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| author | Mark Brown <[email protected]> | 2016-02-09 18:20:39 +0000 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2016-02-09 18:20:39 +0000 |
| commit | fcdcc79628a1919bde9acf239e364f65bab6327c (patch) | |
| tree | 5499be387cf3028c90ac083b1cf866ebed7bf7e0 /arch/powerpc/include/asm/io.h | |
| parent | 7a8d44bc89e5cddcd5c0704a11a90484d36ba6ba (diff) | |
| parent | a0a90718f18264dc904d34a580f332006f5561e9 (diff) | |
Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx
Diffstat (limited to 'arch/powerpc/include/asm/io.h')
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 5879fde56f3c..6c1297ec374c 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -385,6 +385,17 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) { *(volatile unsigned long __force *)PCI_FIX_ADDR(addr) = v; } + +/* + * Real mode version of the above. stdcix is only supposed to be used + * in hypervisor real mode as per the architecture spec. + */ +static inline void __raw_rm_writeq(u64 val, volatile void __iomem *paddr) +{ + __asm__ __volatile__("stdcix %0,0,%1" + : : "r" (val), "r" (paddr) : "memory"); +} + #endif /* __powerpc64__ */ /* |