From d1ed455e30e439e0d1483c2e236d7e15e1010704 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 19 Jul 2007 08:22:17 +0200 Subject: [PATCH] PS3: sg chaining support Acked-by: Geoff Levand Signed-off-by: Jens Axboe --- arch/powerpc/platforms/ps3/system-bus.c | 7 ++++--- include/asm-powerpc/dma-mapping.h | 2 +- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index 190ff4b..07e64b4 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -616,17 +616,18 @@ static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr, } } -static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction) +static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl, + int nents, enum dma_data_direction direction) { #if defined(CONFIG_PS3_DYNAMIC_DMA) BUG_ON("do"); return -EPERM; #else struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + struct scatterlist *sg; int i; - for (i = 0; i < nents; i++, sg++) { + for_each_sg(sgl, sg, nents, i) { int result = ps3_dma_map(dev->d_region, page_to_phys(sg->page) + sg->offset, sg->length, &sg->dma_address, 0); diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h index d058916..60eacde 100644 --- a/include/asm-powerpc/dma-mapping.h +++ b/include/asm-powerpc/dma-mapping.h @@ -12,7 +12,7 @@ #include /* need struct page definitions */ #include -#include +#include #include #define DMA_ERROR_CODE (~(dma_addr_t)0x0) -- 2.7.4