From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756685AbYFPOgQ (ORCPT ); Mon, 16 Jun 2008 10:36:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754181AbYFPOfR (ORCPT ); Mon, 16 Jun 2008 10:35:17 -0400 Received: from aeryn.fluff.org.uk ([87.194.8.8]:50190 "EHLO kira.home.fluff.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753868AbYFPOfO (ORCPT ); Mon, 16 Jun 2008 10:35:14 -0400 Message-Id: <20080616143512.400250136@fluff.org.uk> References: <20080616143445.451023326@fluff.org.uk> User-Agent: quilt/0.46-1 Date: Mon, 16 Jun 2008 15:34:48 +0100 From: Ben Dooks To: linux-kernel@vger.kernel.org Cc: drzeus-mmc@drzeus.cx, Ben Dooks Subject: [patch v2 03/16] MMC: S3C24XX MMC/SD driver write fixes Content-Disposition: inline; filename=thirdparty/openmoko-mci/s3cmci_dbg.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Harald Welte This patch is a workaround of some S3C2410 MMC chip bug Signed-off-by: Ben Dooks Index: linux-2.6.26-rc5-q2/drivers/mmc/host/s3cmci.c =================================================================== --- linux-2.6.26-rc5-q2.orig/drivers/mmc/host/s3cmci.c 2008-06-16 14:19:18.000000000 +0100 +++ linux-2.6.26-rc5-q2/drivers/mmc/host/s3cmci.c 2008-06-16 14:19:44.000000000 +0100 @@ -454,11 +454,17 @@ static irqreturn_t s3cmci_irq(int irq, v if (mci_csta & S3C2410_SDICMDSTAT_CRCFAIL) { if (cmd->flags & MMC_RSP_CRC) { - cmd->error = MMC_ERR_BADCRC; - host->status = "error: bad command crc"; - goto fail_transfer; + if (host->mrq->cmd->flags & MMC_RSP_136) { + dbg(host, dbg_irq, + "fixup: ignore CRC fail with long rsp\n"); + } else { +#if 0 + cmd->error = MMC_ERR_BADCRC; + host->status = "error: bad command crc"; + goto fail_transfer; +#endif + } } - mci_cclear |= S3C2410_SDICMDSTAT_CRCFAIL; } -- Ben (ben@fluff.org, http://www.fluff.org/) 'a smiley only costs 4 bytes'