linux-kernel - Re: [PATCH 1/5] spi: sunxi: fix transfer timeout

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Date:	Mon, 30 May 2016 11:44:49 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	linux-sunxi@...glegroups.com, Mark Brown <broonie@...nel.org>,
	Chen-Yu Tsai <wens@...e.org>, linux-spi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] spi: sunxi: fix transfer timeout

On Thu, May 26, 2016 at 07:25:23PM -0000, Michal Suchanek wrote:
> The trasfer timeout is fixed at 1000 ms. Reading a 4Mbyte flash over
> 1MHz SPI bus takes way longer than that. Calculate the timeout from the
> actual time the transfer is supposed to take and multiply by 2 for good
> measure.
> 
> Signed-off-by: Michal Suchanek <hramrach@...il.com>
> ---
> 
> v2:
> - fix build error
> - use unsigned instead of int in max_t

And this generates warnings in checkpatch. Please make sure that you
run it before submitting any patches.

Thanks!
Maxime

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

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