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| author | Mark Brown <broonie@linaro.org> | 2014-04-29 10:01:28 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-29 10:01:28 -0700 |
| commit | 3e93457b45a1a8c69227ce596ee2005fa06f20dd (patch) | |
| tree | 248c27e432533b1af80a9b2240eaa8e48e3b87cc /arch/s390/include/asm/sigp.h | |
| parent | 290414499cf94284a97cc3c33214d13ccfcd896a (diff) | |
| parent | c42ba72ec3a7a1b6aa30122931f1f4b91b601c31 (diff) | |
Merge tag 'ib-mfd-regulator-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-tps65090
Immutable branch between MFD and Regulator due for v3.16 merge-window.
Diffstat (limited to 'arch/s390/include/asm/sigp.h')
| -rw-r--r-- | arch/s390/include/asm/sigp.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h index d091aa1aaf11..bf9c823d4020 100644 --- a/arch/s390/include/asm/sigp.h +++ b/arch/s390/include/asm/sigp.h @@ -31,4 +31,23 @@ #define SIGP_STATUS_INCORRECT_STATE 0x00000200UL #define SIGP_STATUS_NOT_RUNNING 0x00000400UL +#ifndef __ASSEMBLY__ + +static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status) +{ + register unsigned int reg1 asm ("1") = parm; + int cc; + + asm volatile( + " sigp %1,%2,0(%3)\n" + " ipm %0\n" + " srl %0,28\n" + : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc"); + if (status && cc == 1) + *status = reg1; + return cc; +} + +#endif /* __ASSEMBLY__ */ + #endif /* __S390_ASM_SIGP_H */ |