>-----Original Message-----
>From: Mike Frysinger [mailto:[email protected]]
>Sent: Wednesday, November 25, 2009 12:44 AM
>To: [email protected]
>Cc: [email protected]
>Subject: Re: [Linux-kernel-commits] [7861]
>trunk/arch/blackfin: task [#4617], fulfill lost dma-mapping
>entries in blackfin
>
>On Tue, Nov 24, 2009 at 05:20, <[email protected]> wrote:
>> +void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t
>> dma_handle,
>> + unsigned long offset, size_t size, enum
>dma_data_direction direction)
>> +{
>> + BUG_ON(!valid_dma_direction(direction));
>> +}
>> +EXPORT_SYMBOL(dma_sync_single_range_for_cpu);
>> +
>> +void dma_sync_sg_for_cpu(struct device *dev, struct
>scatterlist *sg, int
>> nelems,
>> + enum dma_data_direction direction)
>> +{
>> + BUG_ON(!valid_dma_direction(direction));
>> +}
>> +EXPORT_SYMBOL(dma_sync_sg_for_cpu);
>> +
>> +/*
>> + * allow the device to access the mapped streaming DMA buffer again
>> + */
>> +void dma_sync_single_range_for_device(struct device *dev, dma_addr_t
>> dma_handle,
>> + unsigned long offset, size_t size, enum
>dma_data_direction direction)
>> +{
>> + __dma_sync(dma_handle + offset, size, direction);
>> +}
>> +EXPORT_SYMBOL(dma_sync_single_range_for_device);
>> +
>> +void dma_sync_sg_for_device(struct device *dev, struct
>scatterlist *sg, int
>> nelems,
>> + enum dma_data_direction direction)
>> +{
>> + int i;
>> +
>> + for (i = 0; i < nelems; i++, sg++) {
>> + sg->dma_address = (dma_addr_t) sg_virt(sg);
>> + __dma_sync(sg_dma_address(sg), sg_dma_len(sg),
>direction);
>> + }
>> +}
>> +EXPORT_SYMBOL(dma_sync_sg_for_device);
>> +
>> +void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
>> + enum dma_data_direction direction)
>> +{
>> + __dma_sync((dma_addr_t)vaddr, size, direction);
>> +}
>> +EXPORT_SYMBOL(dma_cache_sync);
>
>it doesnt really make sense to uninline these simple stub functions
Ok. Inline is fine.
>-mike
>
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