diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-02-06 14:12:59 +0200 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 10:59:27 -0600 |
| commit | 492010a1e6d80238461c658d72372b4cb7496bb9 (patch) | |
| tree | 67bce5dea9063746fa11f61af3c29aa5861a5619 /drivers/mmc/host/sdhci.c | |
| parent | dde0e2db0d49f55f97d78f7952da023c37d79766 (diff) | |
mmc: sdhci: Add a callback to select drive strength
Add a callbak to let host drivers select drive
strength.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
(cherry picked from commit cb8496482e8886bbd6bd79462d8062db572b0473)
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9bb061d27c56..dcb83381c8ba 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2053,6 +2053,18 @@ out_unlock: return err; } +static int sdhci_select_drive_strength(struct mmc_card *card, + unsigned int max_dtr, int host_drv, + int card_drv, int *drv_type) +{ + struct sdhci_host *host = mmc_priv(card->host); + + if (!host->ops->select_drive_strength) + return 0; + + return host->ops->select_drive_strength(host, card, max_dtr, host_drv, + card_drv, drv_type); +} static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable) { @@ -2178,6 +2190,7 @@ static const struct mmc_host_ops sdhci_ops = { .start_signal_voltage_switch = sdhci_start_signal_voltage_switch, .prepare_hs400_tuning = sdhci_prepare_hs400_tuning, .execute_tuning = sdhci_execute_tuning, + .select_drive_strength = sdhci_select_drive_strength, .card_event = sdhci_card_event, .card_busy = sdhci_card_busy, }; |