UPSTREAM: PM / devfreq: rk3399_dmc: Remove explictly regulator_put call in .remove
[firefly-linux-kernel-4.4.55.git] / drivers / iommu / amd_iommu.c
index 5975d76ce755dcb395a082a42bb6c11e8becbdd5..a0ef57483ebbb816dce1ffa09e9033bfdcea10e7 100644 (file)
@@ -926,7 +926,7 @@ again:
        next_tail = (tail + sizeof(*cmd)) % CMD_BUFFER_SIZE;
        left      = (head - next_tail) % CMD_BUFFER_SIZE;
 
-       if (left <= 2) {
+       if (left <= 0x20) {
                struct iommu_cmd sync_cmd;
                volatile u64 sem = 0;
                int ret;