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    Subject[PATCH 4/4] atmel-mci: Set MMC_CAP_NEEDS_POLL if no detect_pin
    Date
    This allows the mmc core to detect card insertion/removal for slots that
    don't have any CD pin wired up.

    Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
    ---
    drivers/mmc/host/atmel-mci.c | 4 ++++
    1 files changed, 4 insertions(+), 0 deletions(-)

    diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
    index 3909608..917035e 100644
    --- a/drivers/mmc/host/atmel-mci.c
    +++ b/drivers/mmc/host/atmel-mci.c
    @@ -1059,6 +1059,10 @@ static int __init atmci_probe(struct platform_device *pdev)
    host->present = !gpio_get_value(host->detect_pin);
    }
    }
    +
    + if (!gpio_is_valid(host->detect_pin))
    + mmc->caps |= MMC_CAP_NEEDS_POLL;
    +
    if (gpio_is_valid(host->wp_pin)) {
    if (gpio_request(host->wp_pin, "mmc_wp")) {
    dev_dbg(&mmc->class_dev, "no WP pin available\n");
    --
    1.5.6.5


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