From: "Yang, Wenyou" <Wenyou.Yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
To: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Brian Norris
<computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Ferre,
Nicolas" <Nicolas.FERRE-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>,
Alexandre Belloni
<alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Jean-Christophe Plagniol-Villard
<plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Josh Wu <rainyfeeling-1ViLX0X+lBJBDgjK7y7TUQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: RE: [PATCH 0/2] mtd: atmel_nand: remove compatible "atmel,sama5d4-nfc"
Date: Tue, 10 May 2016 04:50:37 +0000 [thread overview]
Message-ID: <B256D81BAE5131468A838E5D7A243641D6487F5A@penmbx01> (raw)
In-Reply-To: <20160509201324.GA9845@rob-hp-laptop>
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> -----Original Message-----
> From: Rob Herring [mailto:robh@kernel.org]
> Sent: 2016Äê5ÔÂ10ÈÕ 4:13
> To: Yang, Wenyou <Wenyou.Yang@atmel.com>
> Cc: Brian Norris <computersforpeace@gmail.com>; David Woodhouse
> <dwmw2@infradead.org>; Pawel Moll <pawel.moll@arm.com>; Mark Brown
> <broonie@kernel.org>; Ian Campbell <ijc+devicetree@hellion.org.uk>; Kumar
> Gala <galak@codeaurora.org>; linux-kernel@vger.kernel.org; linux-
> mtd@lists.infradead.org; devicetree@vger.kernel.org; Ferre, Nicolas
> <Nicolas.FERRE@atmel.com>; Alexandre Belloni <alexandre.belloni@free-
> electrons.com>; Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>;
> Russell King <linux@arm.linux.org.uk>; Josh Wu <rainyfeeling@outlook.com>;
> linux-arm-kernel@lists.infradead.org
> Subject: Re: [PATCH 0/2] mtd: atmel_nand: remove compatible "atmel,sama5d4-
> nfc"
>
> On Mon, May 09, 2016 at 02:51:17PM +0800, Wenyou Yang wrote:
> > It is a datasheet bug, for current SoCs, the RB_EDGE3(i.e. bit 27) of
> > HSMC_SR register does not exist, the RB_EDGE0 (i.e. bit 24) is the
> > ready/busy line edge status bit. So the compatible "atmel,sama5d4-nfc"
> > is unneeded.
>
> The compatible is needed if the SOC still exists. You can list both for the sama5d4
> if the block is the same.
The NFC IP of SAMA5D4 is same as SAMA5D2's, SAMA5D4 hase this issue. This compatible can be removed.
Best Regards,
Wenyou Yang
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æèw*\x1fjg¬±¨\x1e¶Ý¢j.ïÛ°\½½MúgjÌæa×\x02' ©Þ¢¸\f¢·¦j:+v¨wèjØm¶ÿ¾\a«êçzZ+ùÝ¢j"ú!¶i
next prev parent reply other threads:[~2016-05-10 4:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 6:51 [PATCH 0/2] mtd: atmel_nand: remove compatible "atmel,sama5d4-nfc" Wenyou Yang
[not found] ` <1462776680-5284-1-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2016-05-09 6:51 ` [PATCH 1/2] Revert "mtd: atmel_nand: Support variable RB_EDGE interrupts" Wenyou Yang
2016-05-23 7:55 ` Boris Brezillon
2016-05-26 3:10 ` Brian Norris
[not found] ` <1462776680-5284-2-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2016-05-10 8:55 ` Boris Brezillon
2016-05-10 8:59 ` Yang, Wenyou
2016-05-10 9:59 ` Romain Izard
2016-05-26 3:16 ` Brian Norris
2016-05-26 6:36 ` Boris Brezillon
2016-05-09 6:51 ` [PATCH 2/2] ARM: at91/dt: use "atmel,sama5d3-nfc" compatible for nfc Wenyou Yang
2016-05-09 20:13 ` [PATCH 0/2] mtd: atmel_nand: remove compatible "atmel,sama5d4-nfc" Rob Herring
2016-05-10 4:50 ` Yang, Wenyou [this message]
2016-05-10 11:52 ` Alexandre Belloni
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