From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751623AbWFUO0d (ORCPT ); Wed, 21 Jun 2006 10:26:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751608AbWFUO0c (ORCPT ); Wed, 21 Jun 2006 10:26:32 -0400 Received: from 85.8.24.16.se.wasadata.net ([85.8.24.16]:61856 "EHLO mail.drzeus.cx") by vger.kernel.org with ESMTP id S1751603AbWFUO0V (ORCPT ); Wed, 21 Jun 2006 10:26:21 -0400 From: Pierre Ossman Subject: [PATCH 14/21] [MMC] Reset sdhci controller early Date: Wed, 21 Jun 2006 16:26:22 +0200 Cc: Pierre Ossman To: rmk+lkml@arm.linux.org.uk Cc: linux-kernel@vger.kernel.org Message-Id: <20060621142621.8857.43968.stgit@poseidon.drzeus.cx> In-Reply-To: <20060621142323.8857.69197.stgit@poseidon.drzeus.cx> References: <20060621142323.8857.69197.stgit@poseidon.drzeus.cx> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The specification states that the capabilities register might need a reset to get correct values after boot up. Signed-off-by: Pierre Ossman --- drivers/mmc/sdhci.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 0c19e27..7b55691 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -1132,6 +1132,8 @@ static int __devinit sdhci_probe_slot(st goto release; } + sdhci_reset(host, SDHCI_RESET_ALL); + version = readw(host->ioaddr + SDHCI_HOST_VERSION); version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT; if (version != 0) {