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[ Upstream commit880d51c729] In pci_epf_test_init_dma_chan() epf_test->dma_chan_rx is assigned from dma_request_channel() with DMA_DEV_TO_MEM as filter.dma_mask. However, in pci_epf_test_data_transfer() if the dir is DMA_DEV_TO_MEM, epf->dma_chan_rx should be used but instead we are using epf_test->dma_chan_tx. Fix it. Link: https://lore.kernel.org/r/20230412063447.2841177-1-yoshihiro.shimoda.uh@renesas.com Fixes:8353813c88("PCI: endpoint: Enable DMA tests for endpoints with DMA capabilities") Tested-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.