If controller use SDHCI_QUIRK_BROKEN_CARD_DETECTION quirk, controller need always polling detect In this case, always generated interrupt.Because controller checked card status. I think that is not efficiently. But if card is nonremovable, we need not always polling. So i added the check-point which is nonremovable or not Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx> --- drivers/mmc/host/sdhci.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 401527d..4bc5d3c 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1826,8 +1826,9 @@ int sdhci_add_host(struct sdhci_host *host) if (caps & SDHCI_CAN_DO_HISPD) mmc->caps |= MMC_CAP_SD_HIGHSPEED; - if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) - mmc->caps |= MMC_CAP_NEEDS_POLL; + if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) && + !(host->mmc->caps & MMC_CAP_NONREMOVABLE)) + mmc->caps |= MMC_CAP_NEEDS_POLL; mmc->ocr_avail = 0; if (caps & SDHCI_CAN_VDD_330) -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
