Commit 2a16d5e4 authored Sep 22, 2013 by Konstantin Dorfman

mmc: core: skip stop flow when current request already done



When mmc_stop_request() has no request to stop, because underlying
host driver reported this, the flow should wait for the mmc done()
callback marking that urgent still pending.

CRs-Fixed: 538117
Change-Id: Ib684949619043882df69f4f1f9c45e28a67a5248
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>

parent 1814b3c0

drivers/mmc/core/core.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -746,7 +746,11 @@ static int mmc_wait_for_data_req_done(struct mmc_host *host,
		*/
		mmc_update_clk_scaling(host);
		err = mmc_stop_request(host);
		if (err && !context_info->is_done_rcv) {
		if (err == MMC_BLK_NO_REQ_TO_STOP) {
		pending_is_urgent = true;
		/* wait for done/new/urgent event */
		continue;
		} else if (err && !context_info->is_done_rcv) {
		err = MMC_BLK_ABORT;
		break;
		}