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8115ce745f
This patch adds dma_pause operation. This patch is based on Muhammad Hamza Farooq's patch. After this patch applied, an issue that the sh-sci driver with high baud rate might cause data lost disappeared because the DMAC is possible to transmit between [1] and [2] below, and then the residue of [1] is not true: In rx_timer_fn() of the sh-sci.c: dmaengine_pause(); ... dmaengine_tx_status(); /* [1] */ ... dmaengine_terminate_all(); /* [2] */ Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
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In order to build the documentation, use ``make htmldocs`` or
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There are various text files in the Documentation/ subdirectory,
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See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
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the problems which may result by upgrading your kernel.