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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
| commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
| tree | f91479a62805619168994fd3ee55e3ffa23fc24e /drivers/mmc/host/sdhci.c | |
| parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
| parent | f722406faae2d073cc1d01063d1123c35425939e (diff) | |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 51bbba486f38..2ea429c27714 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1581,6 +1581,37 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) sdhci_runtime_pm_put(host); } +static int sdhci_do_get_cd(struct sdhci_host *host) +{ + int gpio_cd = mmc_gpio_get_cd(host->mmc); + + if (host->flags & SDHCI_DEVICE_DEAD) + return 0; + + /* If polling/nonremovable, assume that the card is always present. */ + if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) || + (host->mmc->caps & MMC_CAP_NONREMOVABLE)) + return 1; + + /* Try slot gpio detect */ + if (!IS_ERR_VALUE(gpio_cd)) + return !!gpio_cd; + + /* Host native card detect */ + return !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); +} + +static int sdhci_get_cd(struct mmc_host *mmc) +{ + struct sdhci_host *host = mmc_priv(mmc); + int ret; + + sdhci_runtime_pm_get(host); + ret = sdhci_do_get_cd(host); + sdhci_runtime_pm_put(host); + return ret; +} + static int sdhci_check_ro(struct sdhci_host *host) { unsigned long flags; @@ -2038,6 +2069,7 @@ static void sdhci_card_event(struct mmc_host *mmc) static const struct mmc_host_ops sdhci_ops = { .request = sdhci_request, .set_ios = sdhci_set_ios, + .get_cd = sdhci_get_cd, .get_ro = sdhci_get_ro, .hw_reset = sdhci_hw_reset, .enable_sdio_irq = sdhci_enable_sdio_irq, @@ -2907,12 +2939,17 @@ int sdhci_add_host(struct sdhci_host *host) host->vqmmc = NULL; } } else { - regulator_enable(host->vqmmc); + ret = regulator_enable(host->vqmmc); if (!regulator_is_supported_voltage(host->vqmmc, 1700000, 1950000)) caps[1] &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50); + if (ret) { + pr_warn("%s: Failed to enable vqmmc regulator: %d\n", + mmc_hostname(mmc), ret); + host->vqmmc = NULL; + } } if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V) |