From dcbae4be907488df5e1cc8a89b7df1a0565c257c Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 9 Feb 2010 09:25:08 +0100 Subject: [PATCH] microblaze: Preliminary support for dma drivers I found several problems for ll_temac driver and on system with WB. This early fix should fix it. I will clean this patch before I will add it to mainline Signed-off-by: Michal Simek --- arch/microblaze/kernel/dma.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index f230a8de0bcd..fbe1e8184eff 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -20,18 +20,15 @@ * can set archdata.dma_data to an unsigned long holding the offset. By * default the offset is PCI_DRAM_OFFSET. */ - -static inline void __dma_sync_page(void *paddr, unsigned long offset, +static inline void __dma_sync_page(unsigned long paddr, unsigned long offset, size_t size, enum dma_data_direction direction) { - unsigned long start = (unsigned long)paddr; - switch (direction) { case DMA_TO_DEVICE: - flush_dcache_range(start + offset, start + offset + size); + flush_dcache_range(paddr + offset, paddr + offset + size); break; case DMA_FROM_DEVICE: - invalidate_dcache_range(start + offset, start + offset + size); + invalidate_dcache_range(paddr + offset, paddr + offset + size); break; default: BUG(); -- 2.39.2