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mmc: host: atmel-mci: Add support for non-removable slots

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Add support for non-removable slots which have no card detection GPIO
and which should not be polled for a card change.

Signed-off-by: Timo Kokkonen <timo.kokkonen@offcode.fi>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Timo Kokkonen
2014-11-03 13:12:59 +02:00
committed by Ulf Hansson
parent 0654bb3cdd
commit 76d5556428
2 changed files with 11 additions and 2 deletions
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11
drivers/mmc/host/atmel-mci.c
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@@ -560,6 +560,9 @@ atmci_of_init(struct platform_device *pdev)
pdata->slot[slot_id].detect_is_active_high =
of_property_read_bool(cnp, "cd-inverted");
pdata->slot[slot_id].non_removable =
of_property_read_bool(cnp, "non-removable");
pdata->slot[slot_id].wp_pin =
of_get_named_gpio(cnp, "wp-gpios", 0);
}
@@ -2206,8 +2209,12 @@ static int __init atmci_init_slot(struct atmel_mci *host,
}
}
if (!gpio_is_valid(slot->detect_pin))
mmc->caps |= MMC_CAP_NEEDS_POLL;
if (!gpio_is_valid(slot->detect_pin)) {
if (slot_data->non_removable)
mmc->caps |= MMC_CAP_NONREMOVABLE;
else
mmc->caps |= MMC_CAP_NEEDS_POLL;
}
if (gpio_is_valid(slot->wp_pin)) {
if (devm_gpio_request(&host->pdev->dev, slot->wp_pin,