Re: [PATCH 1/3] net: mediatek: use dma_addr_t correctly

From: John Crispin
Date: Mon Mar 14 2016 - 14:01:40 EST




On 14/03/2016 15:07, Arnd Bergmann wrote:
> dma_alloc_coherent() expects a dma_addr_t pointer as its argument,
> not an 'unsigned int', and gcc correctly warns about broken
> code in the mtk_init_fq_dma function:
>
> drivers/net/ethernet/mediatek/mtk_eth_soc.c: In function 'mtk_init_fq_dma':
> drivers/net/ethernet/mediatek/mtk_eth_soc.c:463:13: error: passing argument 3 of 'dma_alloc_coherent' from incompatible pointer type [-Werror=incompatible-pointer-types]
>
> This changes the type of the local variable to dma_addr_t.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

thanks for the fixes



> ---
> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> index ba3afa5d4640..3e42204adfe5 100644
> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> @@ -453,7 +453,7 @@ static inline void mtk_rx_get_desc(struct mtk_rx_dma *rxd,
> /* the qdma core needs scratch memory to be setup */
> static int mtk_init_fq_dma(struct mtk_eth *eth)
> {
> - unsigned int phy_ring_head, phy_ring_tail;
> + dma_addr_t phy_ring_head, phy_ring_tail;
> int cnt = MTK_DMA_SIZE;
> dma_addr_t dma_addr;
> int i;
>