From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Wed, 4 May 2016 20:34:17 +0200 Subject: [PATCH] drm: sun4i: print DMA address correctly In-Reply-To: <1462289020-774976-1-git-send-email-arnd@arndb.de> References: <1462289020-774976-1-git-send-email-arnd@arndb.de> Message-ID: <20160504183417.GF17159@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Applied, thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: