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MLK-10629-4 mmc: sdhci: remove MMC_CAP_NEEDS_POLL

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This will cause meaningless CPU overhead by polling the card at backgroud
if the CD is broken.
Most board does not intend to use this function, so remove it.
Platform driver could add it for test if needed.

Signed-off-by: Dong Aisheng <b29396@freescale.com>

Conflicts:
	drivers/mmc/host/sdhci.c
This commit is contained in:
Dong Aisheng 2015-04-09 16:23:24 +08:00 committed by Jason Liu
parent c4cbb5e16f
commit 4e7cd2cba0
1 changed files with 1 additions and 5 deletions
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6
drivers/mmc/host/sdhci.c
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@ -3629,11 +3629,7 @@ int sdhci_setup_host(struct sdhci_host *host)
if (host->caps & SDHCI_CAN_DO_HISPD)
mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) &&
mmc_card_is_removable(mmc) &&
mmc_gpio_get_cd(host->mmc) < 0)
mmc->caps |= MMC_CAP_NEEDS_POLL;
/* If vqmmc regulator and no 1.8V signalling, then there's no UHS */
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = regulator_enable(mmc->supply.vqmmc);