diff options
| -rw-r--r-- | arch/arm/mach-msm/include/mach/msm_smd.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-msm/smd.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/include/mach/msm_smd.h b/arch/arm/mach-msm/include/mach/msm_smd.h index bdf7731ab68..aa076e466e4 100644 --- a/arch/arm/mach-msm/include/mach/msm_smd.h +++ b/arch/arm/mach-msm/include/mach/msm_smd.h @@ -38,6 +38,7 @@ int smd_read(smd_channel_t *ch, void *data, int len); ** it will return the requested length written or an error. */ int smd_write(smd_channel_t *ch, const void *data, int len); +int smd_write_atomic(smd_channel_t *ch, const void *data, int len); int smd_write_avail(smd_channel_t *ch); int smd_read_avail(smd_channel_t *ch); diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c index 655fe42506c..086fd77dc89 100644 --- a/arch/arm/mach-msm/smd.c +++ b/arch/arm/mach-msm/smd.c @@ -804,6 +804,16 @@ int smd_write(smd_channel_t *ch, const void *data, int len) return ch->write(ch, data, len); } +int smd_write_atomic(smd_channel_t *ch, const void *data, int len) +{ + unsigned long flags; + int res; + spin_lock_irqsave(&smd_lock, flags); + res = ch->write(ch, data, len); + spin_unlock_irqrestore(&smd_lock, flags); + return res; +} + int smd_read_avail(smd_channel_t *ch) { return ch->read_avail(ch); |