From mboxrd@z Thu Jan 1 00:00:00 1970 From: r65037@freescale.com (Richard Zhu) Date: Wed, 1 Sep 2010 17:46:57 +0800 Subject: [PATCH 2/9] sdhci-2: add host's own get_ro func to support the controller that used it's own WP mechanism Message-ID: <1283334417-12524-1-git-send-email-r65037@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Some controllers have their own WP mechanism when implement the get_ro, add one get_ro api to supported them. Signed-off-by: Richard Zhu --- drivers/mmc/host/sdhci.c | 3 +++ drivers/mmc/host/sdhci.h | 1 + 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 2a93c27..e7e2611 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1213,6 +1213,9 @@ static int sdhci_get_ro(struct mmc_host *mmc) host = mmc_priv(mmc); + if (host->ops->get_ro) + return host->ops->get_ro(host); + spin_lock_irqsave(&host->lock, flags); if (host->flags & SDHCI_DEVICE_DEAD) diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index d420b4e..a4db2cc 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -322,6 +322,7 @@ struct sdhci_ops { unsigned int (*get_max_clock)(struct sdhci_host *host); unsigned int (*get_min_clock)(struct sdhci_host *host); unsigned int (*get_timeout_clock)(struct sdhci_host *host); + unsigned int (*get_ro)(struct sdhci_host *host); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS -- 1.7.0