From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yangbo Lu Subject: [PATCH 2/6] mmc: sdhci: add a callback of tuning block setting Date: Mon, 14 Sep 2015 19:43:35 +0800 Message-ID: <1442231015-10617-1-git-send-email-yangbo.lu@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-bn1on0112.outbound.protection.outlook.com ([157.56.110.112]:43243 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752161AbbINLt3 (ORCPT ); Mon, 14 Sep 2015 07:49:29 -0400 Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org, ulf.hansson@linaro.org Cc: Yangbo Lu Add a tuning block setting callback to let host set its tuning block before executing tuning procedure. Signed-off-by: Yangbo Lu --- drivers/mmc/host/sdhci.c | 3 +++ drivers/mmc/host/sdhci.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9b3d4c2..9da4644 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1939,6 +1939,9 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) return err; } + if (host->ops->set_tuning_block) + host->ops->set_tuning_block(host); + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ctrl |= SDHCI_CTRL_EXEC_TUNING; if (host->quirks2 & SDHCI_QUIRK2_TUNING_WORK_AROUND) diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 723f034..98f239b 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -546,6 +546,7 @@ struct sdhci_ops { int card_drv, int *drv_type); void (*signal_voltage_switch)(struct sdhci_host *host, unsigned char signal_voltage); + void (*set_tuning_block)(struct sdhci_host *host); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS -- 2.1.0.27.g96db324