From: Brian Norris <computersforpeace@gmail.com>
To: "Rafał Miłecki" <zajec5@gmail.com>
Cc: "David Woodhouse" <dwmw2@infradead.org>,
"Boris Brezillon" <boris.brezillon@free-electrons.com>,
"Marek Vasut" <marek.vasut@gmail.com>,
"Richard Weinberger" <richard@nod.at>,
"Cyrille Pitchen" <cyrille.pitchen@atmel.com>,
linux-mtd@lists.infradead.org,
"Hauke Mehrtens" <hauke@hauke-m.de>,
"Rafał Miłecki" <rafal@milecki.pl>
Subject: Re: [PATCH V4] mtd: bcm47xxsflash: support reading flash out of mapping window
Date: Wed, 8 Feb 2017 15:09:21 -0800 [thread overview]
Message-ID: <20170208230921.GL94627@google.com> (raw)
In-Reply-To: <20170208225344.24010-1-zajec5@gmail.com>
On Wed, Feb 08, 2017 at 11:53:44PM +0100, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
>
> For reading flash content we use MMIO but it's possible to read only
> first 16 MiB this way. It's simply an arch design/limitation.
> To support flash sizes bigger than 16 MiB implement indirect access
> using ChipCommon registers.
> This has been tested using MX25L25635F.
>
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> Acked-by: Marek Vasut <marek.vasut@gmail.com>
> ---
> V2: Simplify line writing to buf
> Add some trivial comment for OPCODE_ST_READ4B
> Both requested by Marek
> V3: Use as much as possible MMIO access for reads crossing boundary
> V4: Add missing buf increment (thanks Brian!)
Presumably you tested for this case now? Seems like quick turnaround :)
next prev parent reply other threads:[~2017-02-08 23:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 11:51 [PATCH V3] mtd: bcm47xxsflash: support reading flash out of mapping window Rafał Miłecki
2017-02-04 22:01 ` Marek Vasut
2017-02-04 22:27 ` Rafał Miłecki
2017-02-04 22:31 ` Marek Vasut
2017-02-08 19:35 ` Brian Norris
2017-02-08 22:53 ` Rafał Miłecki
2017-02-08 22:53 ` [PATCH V4] " Rafał Miłecki
2017-02-08 23:09 ` Brian Norris [this message]
2017-02-08 23:12 ` Brian Norris
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