[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 <rmk+kernel@arm.linux.org.uk>

1 files changed, 12 insertions, 6 deletions

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