From: Marek Vasut <marex@denx.de>
To: Brian Norris <computersforpeace@gmail.com>
Cc: Huang Shijie <b32955@freescale.com>,
Lee Jones <lee.jones@linaro.org>,
linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org
Subject: Re: [PATCH 4/9] Documentation: spi-nor: rewrite some portions
Date: Wed, 9 Apr 2014 19:44:15 +0200 [thread overview]
Message-ID: <201404091944.15631.marex@denx.de> (raw)
In-Reply-To: <1397064774-31784-4-git-send-email-computersforpeace@gmail.com>
On Wednesday, April 09, 2014 at 07:32:49 PM, Brian Norris wrote:
> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
> ---
> WIP. This could be improved more (e.g., don't spend too much time
> documenting history; just document the current framework)
>
> Documentation/mtd/spi-nor.txt | 27 +++++++++++++++------------
> 1 file changed, 15 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/mtd/spi-nor.txt b/Documentation/mtd/spi-nor.txt
> index 294d5b06f892..bfcdeb94e053 100644
> --- a/Documentation/mtd/spi-nor.txt
> +++ b/Documentation/mtd/spi-nor.txt
> @@ -1,16 +1,20 @@
> SPI NOR framework
> ============================================
>
> -Part I - why we need this framework?
> +Part I - Why do we need this framework?
> -------------------------------------
The underline is not matching the length of the text now ;-)
>
> -The SPI bus controller only deals with the byte stream.
> -Some controller does not works like a SPI bus controller, it works
> -like a SPI NOR controller instead, such as the Freescale's QuadSPI
> controller. +SPI bus controllers (drivers/spi/) only deal with streams of
> bytes; the bus +controller operates agnostic of the specific device
> attached. However, some +controllers (such as Freescale's QuadSPI
> controller) cannot easily handle +arbitrary streams of bytes, but rather
> are designed specifically for SPI NOR.
You use the word 'specifically' here and below quick after one another, that
doesn't sound nice when you read the text.
> -The Freescale's QuadSPI controller should know the NOR commands to
> -find the right LUT sequence. Unfortunately, the old code can not meet
> -this requirement.
> +Specifically, Freescale's QuadSPI controller must know the NOR commands to
[...]
Best regards,
Marek Vasut
WARNING: multiple messages have this Message-ID (diff)
From: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
To: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Huang Shijie <b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 4/9] Documentation: spi-nor: rewrite some portions
Date: Wed, 9 Apr 2014 19:44:15 +0200 [thread overview]
Message-ID: <201404091944.15631.marex@denx.de> (raw)
In-Reply-To: <1397064774-31784-4-git-send-email-computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Wednesday, April 09, 2014 at 07:32:49 PM, Brian Norris wrote:
> Signed-off-by: Brian Norris <computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> WIP. This could be improved more (e.g., don't spend too much time
> documenting history; just document the current framework)
>
> Documentation/mtd/spi-nor.txt | 27 +++++++++++++++------------
> 1 file changed, 15 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/mtd/spi-nor.txt b/Documentation/mtd/spi-nor.txt
> index 294d5b06f892..bfcdeb94e053 100644
> --- a/Documentation/mtd/spi-nor.txt
> +++ b/Documentation/mtd/spi-nor.txt
> @@ -1,16 +1,20 @@
> SPI NOR framework
> ============================================
>
> -Part I - why we need this framework?
> +Part I - Why do we need this framework?
> -------------------------------------
The underline is not matching the length of the text now ;-)
>
> -The SPI bus controller only deals with the byte stream.
> -Some controller does not works like a SPI bus controller, it works
> -like a SPI NOR controller instead, such as the Freescale's QuadSPI
> controller. +SPI bus controllers (drivers/spi/) only deal with streams of
> bytes; the bus +controller operates agnostic of the specific device
> attached. However, some +controllers (such as Freescale's QuadSPI
> controller) cannot easily handle +arbitrary streams of bytes, but rather
> are designed specifically for SPI NOR.
You use the word 'specifically' here and below quick after one another, that
doesn't sound nice when you read the text.
> -The Freescale's QuadSPI controller should know the NOR commands to
> -find the right LUT sequence. Unfortunately, the old code can not meet
> -this requirement.
> +Specifically, Freescale's QuadSPI controller must know the NOR commands to
[...]
Best regards,
Marek Vasut
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next prev parent reply other threads:[~2014-04-09 17:47 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-09 17:32 [PATCH 1/9] mtd: spi-nor: drop \t after #define Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-09 17:32 ` [PATCH 2/9] mtd: spi-nor: re-name OPCODE_* to SPINOR_OP_* Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-09 17:41 ` Marek Vasut
2014-04-09 17:41 ` Marek Vasut
2014-04-10 7:42 ` Huang Shijie
2014-04-10 7:42 ` Huang Shijie
2014-04-09 17:32 ` [PATCH 3/9] mtd: spi-nor: unify read opcode variants with ST SPI FSM Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-09 17:41 ` Marek Vasut
2014-04-09 17:41 ` Marek Vasut
2014-04-10 7:43 ` Huang Shijie
2014-04-10 7:43 ` Huang Shijie
2014-04-10 7:47 ` Huang Shijie
2014-04-10 7:47 ` Huang Shijie
2014-04-10 19:34 ` Brian Norris
2014-04-10 19:34 ` Brian Norris
2014-04-09 17:32 ` [PATCH 4/9] Documentation: spi-nor: rewrite some portions Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-09 17:44 ` Marek Vasut [this message]
2014-04-09 17:44 ` Marek Vasut
2014-04-09 18:14 ` Brian Norris
2014-04-09 18:14 ` Brian Norris
2014-04-09 17:32 ` [PATCH 5/9] mtd: spi-nor: shorten Kconfig naming Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-09 17:44 ` Marek Vasut
2014-04-09 17:44 ` Marek Vasut
2014-04-10 7:39 ` Huang Shijie
2014-04-10 7:39 ` Huang Shijie
2014-04-09 17:32 ` [PATCH 6/9] mtd: st_spi_fsm: fixup Kconfig dependency Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-10 7:57 ` Lee Jones
2014-04-10 7:57 ` Lee Jones
2014-04-09 17:32 ` [PATCH 7/9] mtd: st_spi_fsm: kill duplicate CMD definitions Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-10 7:56 ` Lee Jones
2014-04-10 7:56 ` Lee Jones
2014-04-10 18:58 ` Brian Norris
2014-04-10 18:58 ` Brian Norris
2014-04-10 18:01 ` Geert Uytterhoeven
2014-04-10 18:01 ` Geert Uytterhoeven
2014-04-10 18:59 ` Brian Norris
2014-04-10 18:59 ` Brian Norris
2014-04-09 17:32 ` [PATCH 8/9] mtd: st_spi_fsm: replace FLACH_CMD_* with SPINOR_OP_* Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-10 7:52 ` Lee Jones
2014-04-10 7:52 ` Lee Jones
2014-04-09 17:32 ` [PATCH 9/9] mtd: st_spi_fsm: begin using spi-nor.h opcodes Brian Norris
2014-04-09 17:32 ` Brian Norris
2014-04-10 7:50 ` Lee Jones
2014-04-10 7:50 ` Lee Jones
2014-04-09 17:40 ` [PATCH 1/9] mtd: spi-nor: drop \t after #define Marek Vasut
2014-04-09 17:40 ` Marek Vasut
2014-04-09 17:56 ` Brian Norris
2014-04-09 17:56 ` Brian Norris
2014-04-10 7:34 ` Huang Shijie
2014-04-10 7:34 ` Huang Shijie
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