[PATCH 1/2] mci: bcm2835: Add detect callback support for hardware device

Sascha Hauer s.hauer at pengutronix.de
Tue Oct 15 05:00:39 EDT 2013


Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/mci/mci-bcm2835.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/mci/mci-bcm2835.c b/drivers/mci/mci-bcm2835.c
index abd38a3..a0c364d 100644
--- a/drivers/mci/mci-bcm2835.c
+++ b/drivers/mci/mci-bcm2835.c
@@ -511,6 +511,13 @@ static u32 bcm2835_mci_get_emmc_clock(struct msg_get_clock_rate *clk_data)
 	return 0;
 }
 
+static int bcm2835_mci_detect(struct device_d *dev)
+{
+	struct bcm2835_mci_host *host = dev->priv;
+
+	return mci_detect_card(&host->mci);
+}
+
 static int bcm2835_mci_probe(struct device_d *hw_dev)
 {
 	struct bcm2835_mci_host *host;
@@ -561,6 +568,9 @@ static int bcm2835_mci_probe(struct device_d *hw_dev)
 	host->mci.f_min = MIN_FREQ;
 	host->mci.f_max = host->max_clock;
 
+	hw_dev->priv = host;
+	hw_dev->detect = bcm2835_mci_detect,
+
 	/*
 	 * The Arasan has a bugette whereby it may lose the content of
 	 * successive writes to registers that are within two SD-card clock
-- 
1.8.4.rc3




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