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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Markus Pargmann <mpa@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 5/9] lib: Import reed solomon code from kernel
Date: Fri, 4 Dec 2015 08:12:55 +0100	[thread overview]
Message-ID: <20151204071255.GS11966@pengutronix.de> (raw)
In-Reply-To: <1449064131-12659-6-git-send-email-mpa@pengutronix.de>

On Wed, Dec 02, 2015 at 02:48:47PM +0100, Markus Pargmann wrote:
> reed solomon code is used by RAMOOPS to check and fix data stored in
> volatile memory.
> 
> Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
> ---
>  include/linux/rslib.h           | 109 ++++++++++++
>  lib/Kconfig                     |  15 ++
>  lib/Makefile                    |   1 +
>  lib/reed_solomon/Makefile       |   6 +
>  lib/reed_solomon/decode_rs.c    | 271 +++++++++++++++++++++++++++++
>  lib/reed_solomon/encode_rs.c    |  54 ++++++
>  lib/reed_solomon/reed_solomon.c | 377 ++++++++++++++++++++++++++++++++++++++++
>  7 files changed, 833 insertions(+)
>  create mode 100644 include/linux/rslib.h
>  create mode 100644 lib/reed_solomon/Makefile
>  create mode 100644 lib/reed_solomon/decode_rs.c
>  create mode 100644 lib/reed_solomon/encode_rs.c
>  create mode 100644 lib/reed_solomon/reed_solomon.c
> 

> diff --git a/lib/Kconfig b/lib/Kconfig
> index fbf9f0f34849..f2f3b5775ace 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -22,6 +22,21 @@ config XZ_DECOMPRESS
>  	bool "include xz uncompression support"
>  	select UNCOMPRESS
>  
> +config REED_SOLOMON
> +	bool
> +
> +config REED_SOLOMON_ENC8
> +	bool
> +
> +config REED_SOLOMON_DEC8
> +	bool
> +
> +config REED_SOLOMON_ENC16
> +	bool
> +
> +config REED_SOLOMON_DEC16
> +	bool
> +

These fine grained config options seem unnecessary. Can we limit this to
a single config REED_SOLOMON only? The linker will discard unused
symbols anyway.

Sascha



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  reply	other threads:[~2015-12-04  7:13 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-02 13:48 [PATCH 0/9] RAMOOPS read support for Barebox Markus Pargmann
2015-12-02 13:48 ` [PATCH 1/9] arm: boards: karo-tx6x remove definition of DIV_ROUND_UP Markus Pargmann
2015-12-02 13:48 ` [PATCH 2/9] log2: Add missing __rounddown_pow_of_two() Markus Pargmann
2015-12-02 13:48 ` [PATCH 3/9] printk: Add missing include/declaration Markus Pargmann
2015-12-02 13:48 ` [PATCH 4/9] vsprintf: Add scnprintf from kernel Markus Pargmann
2015-12-02 13:48 ` [PATCH 5/9] lib: Import reed solomon code " Markus Pargmann
2015-12-04  7:12   ` Sascha Hauer [this message]
2015-12-04 13:22     ` Markus Pargmann
2015-12-02 13:48 ` [PATCH 6/9] arm: Clarify memory layout calculation Markus Pargmann
2015-12-04  7:09   ` Sascha Hauer
2015-12-02 13:48 ` [PATCH 7/9] arm: start: Add visible sdram region for barebox board data Markus Pargmann
2015-12-02 13:48 ` [PATCH 8/9] arm: Add RAMOOPS memory area Markus Pargmann
2015-12-04  7:07   ` Sascha Hauer
2015-12-04 13:30     ` Markus Pargmann
2015-12-07  9:15       ` Sascha Hauer
2015-12-02 13:48 ` [PATCH 9/9] fs: Add pstore filesystem Markus Pargmann
2015-12-02 18:37   ` Antony Pavlov
2015-12-04 13:10     ` Markus Pargmann

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