[ARM] 4186/1: iop: remove cp6_enable/disable routines

This functionality is replaced by cp6_trap

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

4 files changed, 0 insertions, 72 deletions

diff --git a/include/asm-arm/arch-iop13xx/iop13xx.h b/include/asm-arm/arch-iop13xx/iop13xx.h
index a88522a0ff8e..e7430593d6fb 100644
--- a/include/asm-arm/arch-iop13xx/iop13xx.h
+++ b/include/asm-arm/arch-iop13xx/iop13xx.h
@@ -12,32 +12,6 @@ void iop13xx_init_irq(void);
 void iop13xx_init_time(unsigned long tickrate);
 unsigned long iop13xx_gettimeoffset(void);
 
-/* handle cp6 access
- * to do: handle access in entry-armv5.S and unify with
- * the iop3xx implementation
- * note: use iop13xx_cp6_enable_irq_save and iop13xx_cp6_irq_restore (irq.h)
- * when interrupts are enabled
- */
-static inline unsigned long iop13xx_cp6_save(void)
-{
-        u32 temp, cp_flags;
-
-        asm volatile (
-                "mrc    p15, 0, %1, c15, c1, 0\n\t"
-                "orr    %0, %1, #(1 << 6)\n\t"
-                "mcr    p15, 0, %0, c15, c1, 0\n\t"
-                : "=r" (temp), "=r"(cp_flags));
-
-        return cp_flags;
-}
-
-static inline void iop13xx_cp6_restore(unsigned long cp_flags)
-{
-        asm volatile (
-                "mcr    p15, 0, %0, c15, c1, 0\n\t"
-                : : "r" (cp_flags) );
-}
-
 /* CPUID CP6 R0 Page 0 */
 static inline int iop13xx_cpu_id(void)
 {
diff --git a/include/asm-arm/arch-iop13xx/irqs.h b/include/asm-arm/arch-iop13xx/irqs.h
index 442e35a40359..5c6fac2a4004 100644
--- a/include/asm-arm/arch-iop13xx/irqs.h
+++ b/include/asm-arm/arch-iop13xx/irqs.h
@@ -3,8 +3,6 @@
 
 #ifndef __ASSEMBLER__
 #include <linux/types.h>
-#include <asm/system.h> /* local_irq_save */
-#include <asm/arch/iop13xx.h> /* iop13xx_cp6_* */
 
 /* INTPND0 CP6 R0 Page 3
  */
@@ -41,21 +39,6 @@ static inline u32 read_intpnd_3(void)
         asm volatile("mrc p6, 0, %0, c3, c3, 0":"=r" (val));
         return val;
 }
-
-static inline void
-iop13xx_cp6_enable_irq_save(unsigned long *cp_flags, unsigned long *irq_flags)
-{
-        local_irq_save(*irq_flags);
-        *cp_flags = iop13xx_cp6_save();
-}
-
-static inline void
-iop13xx_cp6_irq_restore(unsigned long *cp_flags,
-        unsigned long *irq_flags)
-{
-        iop13xx_cp6_restore(*cp_flags);
-        local_irq_restore(*irq_flags);
-}
 #endif
 
 #define INTBASE 0
diff --git a/include/asm-arm/arch-iop13xx/system.h b/include/asm-arm/arch-iop13xx/system.h
index ee3a62530af2..127827058e1f 100644
--- a/include/asm-arm/arch-iop13xx/system.h
+++ b/include/asm-arm/arch-iop13xx/system.h
@@ -48,12 +48,10 @@ static inline void arch_reset(char mode)
         /*
          * Reset the internal bus (warning both cores are reset)
          */
-        u32 cp_flags = iop13xx_cp6_save();
         write_wdtcr(IOP13XX_WDTCR_EN_ARM);
         write_wdtcr(IOP13XX_WDTCR_EN);
         write_wdtsr(IOP13XX_WDTSR_WRITE_EN | IOP13XX_WDTCR_IB_RESET);
         write_wdtcr(0x1000);
-        iop13xx_cp6_restore(cp_flags);
 
         for(;;);
 }
diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h
index c91b546e20ef..47fcbf6f52d3 100644
--- a/include/asm-arm/hardware/iop3xx.h
+++ b/include/asm-arm/hardware/iop3xx.h
@@ -283,33 +283,6 @@ void iop_init_cp6_handler(void);
 extern struct platform_device iop3xx_i2c0_device;
 extern struct platform_device iop3xx_i2c1_device;
 
-extern inline void iop3xx_cp6_enable(void)
-{
-        u32 temp;
-
-        asm volatile (
-                "mrc    p15, 0, %0, c15, c1, 0\n\t"
-                "orr    %0, %0, #(1 << 6)\n\t"
-                "mcr    p15, 0, %0, c15, c1, 0\n\t"
-                "mrc    p15, 0, %0, c15, c1, 0\n\t"
-                "mov    %0, %0\n\t"
-                "sub    pc, pc, #4\n\t"
-                : "=r" (temp) );
-}
-
-extern inline void iop3xx_cp6_disable(void)
-{
-        u32 temp;
-
-        asm volatile (
-                "mrc    p15, 0, %0, c15, c1, 0\n\t"
-                "bic    %0, %0, #(1 << 6)\n\t"
-                "mcr    p15, 0, %0, c15, c1, 0\n\t"
-                "mrc    p15, 0, %0, c15, c1, 0\n\t"
-                "mov    %0, %0\n\t"
-                "sub    pc, pc, #4\n\t"
-                : "=r" (temp) );
-}
 #endif