From: Sascha Hauer Date: Fri, 24 Jul 2015 13:01:08 +0000 (+0200) Subject: spi: imx: Fix small DMA transfers X-Git-Tag: omap-for-v4.3/fixes-merge-window~197^2^3 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6ee9b582d2db652497b73c1f117591dfb6d3a90;p=pandora-kernel.git spi: imx: Fix small DMA transfers DMA transfers must be greater than the watermark level size. spi_imx->rx_wml and spi_imx->tx_wml contain the watermark level in 32bit words whereas struct spi_transfer contains the transfer len in bytes. Fix the check if DMA is possible for a transfer accordingly. This fixes transfers with sizes between 33 and 128 bytes for which previously was claimed that DMA is possible. Fixes: f62caccd12c17e4 (spi: spi-imx: add DMA support) Signed-off-by: Sascha Hauer Cc: stable@vger.kernel.org Signed-off-by: Mark Brown --- Reading git-diff-tree failed