linux-kernel - RE: [PATCH 2/2 v2] SPI: spi-pxa2xx: SPI support for Intel Quark X1000

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Message-ID: <4656BEB6164FC34F8171C6538F1A595B2E997E59@SHSMSX101.ccr.corp.intel.com>
Date:	Wed, 8 Oct 2014 07:48:24 +0000
From:	"Chen, Alvin" <alvin.chen@...el.com>
To:	"pure.logic@...us-software.ie" <pure.logic@...us-software.ie>,
	Eric Miao <eric.y.miao@...il.com>,
	Russell King <linux@....linux.org.uk>,
	"Haojian Zhuang" <haojian.zhuang@...il.com>,
	Mark Brown <broonie@...nel.org>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Westerberg, Mika" <mika.westerberg@...el.com>,
	"Kweh, Hock Leong" <hock.leong.kweh@...el.com>,
	"Ong, Boon Leong" <boon.leong.ong@...el.com>,
	"Tan, Raymond" <raymond.tan@...el.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: RE: [PATCH 2/2 v2] SPI: spi-pxa2xx: SPI support for Intel Quark
 X1000


> 
> On 29/09/14 15:22, Weike Chen wrote:
> > +		.num_chipselect = 4,
> 
> How is this right ?
> 
> There's only one physical chip-select line per SPI master...
> 
> It's a 1:1 mapping.
> 
Now, we have another board which can support 4 slave spi per master, but not only Galileo. Since that board is not public, after discussing with team, we decide to make the
upstream code to support '1'.

I will change it back to 
.num_chipselect = 1,


> Best,
> Bryan
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