On Tue, May 03, 2016 at 05:23:28PM +0200, Arnd Bergmann wrote:
> The newly added sun4i drm driver prints a dma address using the %x
> format string, which cannot work when dma_addr_t is 64 bit,
> and gcc warns about this configuration:
>
> drm/sun4i/sun4i_backend.c: In function 'sun4i_backend_update_layer_buffer':
> drm/sun4i/sun4i_backend.c:193:84: error: format '%x' expects argument of type
> 'unsigned int', but argument 3 has type 'dma_addr_t {aka long long unsigned
> int}' [-Werror=format=]
> DRM_DEBUG_DRIVER("Using GEM @ 0x%x\n", gem->paddr);
> drm/sun4i/sun4i_backend.c:201:84: error: format '%x' expects argument of type
> 'unsigned int', but argument 3 has type 'dma_addr_t {aka long long unsigned
> int}' [-Werror=format=]
> DRM_DEBUG_DRIVER("Setting buffer address to 0x%x\n", paddr);
>
> This changes the code to use the explicit %pad format string, which
> always prints the right length.
>
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
Applied, thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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