diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-02-07 20:27:36 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-02-07 20:27:36 +1100 |
| commit | 5ab3e84f66321579ca36b63a13bf78decba65121 (patch) | |
| tree | 5bd59ac055a9ca8ad456299e82b3a156a89b707a /include | |
| parent | 52b804829ca4cf3d1d9849232dadf67269cd89f4 (diff) | |
| parent | 256ae6a720618cbbfacc5e62ea1fe7c129d1b644 (diff) | |
Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-powerpc/dcr-native.h | 47 |
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 { \ /* R/W of indirect DCRs make use of standard naming conventions for DCRs */ extern spinlock_t dcr_ind_lock; -#define mfdcri(base, reg) \ -({ \ - unsigned long flags; \ - unsigned int val; \ - spin_lock_irqsave(&dcr_ind_lock, flags); \ - mtdcr(DCRN_ ## base ## _CONFIG_ADDR, reg); \ - val = mfdcr(DCRN_ ## base ## _CONFIG_DATA); \ - spin_unlock_irqrestore(&dcr_ind_lock, flags); \ - val; \ -}) +static inline unsigned __mfdcri(int base_addr, int base_data, int reg) +{ + unsigned long flags; + unsigned int val; -#define mtdcri(base, reg, data) \ -do { \ - unsigned long flags; \ - spin_lock_irqsave(&dcr_ind_lock, flags); \ - mtdcr(DCRN_ ## base ## _CONFIG_ADDR, reg); \ - mtdcr(DCRN_ ## base ## _CONFIG_DATA, data); \ - spin_unlock_irqrestore(&dcr_ind_lock, flags); \ -} while (0) + spin_lock_irqsave(&dcr_ind_lock, flags); + __mtdcr(base_addr, reg); + val = __mfdcr(base_data); + spin_unlock_irqrestore(&dcr_ind_lock, flags); + return val; +} + +static inline void __mtdcri(int base_addr, int base_data, int reg, + unsigned val) +{ + unsigned long flags; + + spin_lock_irqsave(&dcr_ind_lock, flags); + __mtdcr(base_addr, reg); + __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) + +#define mtdcri(base, reg, data) __mtdcri(DCRN_ ## base ## _CONFIG_ADDR, \ + DCRN_ ## base ## _CONFIG_DATA, \ + reg, data) #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |