From 5a70382dd43a27ae4bc8d8d6af5f7341828f23ad Mon Sep 17 00:00:00 2001 From: Alexandre Pereira da Silva Date: Fri, 5 Apr 2013 01:18:38 -0300 Subject: [PATCH 1/2] mmc: mxs-mmc: Add support for non-removable cards Some boards and card slots doesn't have card detect feature available. In that case allow to mark the cards as non-removable, via devicetree. Signed-off-by: Alexandre Pereira da Silva --- drivers/mmc/host/mxs-mmc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 4efe302..7d2cd74 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -95,6 +95,9 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc) struct mxs_mmc_host *host = mmc_priv(mmc); struct mxs_ssp *ssp = &host->ssp; + if (mmc->caps & MMC_CAP_NONREMOVABLE) + return 1; + return !(readl(ssp->base + HW_SSP_STATUS(ssp)) & BM_SSP_STATUS_CARD_DETECT); } @@ -691,6 +694,9 @@ static int mxs_mmc_probe(struct platform_device *pdev) if (flags & OF_GPIO_ACTIVE_LOW) host->wp_inverted = 1; + if (of_find_property(np, "non-removable", NULL)) + mmc->caps |= MMC_CAP_NONREMOVABLE; + mmc->f_min = 400000; mmc->f_max = 288000000; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; -- 1.7.10.4