diff options
| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-07-15 14:52:16 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2007-07-20 09:39:57 +0100 |
| commit | 21d1ca04532005c50ed57c2b2948e465b2e90720 (patch) | |
| tree | 92a77c52e28a898b1bfe6d10c3e7408e8585a8dd /include/asm-arm | |
| parent | [ARM] remove asm/ptrace.h from asm/thread_info.h (diff) | |
| download | linux-dev-21d1ca04532005c50ed57c2b2948e465b2e90720.tar.xz linux-dev-21d1ca04532005c50ed57c2b2948e465b2e90720.zip | |
[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>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/floppy.h | 18 |
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 |