On 05/12/14 10:18, Qiang Chen wrote:
> When allocate framebuffer memory using dma_alloc_coherent(),
> we'd better use dma_addr_t instead of phys_addr_t. Because the
> address we got in fact is DMA or bus address for the platform.
>
> This patch also fixes below build warning:
> drivers/video/fbdev/ocfb.c:335:2:
> warning: passing argument 3 of ‘dma_alloc_attrs’
> from incompatible pointer type [enabled by default]
>
> Signed-off-by: Qiang Chen <qiang2.chen@xxxxxxxxxxxxxx>
> ---
> drivers/video/fbdev/ocfb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/ocfb.c b/drivers/video/fbdev/ocfb.c
> index 7f9dc9b..de98196 100644
> --- a/drivers/video/fbdev/ocfb.c
> +++ b/drivers/video/fbdev/ocfb.c
> @@ -61,7 +61,7 @@ struct ocfb_dev {
> /* flag indicating whether the regs are little endian accessed */
> int little_endian;
> /* Physical and virtual addresses of framebuffer */
> - phys_addr_t fb_phys;
> + dma_addr_t fb_phys;
> void __iomem *fb_virt;
> u32 pseudo_palette[PALETTE_SIZE];
> };
>
Thanks, queued for 3.20.
Tomi
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