linux-kernel - Re: [PATCH 3/3] remoteproc: wkup_m3: Add wkup

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] [day] [month] [year] [list]

Message-ID: <20150105224802.GM4081@atomide.com>
Date:	Mon, 5 Jan 2015 14:48:02 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Felipe Balbi <balbi@...com>
Cc:	Dave Gerlach <d-gerlach@...com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
	Benoit Cousson <bcousson@...libre.com>,
	Ohad Ben-Cohen <ohad@...ery.com>, Suman Anna <s-anna@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Kevin Hilman <khilman@...aro.org>
Subject: Re: [PATCH 3/3] remoteproc: wkup_m3: Add wkup_m3 remote proc driver

* Felipe Balbi <balbi@...com> [150105 12:23]:
> On Mon, Jan 05, 2015 at 02:10:14PM -0600, Dave Gerlach wrote:
> > >> +static int wkup_m3_rpm_suspend(struct device *dev)
> > >> +{
> > >> +	return -EBUSY;
> > >> +}
> > > 
> > > looks like this is just coping with omap_device bogosity, no ?
> > >
> > 
> > Yes, without this omap_device shuts down ther wkup_m3 during suspend, which of
> > course prevents the wkup_m3 from finishing suspend process or waking SoC back
> > up. Haven't found a better solution for the problem than this.
> 
> Tony, any better for this ? Do we keep this small hack or find a better
> way ?

Looks OK to me for now, later on we may want to have a flag for
HWMOD_NEVER_IDLE or something similar for wkup_m3_hwmod. But let's
not add more dependencies to this series.

Regards,

Tony
--
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/