From mboxrd@z Thu Jan  1 00:00:00 1970
From: merez@codeaurora.org
Subject: Re: [PATCH v6 2/3] mmc: core: Support packed write command for     
      eMMC4.5 device
Date: Thu, 31 May 2012 12:18:16 -0700 (PDT)
Message-ID: <7155413ec18f57c1151a29992be32b1f.squirrel@www.codeaurora.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7BIT
Return-path: <linux-mmc-owner@vger.kernel.org>
Received: from wolverine02.qualcomm.com ([199.106.114.251]:6849 "EHLO
	wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S933013Ab2EaTSR (ORCPT
	<rfc822;linux-mmc@vger.kernel.org>); Thu, 31 May 2012 15:18:17 -0400
Sender: linux-mmc-owner@vger.kernel.org
List-Id: linux-mmc@vger.kernel.org
To: Seungwon Jeon <tgih.jun@samsung.com>
Cc: linux-mmc@vger.kernel.org, 'Chris Ball' <cjb@laptop.org>, merez@codeaurora.org, linux-kernel@vger.kernel.org

> @@ -1313,10 +1609,17 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue
*mq, struct request *rqc)
>  			 * A block was successfully transferred.
>  			 */
>  			mmc_blk_reset_success(md, type);
> -			spin_lock_irq(&md->lock);
> -			ret = __blk_end_request(req, 0,
> +
> +			if (mq_rq->packed_cmd != MMC_PACKED_NONE) {
> +				ret = mmc_blk_end_packed_req(mq, mq_rq);
If a specific request in the packed request consistantly fails, there is
nothing to stop us from sending the same packed request in an endless
loop.
> +				break;

Thanks,
Maya Erez
Consultant for Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum