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[v2,4/8] mmc: sdhci-msm: Add get_min_clock() and get_max_clock() callback

Message ID 1471347668-22978-5-git-send-email-riteshh@codeaurora.org (mailing list archive)
State New, archived
Headers show

Commit Message

Ritesh Harjani Aug. 16, 2016, 11:41 a.m. UTC 
This add get_min_clock() and get_max_clock() callback
for sdhci-msm. sdhci-msm min/max clocks may be different
hence implement these callbacks.

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
---
 drivers/mmc/host/sdhci-msm.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
diff mbox

Patch

diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 2c745c2..5913ce1 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -553,6 +553,23 @@  static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
+static unsigned int sdhci_msm_get_max_clock(struct sdhci_host *host)
+{
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+	int count = msm_host->pdata->clk_table_sz;
+
+	return msm_host->pdata->clk_table[count - 1];
+}
+
+static unsigned int sdhci_msm_get_min_clock(struct sdhci_host *host)
+{
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+
+	return msm_host->pdata->clk_table[0];
+}
+
 static const struct of_device_id sdhci_msm_dt_match[] = {
 	{ .compatible = "qcom,sdhci-msm-v4" },
 	{},
@@ -564,6 +581,8 @@  static const struct sdhci_ops sdhci_msm_ops = {
 	.platform_execute_tuning = sdhci_msm_execute_tuning,
 	.reset = sdhci_reset,
 	.set_clock = sdhci_set_clock,
+	.get_min_clock = sdhci_msm_get_min_clock,
+	.get_max_clock = sdhci_msm_get_max_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.set_uhs_signaling = sdhci_msm_set_uhs_signaling,
 	.voltage_switch = sdhci_msm_voltage_switch,