Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits)
  [POWERPC] Fix compile breakage for 64-bit UP configs
  [POWERPC] Define copy_siginfo_from_user32
  [POWERPC] Add compat handler for PTRACE_GETSIGINFO
  [POWERPC] i2c: Fix build breakage introduced by OF helpers
  [POWERPC] Optimize fls64() on 64-bit processors
  [POWERPC] irqtrace support for 64-bit powerpc
  [POWERPC] Stacktrace support for lockdep
  [POWERPC] Move stackframe definitions to common header
  [POWERPC] Fix device-tree locking vs. interrupts
  [POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const
  [POWERPC] Remove unused __max_memory variable
  [POWERPC] Simplify xics direct/lpar irq_host setup
  [POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ()
  [POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade()
  [POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c
  [POWERPC] Use asm-generic/bitops/find.h in bitops.h
  [POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup
  [POWERPC] 85xx: Fix the size of qe muram for MPC8568E
  [POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier.
  [POWERPC] 86xx: mark functions static, other minor cleanups
  ...

1 files changed, 17 insertions, 0 deletions

diff --git a/include/asm-powerpc/dcr-native.h b/include/asm-powerpc/dcr-native.h
index be6c879e8760..f8398ce80372 100644
--- a/include/asm-powerpc/dcr-native.h
+++ b/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 */