From: Tushar Dave <tushar.n.d...@oracle.com>
Date: Wed, 23 Nov 2016 18:28:04 -0800
> qlogicpti 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) enabled 64bit
> DMA and therefore dma_addr_t became of type u64. This makes
> 'incompatible pointer type' warnings inevitable.
>
> e.g.
> drivers/scsi/qlogicpti.c: In function ‘qpti_map_queues’:
> drivers/scsi/qlogicpti.c:813: 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 *’
> drivers/scsi/qlogicpti.c:822: 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 *’
>
> For the record, qlogicpti never executes on sun4v. Therefore even
> though 64bit DMA is enabled on SPARC, qlogicpti continues to use
> legacy iommu that guarantees DMA address is always in 32bit range.
>
> This patch resolves aforementioned compiler warnings.
>
> Signed-off-by: Tushar Dave <tushar.n.d...@oracle.com>
> Reviewed-by: thomas tai <thomas....@oracle.com>
Applied.
N§²ζμrΈyϊθΨb²X¬ΆΗ§vΨ^)ήΊ{.nΗ+·₯{±±Λ"{ayΊ ΚΪλ,j’f£’·hΰzΉ �w₯’Έ
’·¦j:+v¨wθjΨmΆ�Ύ«κηzZ+ωέ’j"ϊ!Άi
