From: Russell King Date: Sun, 15 Jul 2007 13:52:16 +0000 (+0100) Subject: [ARM] avoid floppy warnings by using fd_dma_setup() X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=21d1ca04532005c50ed57c2b2948e465b2e90720;p=deliverable%2Flinux.git [ARM] avoid floppy warnings by using fd_dma_setup() Avoid the virt_to_bus()/bus_to_virt() warnings in floppy.c caused by the (useless) double conversion to/from bus addresses. Signed-off-by: Russell King --- diff --git a/include/asm-arm/floppy.h b/include/asm-arm/floppy.h index 54b5ae44ed94..d595c15166a4 100644 --- a/include/asm-arm/floppy.h +++ b/include/asm-arm/floppy.h @@ -30,15 +30,21 @@ #define fd_disable_irq() disable_irq(IRQ_FLOPPYDISK) #define fd_enable_irq() enable_irq(IRQ_FLOPPYDISK) +static inline int fd_dma_setup(void *data, unsigned int length, + unsigned int mode, unsigned long addr) +{ + set_dma_mode(DMA_FLOPPY, mode); + __set_dma_addr(DMA_FLOPPY, data); + set_dma_count(DMA_FLOPPY, length); + virtual_dma_port = addr; + enable_dma(DMA_FLOPPY); + return 0; +} +#define fd_dma_setup fd_dma_setup + #define fd_request_dma() request_dma(DMA_FLOPPY,"floppy") #define fd_free_dma() free_dma(DMA_FLOPPY) #define fd_disable_dma() disable_dma(DMA_FLOPPY) -#define fd_enable_dma() enable_dma(DMA_FLOPPY) -#define fd_clear_dma_ff() clear_dma_ff(DMA_FLOPPY) -#define fd_set_dma_mode(mode) set_dma_mode(DMA_FLOPPY, (mode)) -#define fd_set_dma_addr(addr) set_dma_addr(DMA_FLOPPY, virt_to_bus((addr))) -#define fd_set_dma_count(len) set_dma_count(DMA_FLOPPY, (len)) -#define fd_cacheflush(addr,sz) /* need to clean up dma.h */ #define DMA_FLOPPYDISK DMA_FLOPPY