Messages in this thread Patch in this message | | | From | Vignesh R <> | Subject | [RFC PATCH 2/2] mtd: devices: m25p80: Enable spi-nor bounce buffer support | Date | Mon, 27 Feb 2017 17:38:39 +0530 |
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Many SPI controller drivers use DMA to read/write from m25p80 compatible flashes. Therefore enable bounce buffers support provided by spi-nor framework to take care of handling vmalloc'd buffers which may not be DMA'able.
Signed-off-by: Vignesh R <vigneshr@ti.com> --- drivers/mtd/devices/m25p80.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index c4df3b1bded0..d05acf22eadf 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -241,6 +241,7 @@ static int m25p_probe(struct spi_device *spi) else flash_name = spi->modalias; + nor->flags |= SNOR_F_USE_BOUNCE_BUFFER; ret = spi_nor_scan(nor, flash_name, mode); if (ret) return ret; -- 2.11.0
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