hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Jaehoon Chung 2016-11-24 20:04:41 +09:00 committed by Ulf Hansson
parent 1c238a95a7
commit d10111cf85
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/mmc/host/dw_mmc.c
View File

@ -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))