From mboxrd@z Thu Jan 1 00:00:00 1970 From: Haibo Chen Subject: [PATCH] mmc: mmc: fix switch to 1V8 for hs400es mode Date: Fri, 7 Jul 2017 17:08:55 +0800 Message-ID: <1499418535-10161-1-git-send-email-haibo.chen@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-db5eur01on0064.outbound.protection.outlook.com ([104.47.2.64]:44632 "EHLO EUR01-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751927AbdGGJCd (ORCPT ); Fri, 7 Jul 2017 05:02:33 -0400 Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: ulf.hansson@linaro.org, shawn.lin@rock-chips.com Cc: stable@vger.kernel.org, dianders@chromium.org, linux-mmc@vger.kernel.org, haibo.chen@nxp.com Change the default err value to -EINVAL, otherwise signal voltage will not change to 1V8 if card or controller only support 1V8 for HS400ES mode. Fixes: commit 1720d3545b77 ("mmc: core: switch to 1V8 or 1V2 for hs400es mode") Cc: Signed-off-by: Haibo Chen --- drivers/mmc/core/mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 92c6167..336a950 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1289,7 +1289,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card) static int mmc_select_hs400es(struct mmc_card *card) { struct mmc_host *host = card->host; - int err = 0; + int err = -EINVAL; u8 val; if (!(host->caps & MMC_CAP_8_BIT_DATA)) { -- 1.9.1