On Fri, Jun 03, 2016 at 05:57:31PM +0100, Andre Przywara wrote:
> When the sun4i DRM driver is compiled with LPAE enabled, dma_addr_t turns
> into a 64-bit type, which causes warnings with some debug printks:
> =================
> In file included from
> drivers/gpu/drm/sun4i/sun4i_backend.c:13::
> drivers/gpu/drm/sun4i/sun4i_backend.c: In function 'sun4i_backend_update_layer_buffer':
> drivers/gpu/drm/sun4i/sun4i_backend.c:193:19: warning:
> format '%x' expects argument of type 'unsigned int', but argument 3 has
> type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
> DRM_DEBUG_DRIVER("Using GEM @ 0x%x\n", gem->paddr);
> ^
> include/drm/drmP.h:207:34: note: in definition of macro
> 'DRM_DEBUG_DRIVER'
> drm_ut_debug_printk(__func__, fmt, ##args); \
> .....
>
> Use the proper printk format specifier [1] for dma_addr_t which takes
> care of those differences.
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
>
> [1] Documentation/printk-formats.txt
> ---
> drivers/gpu/drm/sun4i/sun4i_backend.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Thierry Reding <treding@xxxxxxxxxx>
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