From 47437b2c9a64315efeb3d84e97ffefd6c3c67ef1 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Sat, 2 Feb 2008 19:49:59 -0700 Subject: async_tx: allow architecture specific async_tx_find_channel implementations The source and destination addresses are included to allow channel selection based on address alignment. Signed-off-by: Dan Williams Reviewed-by: Haavard Skinnemoen --- include/linux/async_tx.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'include/linux/async_tx.h') diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h index 3d59d371dd32..eb640f0acfac 100644 --- a/include/linux/async_tx.h +++ b/include/linux/async_tx.h @@ -62,9 +62,15 @@ enum async_tx_flags { void async_tx_issue_pending_all(void); enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx); void async_tx_run_dependencies(struct dma_async_tx_descriptor *tx); +#ifdef CONFIG_ARCH_HAS_ASYNC_TX_FIND_CHANNEL +#include +#else +#define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \ + __async_tx_find_channel(dep, type) struct dma_chan * -async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, +__async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, enum dma_transaction_type tx_type); +#endif /* CONFIG_ARCH_HAS_ASYNC_TX_FIND_CHANNEL */ #else static inline void async_tx_issue_pending_all(void) { @@ -86,7 +92,8 @@ async_tx_run_dependencies(struct dma_async_tx_descriptor *tx, static inline struct dma_chan * async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, - enum dma_transaction_type tx_type) + enum dma_transaction_type tx_type, struct page **dst, int dst_count, + struct page **src, int src_count, size_t len) { return NULL; } -- cgit v1.2.3