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| author | Jaehoon Chung <jh80.chung@samsung.com> | 2016-11-24 20:04:41 +0900 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-12-05 10:31:16 +0100 |
| commit | d10111cf8586e16dbdbe8ed60de7065b54a70df1 (patch) | |
| tree | 60e13092eba7612ea57b43966593f629242db9f8 /drivers/mmc/host/dw_mmc.c | |
| parent | 1c238a95a727e8cd3fe1c97a653c4101b8dd39d2 (diff) | |
| download | linux-d10111cf8586e16dbdbe8ed60de7065b54a70df1.tar.gz linux-d10111cf8586e16dbdbe8ed60de7065b54a70df1.tar.bz2 linux-d10111cf8586e16dbdbe8ed60de7065b54a70df1.zip | |
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>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index c0e96ade4cc9..45b1a3de0b68 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)) |