7 files changed, 127 insertions, 7 deletions

diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 32526a0a6f86..382644401a4d 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -3,7 +3,7 @@
 #
 
 # Common support (must be linked before board specific support)
-obj-y += generic.o irq.o dma.o time.o
+obj-y += clock.o generic.o irq.o dma.o time.o
 obj-$(CONFIG_PXA25x) += pxa25x.o
 obj-$(CONFIG_PXA27x) += pxa27x.o
 
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
new file mode 100644
index 000000000000..8f7c90a0593b
--- /dev/null
+++ b/arch/arm/mach-pxa/clock.c
@@ -0,0 +1,124 @@
+/*
+ *  linux/arch/arm/mach-sa1100/clock.c
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/hardware.h>
+#include <asm/semaphore.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);
+};
+
+static LIST_HEAD(clocks);
+static DECLARE_MUTEX(clocks_sem);
+static DEFINE_SPINLOCK(clocks_lock);
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+        struct clk *p, *clk = ERR_PTR(-ENOENT);
+
+        down(&clocks_sem);
+        list_for_each_entry(p, &clocks, node) {
+                if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+                        clk = p;
+                        break;
+                }
+        }
+        up(&clocks_sem);
+
+        return clk;
+}
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+        module_put(clk->owner);
+}
+EXPORT_SYMBOL(clk_put);
+
+int clk_enable(struct clk *clk)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&clocks_lock, flags);
+        if (clk->enabled++ == 0)
+                clk->enable();
+        spin_unlock_irqrestore(&clocks_lock, flags);
+        return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+        unsigned long flags;
+
+        WARN_ON(clk->enabled == 0);
+
+        spin_lock_irqsave(&clocks_lock, flags);
+        if (--clk->enabled == 0)
+                clk->disable();
+        spin_unlock_irqrestore(&clocks_lock, flags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+        return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+
+static void clk_gpio27_enable(void)
+{
+        pxa_gpio_mode(GPIO11_3_6MHz_MD);
+}
+
+static void clk_gpio27_disable(void)
+{
+}
+
+static struct clk clk_gpio27 = {
+        .name           = "GPIO27_CLK",
+        .rate           = 3686400,
+        .enable         = clk_gpio27_enable,
+        .disable        = clk_gpio27_disable,
+};
+
+int clk_register(struct clk *clk)
+{
+        down(&clocks_sem);
+        list_add(&clk->node, &clocks);
+        up(&clocks_sem);
+        return 0;
+}
+EXPORT_SYMBOL(clk_register);
+
+void clk_unregister(struct clk *clk)
+{
+        down(&clocks_sem);
+        list_del(&clk->node);
+        up(&clocks_sem);
+}
+EXPORT_SYMBOL(clk_unregister);
+
+static int __init clk_init(void)
+{
+        clk_register(&clk_gpio27);
+        return 0;
+}
+arch_initcall(clk_init);
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 7ffd2de8f2f3..68923b1d2b62 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -32,7 +32,6 @@
 #include <asm/mach/irq.h>
 
 #include <asm/arch/pxa-regs.h>
-#include <asm/arch/irq.h>
 #include <asm/arch/irda.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index d5bda60209ec..98356f810007 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -157,14 +157,14 @@ static struct platform_device smc91x_device = {
         .resource       = smc91x_resources,
 };
 
-static int mst_audio_startup(snd_pcm_substream_t *substream, void *priv)
+static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 {
         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
         return 0;
 }
 
-static void mst_audio_shutdown(snd_pcm_substream_t *substream, void *priv)
+static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 {
         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 911e6ff5a9bd..b45560a8f6c4 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -29,7 +29,6 @@
 #include <asm/mach/irq.h>
 
 #include <asm/arch/pxa-regs.h>
-#include <asm/arch/irq.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
 #include <asm/arch/irda.h>
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index c094d99ebf56..30ec317bbb97 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -33,7 +33,6 @@
 #include <asm/mach/irq.h>
 
 #include <asm/arch/pxa-regs.h>
-#include <asm/arch/irq.h>
 #include <asm/arch/irda.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/ohci.h>
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index d168286ed470..66ec71756d0f 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -34,7 +34,6 @@
 #include <asm/mach/irq.h>
 
 #include <asm/arch/pxa-regs.h>
-#include <asm/arch/irq.h>
 #include <asm/arch/tosa.h>
 
 #include <asm/hardware/scoop.h>