mmc: dw_mmc: add the debug message for polling and non-removable
If card is polling or non-removable, display the more exact message.
It's helpful to debug which detecting scheme is using.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index c0e96ad..45b1a3d 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1525,9 +1525,23 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
int gpio_cd = mmc_gpio_get_cd(mmc);
/* Use platform get_cd function, else try onboard card detect */
- if ((mmc->caps & MMC_CAP_NEEDS_POLL) || !mmc_card_is_removable(mmc))
+ if (((mmc->caps & MMC_CAP_NEEDS_POLL)
+ || !mmc_card_is_removable(mmc))) {
present = 1;
- else if (gpio_cd >= 0)
+
+ if (!test_bit(DW_MMC_CARD_PRESENT, &slot->flags)) {
+ if (mmc->caps & MMC_CAP_NEEDS_POLL) {
+ dev_info(&mmc->class_dev,
+ "card is polling.\n");
+ } else {
+ dev_info(&mmc->class_dev,
+ "card is non-removable.\n");
+ }
+ set_bit(DW_MMC_CARD_PRESENT, &slot->flags);
+ }
+
+ return present;
+ } else if (gpio_cd >= 0)
present = gpio_cd;
else
present = (mci_readl(slot->host, CDETECT) & (1 << slot->id))