linux-kernel - Re: [PATCH] rtc: i2c/spi: Avoid inclusion of REGMAP support when not needed

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200127224549.GC3273@piout.net>
Date:   Mon, 27 Jan 2020 23:45:49 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Akinobu Mita <akinobu.mita@...il.com>,
        Joe Perches <joe@...ches.com>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtc: i2c/spi: Avoid inclusion of REGMAP support when not
 needed

On 12/01/2020 18:13:49+0100, Geert Uytterhoeven wrote:
> Merely enabling I2C and RTC selects REGMAP_I2C and REGMAP_SPI, even when
> no driver needs it.  While the former can be moduler, the latter cannot,
> and thus becomes built-in.
> 
> Fix this by moving the select statements for REGMAP_I2C and REGMAP_SPI
> from the RTC_I2C_AND_SPI helper to the individual drivers that depend on
> it.
> 
> Note that the comment for RTC_I2C_AND_SPI refers to SND_SOC_I2C_AND_SPI
> for more information, but the latter does not select REGMAP_{I2C,SPI}
> itself, and defers that to the individual drivers, too.
> 
> Fixes: 080481f54ef62121 ("rtc: merge ds3232 and ds3234")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
> Joe: When merging addresses, scripts/get_maintainer.pl replaces
>      Alexandre's authoritative email address from MAINTAINERS by the
>      obsolete address in the SoB-line of the commit referred to by the
>      Fixes-line.
> 
>  drivers/rtc/Kconfig | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
Applied, thanks.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com