From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Lin Subject: [PATCH 2/3] mmc: test: prepare sbc for preceding ACMD23 multiple block write Date: Wed, 27 Sep 2017 11:40:37 +0800 Message-ID: <1506483638-115756-2-git-send-email-shawn.lin@rock-chips.com> References: <1506483638-115756-1-git-send-email-shawn.lin@rock-chips.com> Return-path: Received: from lucky1.263xmail.com ([211.157.147.134]:38951 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S969859AbdI0Dlw (ORCPT ); Tue, 26 Sep 2017 23:41:52 -0400 In-Reply-To: <1506483638-115756-1-git-send-email-shawn.lin@rock-chips.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson Cc: Adrian Hunter , Jaehoon Chung , Wolfram Sang , "Steven J. Hill" , Jan Glauber , linux-mmc@vger.kernel.org, Shawn Lin Enable preceding ACMD23 for testing multiple block write for the sd cards which don't claim to support CMD23. Signed-off-by: Shawn Lin --- drivers/mmc/core/mmc_test.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index 4788698..c941ba9 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -198,17 +198,26 @@ static void mmc_test_prepare_sbc(struct mmc_test_card *test, struct mmc_request *mrq, unsigned int blocks) { struct mmc_card *card = test->card; + bool need_acmd23 = false; if (!mrq->sbc || !mmc_host_cmd23(card->host) || !mmc_test_card_cmd23(card) || !mmc_op_multi(mrq->cmd->opcode) || (card->quirks & MMC_QUIRK_BLK_NO_CMD23)) { + need_acmd23 = mmc_card_sd(card) && + mrq->cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK; + if (need_acmd23) + goto prepare_sbc; + mrq->sbc = NULL; return; } +prepare_sbc: mrq->sbc->opcode = MMC_SET_BLOCK_COUNT; mrq->sbc->arg = blocks; mrq->sbc->flags = MMC_RSP_R1 | MMC_CMD_AC; + if (need_acmd23) + mrq->sbc->flags |= MMC_CMD_SD_APP; } /* -- 1.9.1