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@@ -99,6 +99,10 @@ EXPORT_SYMBOL(mmc_request_done);
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void
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mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
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{
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+#ifdef CONFIG_MMC_DEBUG
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+ unsigned int i, sz;
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+#endif
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+
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pr_debug("%s: starting CMD%u arg %08x flags %08x\n",
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mmc_hostname(host), mrq->cmd->opcode,
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mrq->cmd->arg, mrq->cmd->flags);
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@@ -113,6 +117,13 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
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BUG_ON(mrq->data->blocks * mrq->data->blksz >
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host->max_req_size);
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+#ifdef CONFIG_MMC_DEBUG
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+ sz = 0;
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+ for (i = 0;i < mrq->data->sg_len;i++)
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+ sz += mrq->data->sg[i].length;
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+ BUG_ON(sz != mrq->data->blocks * mrq->data->blksz);
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+#endif
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+
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mrq->cmd->data = mrq->data;
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mrq->data->error = 0;
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mrq->data->mrq = mrq;
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