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From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Subject: Re: [PATCH v3 03/13] spi: sun4i: fix FIFO limit
Date: Mon, 13 Jun 2016 21:56:01 +0200
Message-ID: <20160613195601.GC2600@lukather>
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To: Michal Suchanek <hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Ian Campbell <ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>, Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>, Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>, Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>, Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Javier Martinez Canillas <javier-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>, Simon Horman <horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>, Sjoerd Simons <sjoerd.simons-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>, Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Alison Wang <b18965-KZfg59tc24xl57MIdRCFDg@public.gmane.org>, Timo Sigurdsson <public_timo.s-fWgRPtSzPNU3WX+qO2AYSQ@public.gmane.org>, Jonathan Liu <net147-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Gerhard Bertelsmann <info-La43T0Mi4bH5xCKuJOYmCvaTkwRoYoCU@public.gmane.org>, Priit Laes <plaes-q/aMd4JkU83YtjvyW6yDsg@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel@lists.
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On Mon, Jun 13, 2016 at 05:46:49PM -0000, Michal Suchanek wrote:
> When testing SPI without DMA I noticed that filling the FIFO on the
> spi controller causes timeout.
> 
> Always leave room for one byte in the FIFO.
> 
> Signed-off-by: Michal Suchanek <hramrach-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Acked-by: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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