diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2010-05-26 14:44:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:54 -0700 |
| commit | 18e98307de0d746cb0845ebf66535ce2184c25a2 (patch) | |
| tree | eac998f31e3930ffc1f54e524a2a9bbc82b851e0 /arch/sh | |
| parent | 204f3a04449a9a775e465f7d87bcab08f170e59e (diff) | |
asm-generic: add NEED_SG_DMA_LENGTH to define sg_dma_len()
There are only two ways to define sg_dma_len(); use sg->dma_length or
sg->length. This patch introduces NEED_SG_DMA_LENGTH that enables
architectures to choose sg->dma_length or sg->length.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 0e318c905ee..c5ee4ce60b5 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -186,6 +186,9 @@ config DMA_NONCOHERENT config NEED_DMA_MAP_STATE def_bool DMA_NONCOHERENT +config NEED_SG_DMA_LENGTH + def_bool y + source "init/Kconfig" source "kernel/Kconfig.freezer" |