---

yaml --- r: 91466 b: refs/heads/master c: 266d028 h: refs/heads/master v: v3
git-mirror · Mar 26, 2008 · 9763242 · 9763242
1 parent d79ebd9
commit 9763242
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Showing 2 changed files with 18 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d0a48c9f4c4582a966ce6426c1bf8ef1e37e63ee
+refs/heads/master: 266d028acb615e1766c3fb9530c9e86de8476a33
diff --git a/trunk/include/asm-powerpc/dcr-native.h b/trunk/include/asm-powerpc/dcr-native.h
@@ -82,6 +82,19 @@ static inline void __mtdcri(int base_addr, int base_data, int reg,
 	spin_unlock_irqrestore(&dcr_ind_lock, flags);
 }
 
+static inline void __dcri_clrset(int base_addr, int base_data, int reg,
+				 unsigned clr, unsigned set)
+{
+	unsigned long flags;
+	unsigned int val;
+
+	spin_lock_irqsave(&dcr_ind_lock, flags);
+	__mtdcr(base_addr, reg);
+	val = (__mfdcr(base_data) & ~clr) | set;
+	__mtdcr(base_data, val);
+	spin_unlock_irqrestore(&dcr_ind_lock, flags);
+}
+
 #define mfdcri(base, reg)	__mfdcri(DCRN_ ## base ## _CONFIG_ADDR,	\
 					 DCRN_ ## base ## _CONFIG_DATA,	\
 					 reg)
@@ -90,6 +103,10 @@ static inline void __mtdcri(int base_addr, int base_data, int reg,
 					 DCRN_ ## base ## _CONFIG_DATA,	\
 					 reg, data)
 
+#define dcri_clrset(base, reg, clr, set)	__dcri_clrset(DCRN_ ## base ## _CONFIG_ADDR,	\
+							      DCRN_ ## base ## _CONFIG_DATA,	\
+							      reg, clr, set)
+
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_DCR_NATIVE_H */