linux-kernel - Re: [PATCH 3/3] MTD: spi-nor: add flag to not use sector erase.

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Message-ID: <CACna6rx3G+=wMyxkAjh=bT2OG1QsJvfAXSB9pE0cgYu=NhDS-g@mail.gmail.com>
Date:	Fri, 1 May 2015 23:56:57 +0200
From:	Rafał Miłecki <zajec5@...il.com>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Marek Vasut <marex@...x.de>,
	Alison Chaiken <alison_chaiken@...tor.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	"Bean Huo (beanhuo)" <beanhuo@...ron.com>,
	"grmoore@...era.com" <grmoore@...era.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] MTD: spi-nor: add flag to not use sector erase.

On 30 April 2015 at 23:13, Michal Suchanek <hramrach@...il.com> wrote:
> The sector size of the flash memory is unclear from datasheet or may
> possibly vary between chips so add a flag to always use 4k blocks.
>
> Currently 4k blocks are always used when possible but in the future
> somebody might want to do some optimizations with sector erase.

AFAIK most sources call 4K a sector and 64K a block. I think we should
try to stick to that (even if some current code doesn't). So it would
be nice to call 4K a sector (instead of block).
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