From: Tushar Dave <tushar.n.d...@oracle.com> Date: Mon, 17 Oct 2016 13:57:00 -0700
> sunbmac 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/sunbmac.c: In function ‘bigmac_ether_init’: > drivers/net/ethernet/sun/sunbmac.c:1166: warning: passing argument 3 of > ‘dma_alloc_coherent’ from incompatible pointer type > ./include/linux/dma-mapping.h:445: note: expected ‘dma_addr_t *’ but argument > is of type ‘__u32 *’ > > This patch resolves above compiler warning. > > Signed-off-by: Tushar Dave <tushar.n.d...@oracle.com> > Reviewed-by: chris hyser <chris.hy...@oracle.com> Applied.