Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932272Ab3E0MR1 (ORCPT ); Mon, 27 May 2013 08:17:27 -0400 Received: from mga14.intel.com ([143.182.124.37]:60466 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932197Ab3E0MOt (ORCPT ); Mon, 27 May 2013 08:14:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,750,1363158000"; d="scan'208";a="308456481" From: Andy Shevchenko To: linux-kernel@vger.kernel.org, Vinod Koul , Dan Williams Cc: Andy Shevchenko Subject: [PATCH 06/12] mmp_pdma: remove useless use of lock Date: Mon, 27 May 2013 15:14:36 +0300 Message-Id: <1369656882-25241-7-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: 1205 Lines: 36 Accordingly to dma_cookie_status() description locking is not required. Signed-off-by: Andy Shevchenko --- drivers/dma/mmp_pdma.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index c26699f..ad4b0a7 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -632,15 +632,7 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd, static enum dma_status mmp_pdma_tx_status(struct dma_chan *dchan, dma_cookie_t cookie, struct dma_tx_state *txstate) { - struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan); - enum dma_status ret; - unsigned long flags; - - spin_lock_irqsave(&chan->desc_lock, flags); - ret = dma_cookie_status(dchan, cookie, txstate); - spin_unlock_irqrestore(&chan->desc_lock, flags); - - return ret; + return dma_cookie_status(dchan, cookie, txstate); } /** -- 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/