From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH 0/4] spi: fsl-espi: eliminate linearization into intermediate buffer Date: Fri, 25 Nov 2016 23:58:33 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" To: Mark Brown Return-path: Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Currently all transfers are copied into an intermediate buffer first, and then written to the hardware from this buffer. This patch set implements direct transfers between transfer buffers and hardware, and it allows to get rid of the 64k intermediate buffer. Heiner Kallweit (4): spi: fsl-espi: determine need for byte swap only once spi: fsl-espi: eliminate need for linearization when writing to hardware spi: fsl-espi: eliminate need for linearization when reading from hardware spi: fsl-espi: remove unused linearization code drivers/spi/spi-fsl-espi.c | 240 +++++++++++++++++++++++++-------------------- 1 file changed, 132 insertions(+), 108 deletions(-) -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html