From ac8fb3e8627d5494f3d2221925a82be4c1778b0e Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Wed, 19 May 2010 18:36:02 +0000 Subject: tmio: add a platform flag to disable card write-protection detection Write-protection status is not always available, e.g., micro-SD cards do not have a write-protection switch at all. This patch adds a flag to let platforms force tmio_mmc to consider the card writable. Signed-off-by: Guennadi Liakhovetski Acked-by: Ian Molton Signed-off-by: Paul Mundt --- drivers/mmc/host/tmio_mmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c index 3ecd41875fac..faa16b7d9412 100644 --- a/drivers/mmc/host/tmio_mmc.c +++ b/drivers/mmc/host/tmio_mmc.c @@ -748,8 +748,11 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) static int tmio_mmc_get_ro(struct mmc_host *mmc) { struct tmio_mmc_host *host = mmc_priv(mmc); + struct mfd_cell *cell = host->pdev->dev.platform_data; + struct tmio_mmc_data *pdata = cell->driver_data; - return (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT) ? 0 : 1; + return ((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) || + (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT)) ? 0 : 1; } static const struct mmc_host_ops tmio_mmc_ops = { -- cgit v1.2.3