linux-kernel - Re: [PATCHv3] driver: serial: prevent UART console idle on suspend while using "no_console

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: <87haj7cwcz.fsf@linaro.org>
Date:	Mon, 15 Apr 2013 14:33:32 -0700
From:	Kevin Hilman <khilman@...aro.org>
To:	"Bedia\, Vaibhav" <vaibhav.bedia@...com>
Cc:	"Poddar\, Sourav" <sourav.poddar@...com>,
	"gregkh\@linuxfoundation.org" <gregkh@...uxfoundation.org>,
	"tony\@atomide.com" <tony@...mide.com>,
	"rmk+kernel\@arm.linux.org.uk" <rmk+kernel@....linux.org.uk>,
	"linux-omap\@vger.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-serial\@vger.kernel.org" <linux-serial@...r.kernel.org>,
	"Shilimkar\, Santosh" <santosh.shilimkar@...com>,
	"Balbi\, Felipe" <balbi@...com>, "Nayak\, Rajendra" <rnayak@...com>
Subject: Re: [PATCHv3] driver: serial: prevent UART console idle on suspend while using "no_console_suspend"

Hi Vaibhav,

"Bedia, Vaibhav" <vaibhav.bedia@...com> writes:

[...]

>> So, my proposal is that Sourav remove that flag from the AM33xx hwmod
>> when he removes this feature.
>
> Apologies for the delayed response. I was out of office for a couple of
> days.
>
> I don't recall the exact kernel version in which I ended up adding
> this flag to keep the clock running but yes after the change mentioned
> below this flag is not required. I just did a sanity check by removing
> this flag on v3.8 kernel and things work fine across suspend.

Great, thanks for checking. 

That leaves only the UART driver, so after Sourav's changes, we will
drop the flag completely.

Kevin
--
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/