On Thu, 26 Aug 2021 11:47:35 +0200, Michael Tretter wrote: > I reported a lockdep warning in the ZynqMP DMA driver a few weeks ago [0]. > This series fixes the reported warning and performs some cleanup that I found > while looking at the driver more closely. > > Patches 1-4 are the cleanups. They affect the log output of the driver, allow > to compile the driver on other platforms when COMPILE_TEST is enabled, and > remove unused included header files from the driver. > > Patches 5-7 aim to fix the lockdep warning. Patch 5 and 6 restructure the > locking in the driver to make it more fine-grained instead of holding the lock > for the entire tasklet. Patch 7 finally fixes the warning. Gentle ping. Michael > > Michael > > [0] https://lore.kernel.org/linux-arm-kernel/20210601130108.GA12967@xxxxxxxxxxxxxx/ > > Michael Tretter (7): > dmaengine: zynqmp_dma: simplify with dev_err_probe > dmaengine: zynqmp_dma: drop message on probe success > dmaengine: zynqmp_dma: enable COMPILE_TEST > dmaengine: zynqmp_dma: cleanup includes > dmaengine: zynqmp_dma: cleanup after completing all descriptors > dmaengine: zynqmp_dma: refine dma descriptor locking > dmaengine: zynqmp_dma: fix lockdep warning in tasklet > > drivers/dma/Kconfig | 2 +- > drivers/dma/xilinx/zynqmp_dma.c | 67 +++++++++++++++++---------------- > 2 files changed, 35 insertions(+), 34 deletions(-) > > -- > 2.30.2 > >
