Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits)
  MIPS: BCM63xx: Add integrated ethernet mac support.
  MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.
  MIPS: BCM63xx: Add Broadcom 63xx CPU definitions.
  MIPS: Octeon:  Move some platform device registration to its own file.
  MIPS: Don't corrupt page tables on vmalloc fault.
  MIPS: Shrink the size of tlb handler
  MIPS: Alchemy: override loops_per_jiffy detection
  MIPS: hw_random: Add hardware RNG for Octeon SOCs.
  MIPS: Octeon:  Add hardware RNG platform device.
  MIPS: Remove useless zero initializations.
  MIPS: Alchemy: get rid of allow_au1k_wait
  MIPS: Octeon: Set kernel_uses_llsc to false on non-SMP builds.
  MIPS: Allow kernel use of LL/SC to be separate from the presence of LL/SC.
  MIPS: Get rid of CONFIG_CPU_HAS_LLSC
  MIPS: Malta: Remove pointless use use of CONFIG_CPU_HAS_LLSC
  MIPS: Rewrite clearing of ll_bit on context switch in C
  MIPS: Rewrite sysmips(MIPS_ATOMIC_SET, ...) in C with inline assembler
  MIPS: Consolidate all CONFIG_CPU_HAS_LLSC use in a single C file.
  MIPS: Clean up linker script using new linker script macros.
  MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE.
  ...

1 files changed, 9 insertions, 6 deletions

diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c
index 33fbae79af5..f34ff860194 100644
--- a/arch/mips/alchemy/common/time.c
+++ b/arch/mips/alchemy/common/time.c
@@ -36,14 +36,13 @@
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
 
+#include <asm/processor.h>
 #include <asm/time.h>
 #include <asm/mach-au1x00/au1000.h>
 
 /* 32kHz clock enabled and detected */
 #define CNTR_OK (SYS_CNTRL_E0 | SYS_CNTRL_32S)
 
-extern int allow_au1k_wait; /* default off for CP0 Counter */
-
 static cycle_t au1x_counter1_read(struct clocksource *cs)
 {
 	return au_readl(SYS_RTCREAD);
@@ -153,13 +152,17 @@ void __init plat_time_init(void)
 
 	printk(KERN_INFO "Alchemy clocksource installed\n");
 
-	/* can now use 'wait' */
-	allow_au1k_wait = 1;
 	return;
 
 cntr_err:
-	/* counters unusable, use C0 counter */
+	/*
+	 * MIPS kernel assigns 'au1k_wait' to 'cpu_wait' before this
+	 * function is called.  Because the Alchemy counters are unusable
+	 * the C0 timekeeping code is installed and use of the 'wait'
+	 * instruction must be prohibited, which is done most easily by
+	 * assigning NULL to cpu_wait.
+	 */
+	cpu_wait = NULL;
 	r4k_clockevent_init();
 	init_r4k_clocksource();
-	allow_au1k_wait = 0;
 }