diff options
| author | Pavan Kunapuli <pkunapuli@nvidia.com> | 2012-03-05 19:10:39 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-03-06 18:26:59 -0800 |
| commit | 41feccc1d2555db3b16553838e59f43d0674a541 (patch) | |
| tree | 55aabc168e310746cd9f1f73b9036280915f8528 /drivers/mmc | |
| parent | 8311718a6b9375730ee2f1c036005ab1923059cd (diff) | |
mmc: sdhci: Add get_cd callback in host ops
Add get_cd callback in the host ops to get the
card presence status incase SDHCI_QUIRK_BROKEN_
CARD_DETECTION is enabled.
Bug 948943
Change-Id: I788d9e907920a0aeb79784751ec0df25bc2a72d6
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Reviewed-on: http://git-master/r/87765
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 12 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 1 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 96651c6d3e33..c6822c39541c 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1229,11 +1229,15 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) host->mrq = mrq; /* If polling, assume that the card is always present. */ - if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) - present = true; - else + if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) { + if (host->ops->get_cd) + present = host->ops->get_cd(host); + else + present = true; + } else { present = sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT; + } if (!present || host->flags & SDHCI_DEVICE_DEAD) { host->mrq->cmd->error = -ENOMEDIUM; @@ -2627,7 +2631,7 @@ int sdhci_add_host(struct sdhci_host *host) mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED; if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) && - mmc_card_is_removable(mmc)) + mmc_card_is_removable(mmc) && !(host->ops->get_cd)) mmc->caps |= MMC_CAP_NEEDS_POLL; /* UHS-I mode(s) supported by the host controller. */ diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index bdf4b1055462..c00833de19da 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -270,6 +270,7 @@ struct sdhci_ops { void (*platform_send_init_74_clocks)(struct sdhci_host *host, u8 power_mode); unsigned int (*get_ro)(struct sdhci_host *host); + unsigned int (*get_cd)(struct sdhci_host *host); void (*platform_reset_enter)(struct sdhci_host *host, u8 mask); void (*platform_reset_exit)(struct sdhci_host *host, u8 mask); int (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs); |