From 9addf6afeef0f2c9a1fef880e2dbe633d15a89bd Mon Sep 17 00:00:00 2001
From: Vipul Kumar Samar <vipulkumar.samar@st.com>
Date: Thu, 8 Nov 2012 20:39:54 +0530
Subject: [PATCH] pata_arasan: Initialize cf clock to 166MHz

PATA arasan driver expects the clock to be set to 166 MHz for proper
functioning.  This patch sets clk to 166 MHz in probe.

Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/pata_arasan_cf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index 26201ebef3ca6..71111f214eabb 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -317,6 +317,12 @@ static int cf_init(struct arasan_cf_dev *acdev)
 		return ret;
 	}
 
+	ret = clk_set_rate(acdev->clk, 166000000);
+	if (ret) {
+		dev_warn(acdev->host->dev, "clock set rate failed");
+		return ret;
+	}
+
 	spin_lock_irqsave(&acdev->host->lock, flags);
 	/* configure CF interface clock */
 	writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk :
-- 
2.39.5