diff options
Diffstat (limited to 'include/asm-sparc/sbus.h')
| -rw-r--r-- | include/asm-sparc/sbus.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-sparc/sbus.h b/include/asm-sparc/sbus.h index e04656e6c..f4468fa58 100644 --- a/include/asm-sparc/sbus.h +++ b/include/asm-sparc/sbus.h @@ -1,4 +1,4 @@ -/* $Id: sbus.h,v 1.15 1998/05/22 14:33:36 jj Exp $ +/* $Id: sbus.h,v 1.16 1998/12/16 04:33:52 davem Exp $ * sbus.h: Defines for the Sun SBus. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) @@ -95,6 +95,13 @@ sbus_is_slave(struct linux_sbus_device *dev) #define for_all_sbusdev(device, bus) \ for((bus) = SBus_chain, (device) = (bus)->devices; (bus); (device)=((device)->next ? (device)->next : ((bus) = (bus)->next, (bus) ? (bus)->devices : 0))) +/* If you did not get the buffer from mmu_get_*() or sparc_alloc_dvma() + * then you must use this to get the 32-bit SBUS dvma address. + * And in this case it is your responsibility to make sure the buffer + * is GFP_DMA, ie. that it is not greater than MAX_DMA_ADDRESS. + */ +#define sbus_dvma_addr(__addr) ((__u32)(__addr)) + /* Apply promlib probed SBUS ranges to registers. */ extern void prom_apply_sbus_ranges(struct linux_sbus *sbus, struct linux_prom_registers *sbusregs, |