From: Tushar Dave <tushar.n.dave@xxxxxxxxxx>
Date: Mon, 17 Oct 2016 13:56:59 -0700
> sunqe uses '__u32' for dma handle while invoking kernel DMA APIs,
> instead of using dma_addr_t. This hasn't caused any 'incompatible
> pointer type' warning on SPARC because until now dma_addr_t is of
> type u32. However, recent changes in SPARC ATU (iommu) enables 64bit
> DMA and therefore dma_addr_t becomes of type u64. This makes
> 'incompatible pointer type' warnings inevitable.
>
> e.g.
> drivers/net/ethernet/sun/sunqe.c: In function ʽqec_ether_initʼ:
> drivers/net/ethernet/sun/sunqe.c:883: warning: passing argument 3 of ʽdma_alloc_coherentʼ from incompatible pointer type
> ./include/linux/dma-mapping.h:445: note: expected ʽdma_addr_t *ʼ but argument is of type ʽ__u32 *ʼ
> drivers/net/ethernet/sun/sunqe.c:885: warning: passing argument 3 of ʽdma_alloc_coherentʼ from incompatible pointer type
> ./include/linux/dma-mapping.h:445: note: expected ʽdma_addr_t *ʼ but argument is of type ʽ__u32 *ʼ
>
> This patch resolves above compiler warnings.
>
> Signed-off-by: Tushar Dave <tushar.n.dave@xxxxxxxxxx>
> Reviewed-by: chris hyser <chris.hyser@xxxxxxxxxx>
Aplpied.
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