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Yoshihiro Shimoda
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
============
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