On Fri, 02 Aug 2024 10:50:45 +0300, Serge Semin wrote: > The main goal of this series is to fix the data disappearance in case of > the DW UART handled by the DW AHB DMA engine. The problem happens on a > portion of the data received when the pre-initialized DEV_TO_MEM > DMA-transfer is paused and then disabled. The data just hangs up in the > DMA-engine FIFO and isn't flushed out to the memory on the DMA-channel > suspension (see the second commit log for details). On a way to find the > denoted problem fix it was discovered that the driver doesn't verify the > peripheral device address width specified by a client driver, which in its > turn if unsupported or undefined value passed may cause DMA-transfer being > misconfigured. It's fixed in the first patch of the series. > > [...] Applied, thanks! [1/6] dmaengine: dw: Add peripheral bus width verification commit: e2c97d200ac3558e6c34258c96a01a0b9472292f [2/6] dmaengine: dw: Add memory bus width verification commit: 5bb11aedb5309c232967ce490d7b826536f697c0 [3/6] dmaengine: dw: Simplify prepare CTL_LO methods commit: d34e8466c63389ef250c380cd615826afb2a049c [4/6] dmaengine: dw: Define encode_maxburst() above prepare_ctllo() callbacks commit: 2f87a9671ed532fc088ef0b05e350637afdf001a [5/6] dmaengine: dw: Simplify max-burst calculation procedure commit: 17d4353413a4d931e89b2c37106acae4a0972ad8 [6/6] dmaengine: dw: Unify ret-val local variables naming commit: 3f92ee7c4a4e2319d510eb2ddcfdd3105b235f0e Best regards, -- ~Vinod