linux-kernel - Re: [PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume in atc

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:	Fri, 06 May 2011 18:56:33 +0200
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	vinod.koul@...el.com
CC:	dan.j.williams@...el.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume
 in atc_control

Le 06/05/2011 19:56, Nicolas Ferre :
> Pause and resume controls are useful for audio devices. This also returns
> correct status from atc_tx_status() in case chan is paused.
> 
> Idea from dw_dmac patch by Linus Walleij.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> ---

V2: In case of pause, some peripheral are not draining data out of FIFO
    if they are stopped or not clocked: we need to find a way out with
    a simple timeout.

[..]

Best regards,
-- 
Nicolas Ferre

--
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/