Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932933Ab1CRWMR (ORCPT ); Fri, 18 Mar 2011 18:12:17 -0400 Received: from mail.atheros.com ([12.19.149.2]:44350 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932890Ab1CRWMK (ORCPT ); Fri, 18 Mar 2011 18:12:10 -0400 From: "Luis R. Rodriguez" To: CC: , , , , , , "Luis R. Rodriguez" , Naveen Singh , Vipin Mehta Subject: [RFC 1/4] sdhci: allow for multiple delays when sending commands Date: Fri, 18 Mar 2011 15:11:57 -0700 Message-ID: <1300486320-23607-2-git-send-email-lrodriguez@atheros.com> X-Mailer: git-send-email 1.7.4.15.g7811d In-Reply-To: <1300486320-23607-1-git-send-email-lrodriguez@atheros.com> References: <1300486320-23607-1-git-send-email-lrodriguez@atheros.com> 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 Content-Length: 1335 Lines: 44 This is at least known to be required for the ENE 714. Cc: Chris Ball Cc: Kalle Valo Cc: Naveen Singh Cc: Vipin Mehta Signed-off-by: Luis R. Rodriguez --- drivers/mmc/host/sdhci.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9e15f41..c95dfc2 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -891,8 +891,8 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) WARN_ON(host->cmd); - /* Wait max 10 ms */ - timeout = 10; + /* Wait max this amount of ms */ + timeout = (10*256) + 255; mask = SDHCI_CMD_INHIBIT; if ((cmd->data != NULL) || (cmd->flags & MMC_RSP_BUSY)) @@ -913,7 +913,8 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) return; } timeout--; - mdelay(1); + if (!(timeout & 0xFF)) + mdelay(1); } mod_timer(&host->timer, jiffies + 10 * HZ); -- 1.7.4.15.g7811d -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/