From 2a125dd56b3a853701063fe8a678ad7603e385fd Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Mon, 22 Nov 2010 22:48:49 +0800
Subject: ARM: pxa: remove get_memclk_frequency_10khz()

Introduce 'struct clk' for memory and remove
get_memclk_frequency_10khz().

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
---
 drivers/pcmcia/pxa2xx_base.c | 17 ++++++++++++++---
 drivers/pcmcia/soc_common.h  |  3 +++
 2 files changed, 17 insertions(+), 3 deletions(-)

(limited to 'drivers/pcmcia')

diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c
index 55a7d0b..3c01774 100644
--- a/drivers/pcmcia/pxa2xx_base.c
+++ b/drivers/pcmcia/pxa2xx_base.c
@@ -179,8 +179,8 @@ static int pxa2xx_pcmcia_set_mcxx(struct soc_pcmcia_socket *skt, unsigned int cl
 
 static int pxa2xx_pcmcia_set_timing(struct soc_pcmcia_socket *skt)
 {
-	unsigned int clk = get_memclk_frequency_10khz();
-	return pxa2xx_pcmcia_set_mcxx(skt, clk);
+	unsigned long clk = clk_get_rate(skt->clk);
+	return pxa2xx_pcmcia_set_mcxx(skt, clk / 10000);
 }
 
 #ifdef CONFIG_CPU_FREQ
@@ -282,24 +282,33 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
 	struct pcmcia_low_level *ops;
 	struct skt_dev_info *sinfo;
 	struct soc_pcmcia_socket *skt;
+	struct clk *clk;
 
 	ops = (struct pcmcia_low_level *)dev->dev.platform_data;
 	if (!ops)
 		return -ENODEV;
 
+	clk = clk_get(&dev->dev, NULL);
+	if (!clk)
+		return -ENODEV;
+
 	pxa2xx_drv_pcmcia_ops(ops);
 
 	sinfo = kzalloc(SKT_DEV_INFO_SIZE(ops->nr), GFP_KERNEL);
-	if (!sinfo)
+	if (!sinfo) {
+		clk_put(clk);
 		return -ENOMEM;
+	}
 
 	sinfo->nskt = ops->nr;
+	sinfo->clk = clk;
 
 	/* Initialize processor specific parameters */
 	for (i = 0; i < ops->nr; i++) {
 		skt = &sinfo->skt[i];
 
 		skt->nr = ops->first + i;
+		skt->clk = clk;
 		skt->ops = ops;
 		skt->socket.owner = ops->owner;
 		skt->socket.dev.parent = &dev->dev;
@@ -314,6 +323,7 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
 		while (--i >= 0)
 			soc_pcmcia_remove_one(&sinfo->skt[i]);
 		kfree(sinfo);
+		clk_put(clk);
 	} else {
 		pxa2xx_configure_sockets(&dev->dev);
 		dev_set_drvdata(&dev->dev, sinfo);
@@ -332,6 +342,7 @@ static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev)
 	for (i = 0; i < sinfo->nskt; i++)
 		soc_pcmcia_remove_one(&sinfo->skt[i]);
 
+	clk_put(sinfo->clk);
 	kfree(sinfo);
 	return 0;
 }
diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h
index bbcd538..9daa736 100644
--- a/drivers/pcmcia/soc_common.h
+++ b/drivers/pcmcia/soc_common.h
@@ -10,6 +10,7 @@
 #define _ASM_ARCH_PCMCIA
 
 /* include the world */
+#include <linux/clk.h>
 #include <linux/cpufreq.h>
 #include <pcmcia/ss.h>
 #include <pcmcia/cistpl.h>
@@ -29,6 +30,7 @@ struct soc_pcmcia_socket {
 	 * Info from low level handler
 	 */
 	unsigned int		nr;
+	struct clk		*clk;
 
 	/*
 	 * Core PCMCIA state
@@ -56,6 +58,7 @@ struct soc_pcmcia_socket {
 
 struct skt_dev_info {
 	int nskt;
+	struct clk *clk;
 	struct soc_pcmcia_socket skt[0];
 };
 
-- 
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