Blackfin: Split PLL code from mach-specific cdef headers

Split the PLL control code from the Blackfin machine-specific cdef headers so
that the irqflags functions can be renamed without incurring a header loop.

Signed-off-by: David Howells <dhowells@redhat.com>

2 files changed, 63 insertions, 50 deletions

diff --git a/arch/blackfin/mach-bf538/include/mach/cdefBF538.h b/arch/blackfin/mach-bf538/include/mach/cdefBF538.h
index 66aa722cf6c8..085b06b8c0a5 100644
--- a/arch/blackfin/mach-bf538/include/mach/cdefBF538.h
+++ b/arch/blackfin/mach-bf538/include/mach/cdefBF538.h
@@ -2027,54 +2027,4 @@
 /* These need to be last due to the cdef/linux inter-dependencies */
 #include <asm/irq.h>
 
-/* Writing to PLL_CTL initiates a PLL relock sequence. */
-static __inline__ void bfin_write_PLL_CTL(unsigned int val)
-{
-        unsigned long flags, iwr0, iwr1;
-
-        if (val == bfin_read_PLL_CTL())
-                return;
-
-        local_irq_save_hw(flags);
-        /* Enable the PLL Wakeup bit in SIC IWR */
-        iwr0 = bfin_read32(SIC_IWR0);
-        iwr1 = bfin_read32(SIC_IWR1);
-        /* Only allow PPL Wakeup) */
-        bfin_write32(SIC_IWR0, IWR_ENABLE(0));
-        bfin_write32(SIC_IWR1, 0);
-
-        bfin_write16(PLL_CTL, val);
-        SSYNC();
-        asm("IDLE;");
-
-        bfin_write32(SIC_IWR0, iwr0);
-        bfin_write32(SIC_IWR1, iwr1);
-        local_irq_restore_hw(flags);
-}
-
-/* Writing to VR_CTL initiates a PLL relock sequence. */
-static __inline__ void bfin_write_VR_CTL(unsigned int val)
-{
-        unsigned long flags, iwr0, iwr1;
-
-        if (val == bfin_read_VR_CTL())
-                return;
-
-        local_irq_save_hw(flags);
-        /* Enable the PLL Wakeup bit in SIC IWR */
-        iwr0 = bfin_read32(SIC_IWR0);
-        iwr1 = bfin_read32(SIC_IWR1);
-        /* Only allow PPL Wakeup) */
-        bfin_write32(SIC_IWR0, IWR_ENABLE(0));
-        bfin_write32(SIC_IWR1, 0);
-
-        bfin_write16(VR_CTL, val);
-        SSYNC();
-        asm("IDLE;");
-
-        bfin_write32(SIC_IWR0, iwr0);
-        bfin_write32(SIC_IWR1, iwr1);
-        local_irq_restore_hw(flags);
-}
-
 #endif
diff --git a/arch/blackfin/mach-bf538/include/mach/pll.h b/arch/blackfin/mach-bf538/include/mach/pll.h
new file mode 100644
index 000000000000..0e67452df6be
--- /dev/null
+++ b/arch/blackfin/mach-bf538/include/mach/pll.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2008-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _MACH_PLL_H
+#define _MACH_PLL_H
+
+#include <asm/blackfin.h>
+#include <asm/irqflags.h>
+
+/* Writing to PLL_CTL initiates a PLL relock sequence. */
+static __inline__ void bfin_write_PLL_CTL(unsigned int val)
+{
+        unsigned long flags, iwr0, iwr1;
+
+        if (val == bfin_read_PLL_CTL())
+                return;
+
+        local_irq_save_hw(flags);
+        /* Enable the PLL Wakeup bit in SIC IWR */
+        iwr0 = bfin_read32(SIC_IWR0);
+        iwr1 = bfin_read32(SIC_IWR1);
+        /* Only allow PPL Wakeup) */
+        bfin_write32(SIC_IWR0, IWR_ENABLE(0));
+        bfin_write32(SIC_IWR1, 0);
+
+        bfin_write16(PLL_CTL, val);
+        SSYNC();
+        asm("IDLE;");
+
+        bfin_write32(SIC_IWR0, iwr0);
+        bfin_write32(SIC_IWR1, iwr1);
+        local_irq_restore_hw(flags);
+}
+
+/* Writing to VR_CTL initiates a PLL relock sequence. */
+static __inline__ void bfin_write_VR_CTL(unsigned int val)
+{
+        unsigned long flags, iwr0, iwr1;
+
+        if (val == bfin_read_VR_CTL())
+                return;
+
+        local_irq_save_hw(flags);
+        /* Enable the PLL Wakeup bit in SIC IWR */
+        iwr0 = bfin_read32(SIC_IWR0);
+        iwr1 = bfin_read32(SIC_IWR1);
+        /* Only allow PPL Wakeup) */
+        bfin_write32(SIC_IWR0, IWR_ENABLE(0));
+        bfin_write32(SIC_IWR1, 0);
+
+        bfin_write16(VR_CTL, val);
+        SSYNC();
+        asm("IDLE;");
+
+        bfin_write32(SIC_IWR0, iwr0);
+        bfin_write32(SIC_IWR1, iwr1);
+        local_irq_restore_hw(flags);
+}
+
+#endif /* _MACH_PLL_H */