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From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Harini Katakam
	<harinikatakamlinux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "Geert Uytterhoeven"
	<geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>,
	"Grant Likely"
	<grant.likely-QSEj5FYQhm4dnm+yROfE0A@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>,
	linux-spi <linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"David Woodhouse" <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	"Brian Norris"
	<computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Marek Vašut" <marex-ynQEQJNshbs@public.gmane.org>,
	"Artem Bityutskiy"
	<artem.bityutskiy-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	"Geert Uytterhoeven"
	<geert+renesas-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>,
	"Sascha Hauer" <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"Jingoo Han" <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	"Sourav Poddar" <sourav.poddar-l0cyMroinI0@public.gmane.org>,
	"michals-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org"
	<michals-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
Subject: Re: [RFC PATCH 1/2] spi: Add support for Zynq QSPI controller
Date: Thu, 10 Jul 2014 14:01:20 +0200	[thread overview]
Message-ID: <20140710120120.GD30458@sirena.org.uk> (raw)
In-Reply-To: <CAFcVEC+-bM91WmfwweDdTvJ7KwH+dxKDLkzsT82snWKhukLeYQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

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On Thu, Jul 10, 2014 at 04:03:19PM +0530, Harini Katakam wrote:

> OK. Correct me if I'm wrong but announcing this support in master->flags is
> just to say the controller supports it - Like Punnaiah mentioned in the other

No, it's broken to set this if there is no ability to use it.

> mail, nothing specific needs to be done from the controller driver to enable
> dual/quad support. This is at the SOC/IP level.

How does the client driver select the width to use for a transfer?

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  parent reply	other threads:[~2014-07-10 12:01 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-10  8:50 [RFC PATCH 0/2] Zynq QSPI RFC Harini Katakam
2014-07-10  8:50 ` [RFC PATCH 1/2] spi: Add support for Zynq QSPI controller Harini Katakam
2014-07-10  9:18   ` Geert Uytterhoeven
2014-07-10  9:31     ` Harini Katakam
2014-07-10  9:42       ` Geert Uytterhoeven
2014-07-10 10:33         ` Harini Katakam
     [not found]           ` <CAFcVEC+-bM91WmfwweDdTvJ7KwH+dxKDLkzsT82snWKhukLeYQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-10 11:25             ` Geert Uytterhoeven
2014-07-10 11:55               ` Harini Katakam
2014-07-10 12:01             ` Mark Brown [this message]
2014-07-10 12:39               ` Harini Katakam
     [not found]                 ` <20140710150713.GJ30458@sirena.org.uk>
     [not found]                   ` <03CA77BA8AF6F1469AEDFBDA1322A7B748213306@XAP-PVEXMBX01.xlnx.xilinx.com>
     [not found]                     ` <03CA77BA8AF6F1469AEDFBDA1322A7B748213306-4lKfpRxZ5enZMOc0yg5rMog+Gb3gawCHQz34XiSyOiE@public.gmane.org>
2014-07-14  7:22                       ` Harini Katakam
2014-07-14 18:07                         ` Mark Brown
     [not found]       ` <CAFcVECJ93Lw1MRVU-=zLRbB6To--zmAxz8OLObu=mhV84-FTNA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-10  9:44         ` Punnaiah Choudary Kalluri
2014-07-11 13:38   ` Mark Brown
2014-07-14  7:27     ` Harini Katakam
2014-07-10  8:50 ` [RFC PATCH 2/2] devicetree: Add devicetree bindings documentation for Zynq QSPI Harini Katakam

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