545 	struct strbuf *strbuf;  in sbus_iommu_init()  local
559 	strbuf = kzalloc(sizeof(*strbuf), GFP_ATOMIC);  in sbus_iommu_init()
560 	if (!iommu || !strbuf)  in sbus_iommu_init()
564 	op->dev.archdata.stc = strbuf;  in sbus_iommu_init()
575 	strbuf->strbuf_control = reg_base + STRBUF_CONTROL;  in sbus_iommu_init()
576 	strbuf->strbuf_pflush = reg_base + STRBUF_PFLUSH;  in sbus_iommu_init()
577 	strbuf->strbuf_fsync = reg_base + STRBUF_FSYNC;  in sbus_iommu_init()
579 	strbuf->strbuf_enabled = 1;  in sbus_iommu_init()
581 	strbuf->strbuf_flushflag = (volatile unsigned long *)  in sbus_iommu_init()
582 		((((unsigned long)&strbuf->__flushflag_buf[0])  in sbus_iommu_init()
585 	strbuf->strbuf_flushflag_pa = (unsigned long)  in sbus_iommu_init()
586 		__pa(strbuf->strbuf_flushflag);  in sbus_iommu_init()
629 	upa_writeq(control, strbuf->strbuf_control);  in sbus_iommu_init()
635 		ptag = strbuf->strbuf_control +  in sbus_iommu_init()
637 		ltag = strbuf->strbuf_control +  in sbus_iommu_init()
660 	kfree(strbuf);  in sbus_iommu_init()