This way we can avoid probing for the SD/MMC devices at startup
and just detect them when actually needed.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
drivers/mci/stm32_sdmmc2.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/mci/stm32_sdmmc2.c b/drivers/mci/stm32_sdmmc2.c
index 3ce3bb0f89d2..ac52b62fa0b7 100644
--- a/drivers/mci/stm32_sdmmc2.c
+++ b/drivers/mci/stm32_sdmmc2.c
@@ -571,6 +571,13 @@ static void stm32_sdmmc2_set_ios(struct mci_host *mci, struct mci_ios *ios)
priv->base + SDMMC_CLKCR);
}
+static int stm32_sdmmc2_detect(struct device_d *dev)
+{
+ struct stm32_sdmmc2_priv *priv = dev->priv;
+
+ return mci_detect_card(&priv->mci);
+}
+
static int stm32_sdmmc2_probe(struct amba_device *adev,
const struct amba_id *id)
{
@@ -591,6 +598,9 @@ static int stm32_sdmmc2_probe(struct amba_device *adev,
mci->init = stm32_sdmmc2_reset;
mci->hw_dev = dev;
+ dev->priv = priv;
+ dev->detect = stm32_sdmmc2_detect;
+
priv->clk = clk_get(dev, NULL);
if (IS_ERR(priv->clk)) {
ret = PTR_ERR(priv->clk);
--
2.20.1
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