From 8b66c13474e1683d53255f3b2948231b61cdaefd Mon Sep 17 00:00:00 2001 From: Roman Tereshonkov Date: Mon, 12 Apr 2010 09:07:54 +0000 Subject: [PATCH] spi/omap2_mcspi: change default DMA_MIN_BYTES value to 160 The value 160 has been obtained as optimal in testing it for wl1271 which use spi for communication. In some sense this change might also influence on other spi devices connected to omap2_mcspi controller. Signed-off-by: Roman Tereshonkov Signed-off-by: Grant Likely --- drivers/spi/omap2_mcspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c index e0de0d0eede..e6d08b84415 100644 --- a/drivers/spi/omap2_mcspi.c +++ b/drivers/spi/omap2_mcspi.c @@ -113,7 +113,7 @@ struct omap2_mcspi_dma { /* use PIO for small transfers, avoiding DMA setup/teardown overhead and * cache operations; better heuristics consider wordsize and bitrate. */ -#define DMA_MIN_BYTES 8 +#define DMA_MIN_BYTES 160 struct omap2_mcspi {