Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits)
  [ARM] 4578/1: CM-x270: PCMCIA support
  [ARM] 4577/1: ITE 8152 PCI bridge support
  [ARM] 4576/1: CM-X270 machine support
  [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put()
  [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c
  [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c
  [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols
  [ARM] pxa: PXA3xx base support
  [NET] smc91x: fix PXA DMA support code
  [SERIAL] Fix console initialisation ordering
  [ARM] pxa: tidy up arch/arm/mach-pxa/Makefile
  [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes
  [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
  [ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23)
  [ARM] Rename consistent_sync() as dma_cache_maint()
  [ARM] 4572/1: ep93xx: add cirrus logic edb9307 support
  [ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support
  [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32
  [ARM] 4594/1: ns9xxx: use the new gpio functions
  [ARM] 4593/1: ns9xxx: implement generic clockevents
  ...

1 files changed, 50 insertions, 29 deletions

diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index 34a31ca..83ef5ec 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -9,19 +9,15 @@
 #include <linux/string.h>
 #include <linux/clk.h>
 #include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/hardware.h>
 
-struct clk {
-	struct list_head	node;
-	unsigned long		rate;
-	struct module		*owner;
-	const char		*name;
-	unsigned int		enabled;
-	void			(*enable)(void);
-	void			(*disable)(void);
-};
+#include "devices.h"
+#include "generic.h"
+#include "clock.h"
 
 static LIST_HEAD(clocks);
 static DEFINE_MUTEX(clocks_mutex);
@@ -33,7 +29,8 @@ struct clk *clk_get(struct device *dev, const char *id)
 
 	mutex_lock(&clocks_mutex);
 	list_for_each_entry(p, &clocks, node) {
-		if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+		if (strcmp(id, p->name) == 0 &&
+		    (p->dev == NULL || p->dev == dev)) {
 			clk = p;
 			break;
 		}
@@ -46,7 +43,6 @@ EXPORT_SYMBOL(clk_get);
 
 void clk_put(struct clk *clk)
 {
-	module_put(clk->owner);
 }
 EXPORT_SYMBOL(clk_put);
 
@@ -56,8 +52,12 @@ int clk_enable(struct clk *clk)
 
 	spin_lock_irqsave(&clocks_lock, flags);
 	if (clk->enabled++ == 0)
-		clk->enable();
+		clk->ops->enable(clk);
 	spin_unlock_irqrestore(&clocks_lock, flags);
+
+	if (clk->delay)
+		udelay(clk->delay);
+
 	return 0;
 }
 EXPORT_SYMBOL(clk_enable);
@@ -70,54 +70,75 @@ void clk_disable(struct clk *clk)
 
 	spin_lock_irqsave(&clocks_lock, flags);
 	if (--clk->enabled == 0)
-		clk->disable();
+		clk->ops->disable(clk);
 	spin_unlock_irqrestore(&clocks_lock, flags);
 }
 EXPORT_SYMBOL(clk_disable);
 
 unsigned long clk_get_rate(struct clk *clk)
 {
-	return clk->rate;
+	unsigned long rate;
+
+	rate = clk->rate;
+	if (clk->ops->getrate)
+		rate = clk->ops->getrate(clk);
+
+	return rate;
 }
 EXPORT_SYMBOL(clk_get_rate);
 
 
-static void clk_gpio27_enable(void)
+static void clk_gpio27_enable(struct clk *clk)
 {
 	pxa_gpio_mode(GPIO11_3_6MHz_MD);
 }
 
-static void clk_gpio27_disable(void)
+static void clk_gpio27_disable(struct clk *clk)
 {
 }
 
-static struct clk clk_gpio27 = {
-	.name		= "GPIO27_CLK",
-	.rate		= 3686400,
+static const struct clkops clk_gpio27_ops = {
 	.enable		= clk_gpio27_enable,
 	.disable	= clk_gpio27_disable,
 };
 
-int clk_register(struct clk *clk)
+
+void clk_cken_enable(struct clk *clk)
 {
-	mutex_lock(&clocks_mutex);
-	list_add(&clk->node, &clocks);
-	mutex_unlock(&clocks_mutex);
-	return 0;
+	CKEN |= 1 << clk->cken;
 }
-EXPORT_SYMBOL(clk_register);
 
-void clk_unregister(struct clk *clk)
+void clk_cken_disable(struct clk *clk)
 {
+	CKEN &= ~(1 << clk->cken);
+}
+
+const struct clkops clk_cken_ops = {
+	.enable		= clk_cken_enable,
+	.disable	= clk_cken_disable,
+};
+
+static struct clk common_clks[] = {
+	{
+		.name		= "GPIO27_CLK",
+		.ops		= &clk_gpio27_ops,
+		.rate		= 3686400,
+	},
+};
+
+void clks_register(struct clk *clks, size_t num)
+{
+	int i;
+
 	mutex_lock(&clocks_mutex);
-	list_del(&clk->node);
+	for (i = 0; i < num; i++)
+		list_add(&clks[i].node, &clocks);
 	mutex_unlock(&clocks_mutex);
 }
-EXPORT_SYMBOL(clk_unregister);
 
 static int __init clk_init(void)
 {
-	clk_register(&clk_gpio27);
+	clks_register(common_clks, ARRAY_SIZE(common_clks));
 	return 0;
 }
 arch_initcall(clk_init);