linux-kernel - Re: [PATCH v6 2/3] mmc: core: Support packed write command for eMMC4.5 device

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Message-ID: <7155413ec18f57c1151a29992be32b1f.squirrel@www.codeaurora.org>
Date:	Thu, 31 May 2012 12:18:16 -0700 (PDT)
From:	merez@...eaurora.org
To:	"Seungwon Jeon" <tgih.jun@...sung.com>
Cc:	linux-mmc@...r.kernel.org, "'Chris Ball'" <cjb@...top.org>,
	merez@...eaurora.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/3] mmc: core: Support packed write command for     
      eMMC4.5 device

> @@ -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




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