linux-kernel - Re: [PATCH 06/44] gpio-poweroff: Drop reference to pm_power

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]

Date:	Tue, 7 Oct 2014 12:03:32 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"adi-buildroot-devel@...ts.sourceforge.net" 
	<adi-buildroot-devel@...ts.sourceforge.net>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"lguest@...ts.ozlabs.org" <lguest@...ts.ozlabs.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-alpha@...r.kernel.org" <linux-alpha@...r.kernel.org>,
	"linux-am33-list@...hat.com" <linux-am33-list@...hat.com>,
	"linux-cris-kernel@...s.com" <linux-cris-kernel@...s.com>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"linux-hexagon@...r.kernel.org" <linux-hexagon@...r.kernel.org>,
	"linux-m32r-ja@...linux-m32r.org" <linux-m32r-ja@...linux-m32r.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
	"openipmi-developer@...ts.sourceforge.net" 
	<openipmi-developer@...ts.sourceforge.net>,
	"user-mode-linux-devel@...ts.sourceforge.net" 
	<user-mode-linux-devel@...ts.sourceforge.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-c6x-dev@...ux-c6x.org" <linux-c6x-dev@...ux-c6x.org>,
	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
	"linux-m68k@...r.kernel.org" <linux-m68k@...r.kernel.org>,
	"linux-metag@...r.kernel.org" <linux-metag@...r.kernel.org>,
	"linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
	"linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
	"xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>
Subject: Re: [PATCH 06/44] gpio-poweroff: Drop reference to pm_power_off from
 devicetree bindings

On Tue, Oct 07, 2014 at 06:28:08AM +0100, Guenter Roeck wrote:
> pm_power_off is an implementation detail. Replace it with a more generic
> description of the driver's functionality.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Pawel Moll <pawel.moll@....com>
> Cc: Mark Rutland <mark.rutland@....com>

Acked-by: Mark Rutland <mark.rutland@....com>

> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>  Documentation/devicetree/bindings/gpio/gpio-poweroff.txt | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt b/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt
> index d4eab92..c95a1a6 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt
> +++ b/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt
> @@ -2,12 +2,12 @@ Driver a GPIO line that can be used to turn the power off.
>  
>  The driver supports both level triggered and edge triggered power off.
>  At driver load time, the driver will request the given gpio line and
> -install a pm_power_off handler. If the optional properties 'input' is
> -not found, the GPIO line will be driven in the inactive
> +install a handler to power off the system. If the optional properties
> +'input' is not found, the GPIO line will be driven in the inactive
>  state. Otherwise its configured as an input.
>  
> -When the pm_power_off is called, the gpio is configured as an output,
> -and drive active, so triggering a level triggered power off
> +When the the poweroff handler is called, the gpio is configured as an
> +output, and drive active, so triggering a level triggered power off
>  condition. This will also cause an inactive->active edge condition, so
>  triggering positive edge triggered power off. After a delay of 100ms,
>  the GPIO is set to inactive, thus causing an active->inactive edge,
> @@ -24,7 +24,7 @@ Required properties:
>  
>  Optional properties:
>  - input : Initially configure the GPIO line as an input. Only reconfigure
> -  it to an output when the pm_power_off function is called. If this optional
> +  it to an output when the poweroff handler is called. If this optional
>    property is not specified, the GPIO is initialized as an output in its
>    inactive state.
>  
> -- 
> 1.9.1
> 
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/