linux-kernel - Re: [PATCH 1/1 v3] driver:mtd:spi-nor: Add Micron quad I/O support

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Date:	Wed, 1 Oct 2014 16:32:02 +0200
From:	Marek Vasut <marex@...x.de>
To:	"Bean Huo 霍斌斌 (beanhuo)" 
	<beanhuo@...ron.com>
Cc:	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	"shijie8@...il.com" <shijie8@...il.com>,
	"geert+renesas@...der.be" <geert+renesas@...der.be>,
	"grmoore@...era.com" <grmoore@...era.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1 v3] driver:mtd:spi-nor: Add Micron quad I/O support

On Wednesday, October 01, 2014 at 04:24:41 PM, Bean Huo 霍斌斌 (beanhuo) wrote:
> >> For Micron spi norflash,enables or disables quad I/O protocol ,which
> >> controled by EVCR(Enhanced Volatile Configuration Register) Quad I/O
> >> protocol bit 7.When EVCR bit 7 is reset to 0, the spi norflash will
> >> operate in quad I/O following the next WRITE ENHANCED VOLATILE
> >> CONFIGURATION command.
> >
> >You only do one WRITE ENHANCED VOLATILE CONFIGURATION command in the
> >patch, so this text doesn't add up.
> >
> >Try something like this:
> >-->8--
> >This patch adds code which enables Quad I/O mode on Micron SPI NOR
> >flashes.
> >
> >For Micron SPI NOR flash, enabling or disabling quad I/O protocol is
> >controled by EVCR (Enhanced Volatile Configuration Register), Quad I/O
> >protocol bit 7. When EVCR bit 7 is reset to 0, the SPI NOR flash will
> >operate in quad I/O mode. --8<--
> >
> >What do you think ?
> 
> Perfect,I will modify my commit message and sumbit it again.thanks.

Thank you. I didn't mean to grind you unnecessarily or be outright bitch, sorry 
if it did sound like so.

Best regards,
Marek Vasut
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