host: sdhci-msm: implement get_current_limit() host op
This is needed to get the current capabilities of vdd
regulator that is not managed by SDHCI driver.
Change-Id: Ib41f9892caca7f9d39675c6adf3b5eb8fdf88159
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>
[xiaonian@codeaurora.org: fixed trivial merge conflicts]
Signed-off-by: Xiaonian Wang <xiaonian@codeaurora.org>
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 4f79888..130bc4d 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -3614,6 +3614,19 @@
msm_host->pdata->pm_qos_data.latency);
}
+static unsigned int sdhci_msm_get_current_limit(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_msm_host *msm_host = pltfm_host->priv;
+ struct sdhci_msm_slot_reg_data *curr_slot = msm_host->pdata->vreg_data;
+ u32 max_curr = 0;
+
+ if (curr_slot && curr_slot->vdd_data)
+ max_curr = curr_slot->vdd_data->hpm_uA;
+
+ return max_curr;
+}
+
static struct sdhci_ops sdhci_msm_ops = {
.set_uhs_signaling = sdhci_msm_set_uhs_signaling,
.check_power_status = sdhci_msm_check_power_status,
@@ -3635,6 +3648,7 @@
.init = sdhci_msm_init,
.pre_req = sdhci_msm_pre_req,
.post_req = sdhci_msm_post_req,
+ .get_current_limit = sdhci_msm_get_current_limit,
};
static void sdhci_set_default_hw_caps(struct sdhci_msm_host *msm_host,