Clean up suspend-resume
  dmaengine: tegra-apb: Add missing of_dma_controller_free
  dmaengine: tegra-apb: Allow to compile as a loadable kernel module
  dmaengine: tegra-apb: Remove MODULE_ALIAS

 drivers/dma/Kconfig           |   2 +-
 drivers/dma/tegra20-apb-dma.c | 481 ++++++++++++++++------------------
 2 files changed, 220 insertions(+), 263 deletions(-)

-- 
2.24.0