Merge branch 'for-3.4/core' of git://git.kernel.dk/linux-block

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-orion5x / common.h

diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index d2513ac79ff5c1b9c317e54b490bcc2744889530..2e6454c8d4baab451c251cfd69a8a40d225e7d56 100644 (file)
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -57,5 +57,14 @@ struct meminfo;
 struct tag;
 extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *);
 
+/*****************************************************************************
+ * Helpers to access Orion registers
+ ****************************************************************************/
+/*
+ * These are not preempt-safe.  Locks, if needed, must be taken
+ * care of by the caller.
+ */
+#define orion5x_setbits(r, mask)       writel(readl(r) | (mask), (r))
+#define orion5x_clrbits(r, mask)       writel(readl(r) & ~(mask), (r))
 
 #endif