X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fkernel%2Fpmc.c;h=ea04e0ab3f2f192cf4355d27a31f46180aced233;hb=cf3842ec5015c862f4869e3641a8549393bb958e;hp=e6fb194fe537dfb941261641f8d33b1eb92e5c4f;hpb=536ea4e4198eeaa5a73fb734ea675e621609bb7e;p=linux-2.6-omap-h63xx.git

diff --git a/arch/powerpc/kernel/pmc.c b/arch/powerpc/kernel/pmc.c
index e6fb194fe53..ea04e0ab3f2 100644
--- a/arch/powerpc/kernel/pmc.c
+++ b/arch/powerpc/kernel/pmc.c
@@ -12,46 +12,30 @@
  *  2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/spinlock.h>
 #include <linux/module.h>
 
 #include <asm/processor.h>
+#include <asm/cputable.h>
 #include <asm/pmc.h>
 
-#if defined(CONFIG_FSL_BOOKE) && !defined(CONFIG_E200)
-static void dummy_perf(struct pt_regs *regs)
-{
-	unsigned int pmgc0 = mfpmr(PMRN_PMGC0);
-
-	pmgc0 &= ~PMGC0_PMIE;
-	mtpmr(PMRN_PMGC0, pmgc0);
-}
-#elif defined(CONFIG_PPC64) || defined(CONFIG_6xx)
-
 #ifndef MMCR0_PMAO
 #define MMCR0_PMAO	0
 #endif
 
-/* Ensure exceptions are disabled */
 static void dummy_perf(struct pt_regs *regs)
 {
-	unsigned int mmcr0 = mfspr(SPRN_MMCR0);
-
-	mmcr0 &= ~(MMCR0_PMXE|MMCR0_PMAO);
-	mtspr(SPRN_MMCR0, mmcr0);
-}
+#if defined(CONFIG_FSL_BOOKE) && !defined(CONFIG_E200)
+	mtpmr(PMRN_PMGC0, mfpmr(PMRN_PMGC0) & ~PMGC0_PMIE);
+#elif defined(CONFIG_PPC64) || defined(CONFIG_6xx)
+	if (cur_cpu_spec->pmc_type == PPC_PMC_IBM)
+		mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~(MMCR0_PMXE|MMCR0_PMAO));
 #else
-/* Ensure exceptions are disabled */
-static void dummy_perf(struct pt_regs *regs)
-{
-	unsigned int mmcr0 = mfspr(SPRN_MMCR0);
-
-	mmcr0 &= ~(MMCR0_PMXE);
-	mtspr(SPRN_MMCR0, mmcr0);
-}
+	mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_PMXE);
 #endif
+}
+
 
 static DEFINE_SPINLOCK(pmc_owner_lock);
 static void *pmc_owner_caller; /* mostly for debugging */
@@ -72,7 +56,7 @@ int reserve_pmc_hardware(perf_irq_t new_perf_irq)
 	}
 
 	pmc_owner_caller = __builtin_return_address(0);
-	perf_irq = new_perf_irq ? : dummy_perf;
+	perf_irq = new_perf_irq ? new_perf_irq : dummy_perf;
 
  out:
 	spin_unlock(&pmc_owner_lock);