From: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
To: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] spi: sc18is602: Remove sc18is602_setup() because it is done by spi core
Date: Mon, 20 Jan 2014 08:24:55 -0800 [thread overview]
Message-ID: <52DD4DD7.3030605@roeck-us.net> (raw)
In-Reply-To: <1390231125.11756.1.camel@phoenix>
On 01/20/2014 07:18 AM, Axel Lin wrote:
> The checking for spi->mode is done in the implementation of spi_setup().
> Calling sc18is602_check_transfer(spi, NULL, 0) is pointless because
> the code is equivent to checking if spi->max_speed_hz is 0.
> Note, sc18is602_check_transfer actually allows spi->max_speed_hz is 0
> if t->speed_hz is set. So return error in sc18is602_setup() when
> spi->max_speed_hz is 0 does not make sense.
>
> Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
Acked-by: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
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next prev parent reply other threads:[~2014-01-20 16:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-20 15:18 [PATCH] spi: sc18is602: Remove sc18is602_setup() because it is done by spi core Axel Lin
2014-01-20 16:24 ` Guenter Roeck [this message]
2014-01-20 18:33 ` Mark Brown
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