From da45b66ec89bbf3a1c172688c35d4d3a6e8e757f Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Fri, 19 Sep 2008 21:09:30 +0200
Subject: [PATCH] atmel-mci: Set MMC_CAP_NEEDS_POLL if no detect_pin
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>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
drivers/mmc/host/atmel-mci.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 39096083bb61..917035e16da4 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");
--
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