From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Mika Westerberg
<mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Jarkko Nikula
<jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] spi: Check conflicting CS based on spi->chip_select instead of device name
Date: Thu, 9 Jan 2014 14:36:04 +0000 [thread overview]
Message-ID: <20140109143604.GA12858@sirena.org.uk> (raw)
In-Reply-To: <20140109142729.GA2494-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
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On Thu, Jan 09, 2014 at 04:27:29PM +0200, Mika Westerberg wrote:
> On Thu, Jan 09, 2014 at 02:06:46PM +0000, Mark Brown wrote:
> > This actually also points out another issue - if we have two instances
> > of a device on different buses they could end up with the same
> > dev_name() if they have the same chip select. Hrm.
> I don't think that can happen, at least in case of ACPI, since each ACPI
> device has unique name, such as 'INT33C0:00' - the ':00' suffix is the
> "instance" number ACPI core gives for devices.
That's OK then.
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prev parent reply other threads:[~2014-01-09 14:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-09 13:23 [PATCH] spi: Check conflicting CS based on spi->chip_select instead of device name Mika Westerberg
[not found] ` <1389273835-8615-1-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-01-09 13:59 ` Jarkko Nikula
[not found] ` <52CEAB4A.605-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-01-09 16:05 ` Mika Westerberg
2014-01-09 14:06 ` Mark Brown
[not found] ` <20140109140646.GT31886-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-01-09 14:27 ` Mika Westerberg
[not found] ` <20140109142729.GA2494-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-01-09 14:36 ` Mark Brown [this message]
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