From: Alexandru Gagniuc <mr.nuke.me-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Cc: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: [PATCH 0/2] v1: ARM: sun4i: spi: Allow transfers larger than FIFO size
Date: Tue, 18 Mar 2014 15:04:02 -0700 (PDT) [thread overview]
Message-ID: <4636665.0CNduaaJi4@nukelap.gtech> (raw)
These patches are designed to apply on top of sunxi-next. They depend on
Maxime Ripard's SPI patches for Allwinner A10 (sun4i).
I've watched the bus with a logic analyzer to make sure thing are sane, but
I'm only able to go up to 10MHz on my LA. Unfortunately, the SPI chip I was
using as a test device decided to die mid-way, so I was unable to test how
well full-duplex communication works on these large transfers
Alexandru Gagniuc (2):
ARM: sun4i: spi: Allow Rx transfers larger than FIFO size
ARM: sun4i: spi: Allow Tx transfers larger than FIFO size
drivers/spi/spi-sun4i.c | 56
+++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 52 insertions(+), 4 deletions(-)
--
1.8.5.3
reply other threads:[~2014-03-18 22:04 UTC|newest]
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