Messages in this thread | | | Subject | Re: [PATCH] mtd: spi-nor: cadence-quadspi: Add DMA support for direct mode reads | From | Marek Vasut <> | Date | Tue, 10 Apr 2018 11:21:03 +0200 |
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On 04/10/2018 10:19 AM, Vignesh R wrote: > Add support to use DMA over memory mapped reads in direct mode. This > helps in reducing CPU usage from ~100% to ~10% when reading data from > flash. For non-DMA'able/vmalloc'd buffers, driver just falls back to CPU > based memcpy. > > Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
-- Best regards, Marek Vasut
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