On Mon, May 02, 2016 at 12:59:19PM +0200, Arnd Bergmann wrote:
> When CONFIG_OF is disabled, we have to include linux/errno.h before
> including of_graph.h, or get build errors like in the newly added
> sun4i drm driver:
>
> In file included from ../drivers/gpu/drm/sun4i/sun4i_drv.c:14:0:
> include/linux/of_graph.h: In function 'of_graph_parse_endpoint':
> include/linux/of_graph.h:58:10: error: 'ENOSYS' undeclared (first use in this function)
>
> A better solution is to ensure that the header can be included
> by itself, so let's include linux/errno.h here to fix the error
> we just got, and any similar future error.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 9026e0d122ac ("drm: Add Allwinner A10 Display Engine support")
> ---
> include/linux/of_graph.h | 1 +
> 1 file changed, 1 insertion(+)
Applied.
Rob
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