Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934726Ab3DSXNL (ORCPT ); Fri, 19 Apr 2013 19:13:11 -0400 Received: from moutng.kundenserver.de ([212.227.17.10]:61215 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934183Ab3DSXNK (ORCPT ); Fri, 19 Apr 2013 19:13:10 -0400 From: Arnd Bergmann To: Jon Hunter Subject: Re: [PATCH 2/2] dma:of: Use a mutex to protect the of_dma_list Date: Sat, 20 Apr 2013 01:13:02 +0200 User-Agent: KMail/1.12.2 (Linux/3.8.0-18-generic; KDE/4.3.2; x86_64; ; ) Cc: "Lars-Peter Clausen" , Vinod Koul , linux-kernel@vger.kernel.org References: <1366364534-3298-1-git-send-email-lars@metafoo.de> <1366364534-3298-2-git-send-email-lars@metafoo.de> <5171C8F6.6010702@ti.com> In-Reply-To: <5171C8F6.6010702@ti.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201304200113.02908.arnd@arndb.de> X-Provags-ID: V02:K0:z7lEudkUPiBLUg32IwYhKTU9O42PVZySJJwjbVaY9OG F2WfwE402xuUOteheohChbOEtvtWKAzbKcfJ9uCs63qKShomY+ g6ISsVZ9SNdcakpU2YvPEb2kJ4l9JTZ4NrOdwG+k1sYlmILTLA /liEB4doM6WKH0kGeJfnuvZ4TRyZWtRTGPcBWg43dZexIeEcsr 9ErgCd/Dd4pRp3dEK1tbNafotC+cMwQcr+wQN8MH/yTRwanBFZ RV521nUpP+prAnO4CakatgWJucoas83/C4B1nluswBQKqQRQ22 3aircRONJQ8H05ZooNjGo4pQ/SAZwyEzRA0jZIIrqCYoTR6bh2 VZUpwL1AfqeQz/Nf9UYc= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 555 Lines: 13 On Saturday 20 April 2013, Jon Hunter wrote: > Change also means that of_dma_request_slave_channel() cannot be called > from a context where it is not possible to sleep too, right? May be > worth mentioning this in the changelog as well. You already cannot do that, because it requires dma_list_mutex. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/