From faf39ede5e6325d3e91b6e4e0017d27fbecb6022 Mon Sep 17 00:00:00 2001 From: Pavel Pisa Date: Sun, 23 Sep 2007 22:59:01 +0200 Subject: arm: i.MX/MX1 SDHC implements SD cards read-only switch read-back The patch enables to define MMC host get_ro() method through platform data. Signed-off-by: Pavel Pisa Signed-off-by: Pierre Ossman --- drivers/mmc/host/imxmmc.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers/mmc/host/imxmmc.c') diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c index e33c123c702..6ebc41e7592 100644 --- a/drivers/mmc/host/imxmmc.c +++ b/drivers/mmc/host/imxmmc.c @@ -884,9 +884,21 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) } } +static int imxmci_get_ro(struct mmc_host *mmc) +{ + struct imxmci_host *host = mmc_priv(mmc); + + if (host->pdata && host->pdata->get_ro) + return host->pdata->get_ro(mmc_dev(mmc)); + /* Host doesn't support read only detection so assume writeable */ + return 0; +} + + static const struct mmc_host_ops imxmci_ops = { .request = imxmci_request, .set_ios = imxmci_set_ios, + .get_ro = imxmci_get_ro, }; static struct resource *platform_device_resource(struct platform_device *dev, unsigned int mask, int nr) @@ -913,7 +925,7 @@ static void imxmci_check_status(unsigned long data) { struct imxmci_host *host = (struct imxmci_host *)data; - if( host->pdata->card_present() != host->present ) { + if( host->pdata->card_present(mmc_dev(host->mmc)) != host->present ) { host->present ^= 1; dev_info(mmc_dev(host->mmc), "card %s\n", host->present ? "inserted" : "removed"); @@ -1022,7 +1034,7 @@ static int imxmci_probe(struct platform_device *pdev) if (ret) goto out; - host->present = host->pdata->card_present(); + host->present = host->pdata->card_present(mmc_dev(mmc)); init_timer(&host->timer); host->timer.data = (unsigned long)host; host->timer.function = imxmci_check_status; -- cgit v1.2.3-70-g09d2