>
> +static inline void __dma_sync(void)
> +{
> + dsb();
> +}
> +
> /*
> * Return whether the given device DMA address mask can be supported
> * properly. For example, if your device can only drive the low 24-bits
> @@ -378,6 +383,7 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
> BUG_ON(!valid_dma_direction(dir));
>
> addr = __dma_map_single(dev, cpu_addr, size, dir);
> + __dma_sync();
Russell,
I'm curious about the correctness of this patch for systems with
outer cache. shouldn't the dsb be issued before the outer cache
maintenance?
saeed
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
