From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752885AbcANJQz (ORCPT ); Thu, 14 Jan 2016 04:16:55 -0500 Received: from arroyo.ext.ti.com ([192.94.94.40]:60867 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752378AbcANJQt (ORCPT ); Thu, 14 Jan 2016 04:16:49 -0500 From: Kishon Vijay Abraham I To: Tony Lindgren , Ulf Hansson CC: , , , , , , , , , , , NeilBrown , , , Subject: [PATCH] mmc: host: omap_hsmmc: add a verbose print to enable CONFIG_REGULATOR_PBIAS Date: Thu, 14 Jan 2016 14:45:20 +0530 Message-ID: <1452762920-2588-1-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since v4.3+, CONFIG_REGULATOR_PBIAS should be enabled (for platforms that have PBIAS regulator) in order for MMC1 to work. Add a more verbose print to help enable CONFIG_REGULATOR_PBIAS for users using a olddefconfig or a custom .config. Signed-off-by: Kishon Vijay Abraham I --- drivers/mmc/host/omap_hsmmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 7fb0753..7086bd6 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -503,8 +503,11 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) host->pbias = devm_regulator_get_optional(host->dev, "pbias"); if (IS_ERR(host->pbias)) { ret = PTR_ERR(host->pbias); - if ((ret != -ENODEV) && host->dev->of_node) + if ((ret != -ENODEV) && host->dev->of_node) { + dev_err(host->dev, + "SD card detect fail? enable CONFIG_REGULATOR_PBIAS\n"); return ret; + } dev_dbg(host->dev, "unable to get pbias regulator %ld\n", PTR_ERR(host->pbias)); host->pbias = NULL; -- 1.7.9.5