Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932267Ab3E0MRJ (ORCPT ); Mon, 27 May 2013 08:17:09 -0400 Received: from mga03.intel.com ([143.182.124.21]:14005 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932140Ab3E0MOu (ORCPT ); Mon, 27 May 2013 08:14:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,750,1363158000"; d="scan'208";a="340798910" From: Andy Shevchenko To: linux-kernel@vger.kernel.org, Vinod Koul , Dan Williams Cc: Andy Shevchenko Subject: [PATCH 08/12] pch_dma: remove useless use of lock Date: Mon, 27 May 2013 15:14:38 +0300 Message-Id: <1369656882-25241-9-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.8.2.rc0.22.gb3600c3 In-Reply-To: <1369656882-25241-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1369656882-25241-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1168 Lines: 35 Accordingly to dma_cookie_status() description locking is not required. Signed-off-by: Andy Shevchenko --- drivers/dma/pch_dma.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index ce3dc3e..237f1d5 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -564,14 +564,7 @@ static void pd_free_chan_resources(struct dma_chan *chan) static enum dma_status pd_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *txstate) { - struct pch_dma_chan *pd_chan = to_pd_chan(chan); - enum dma_status ret; - - spin_lock_irq(&pd_chan->lock); - ret = dma_cookie_status(chan, cookie, txstate); - spin_unlock_irq(&pd_chan->lock); - - return ret; + return dma_cookie_status(chan, cookie, txstate); } static void pd_issue_pending(struct dma_chan *chan) -- 1.8.2.rc0.22.gb3600c3 -- 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/