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

From: Dmitry Osipenko
Date: Sun Jan 05 2020 - 20:17:29 EST


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 MichaÅ MirosÅaw 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(-)

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2.24.0