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-rw-r--r--include/asm-powerpc/dcr-native.h47
1 files changed, 29 insertions, 18 deletions
diff --git a/include/asm-powerpc/dcr-native.h b/include/asm-powerpc/dcr-native.h
index af5fb31af559..be6c879e8760 100644
--- a/include/asm-powerpc/dcr-native.h
+++ b/include/asm-powerpc/dcr-native.h
@@ -59,25 +59,36 @@ do { \
59/* R/W of indirect DCRs make use of standard naming conventions for DCRs */ 59/* R/W of indirect DCRs make use of standard naming conventions for DCRs */
60extern spinlock_t dcr_ind_lock; 60extern spinlock_t dcr_ind_lock;
61 61
62#define mfdcri(base, reg) \ 62static inline unsigned __mfdcri(int base_addr, int base_data, int reg)
63({ \ 63{
64 unsigned long flags; \ 64 unsigned long flags;
65 unsigned int val; \ 65 unsigned int val;
66 spin_lock_irqsave(&dcr_ind_lock, flags); \
67 mtdcr(DCRN_ ## base ## _CONFIG_ADDR, reg); \
68 val = mfdcr(DCRN_ ## base ## _CONFIG_DATA); \
69 spin_unlock_irqrestore(&dcr_ind_lock, flags); \
70 val; \
71})
72 66
73#define mtdcri(base, reg, data) \ 67 spin_lock_irqsave(&dcr_ind_lock, flags);
74do { \ 68 __mtdcr(base_addr, reg);
75 unsigned long flags; \ 69 val = __mfdcr(base_data);
76 spin_lock_irqsave(&dcr_ind_lock, flags); \ 70 spin_unlock_irqrestore(&dcr_ind_lock, flags);
77 mtdcr(DCRN_ ## base ## _CONFIG_ADDR, reg); \ 71 return val;
78 mtdcr(DCRN_ ## base ## _CONFIG_DATA, data); \ 72}
79 spin_unlock_irqrestore(&dcr_ind_lock, flags); \ 73
80} while (0) 74static inline void __mtdcri(int base_addr, int base_data, int reg,
75 unsigned val)
76{
77 unsigned long flags;
78
79 spin_lock_irqsave(&dcr_ind_lock, flags);
80 __mtdcr(base_addr, reg);
81 __mtdcr(base_data, val);
82 spin_unlock_irqrestore(&dcr_ind_lock, flags);
83}
84
85#define mfdcri(base, reg) __mfdcri(DCRN_ ## base ## _CONFIG_ADDR, \
86 DCRN_ ## base ## _CONFIG_DATA, \
87 reg)
88
89#define mtdcri(base, reg, data) __mtdcri(DCRN_ ## base ## _CONFIG_ADDR, \
90 DCRN_ ## base ## _CONFIG_DATA, \
91 reg, data)
81 92
82#endif /* __ASSEMBLY__ */ 93#endif /* __ASSEMBLY__ */
83#endif /* __KERNEL__ */ 94#endif /* __KERNEL__ */