March 29, 2002 ARM_DRAIN_WRITEBUF 2 arm

### NAME

arm_drain_writebuf - drains the CPU write buffer

### LIBRARY

### SYNOPSIS

```int` arm_drain_writebuf(``)

### DESCRIPTION

arm_drain_writebuf(``) will make sure that all the entries in the processor write buffer are written out to memory.

Not all processors support this operation (currently only the SA110). Those processes that do not treat this function as a null-op.

### ERRORS

arm_drain_writebuf(``) will never fail so will always return 0.

### REFERENCES

StrongARM Data Sheet