On 13.11.2018 19:52, Dmitry Osipenko wrote: > On 09.11.2018 17:32, Hans Verkuil wrote: >> On 11/08/18 12:02, Colin King wrote: >>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> >>> >>> The frame.flags & FLAG_B_FRAME is promoted to a long unsigned because >>> of the use of the BIT() macro when defining FLAG_B_FRAME and causing a >>> build warning. Fix this by using the %lu format specifer. >>> >>> Cleans up warning: >>> drivers/staging/media/tegra-vde/tegra-vde.c:267:5: warning: format >>> specifies type 'int' but the argument has type 'unsigned long' [-Wformat] >>> >>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> >>> --- >>> drivers/staging/media/tegra-vde/tegra-vde.c | 2 +- >>> 1 file changed, 1 insertion(+), 1 deletion(-) >>> >>> diff --git a/drivers/staging/media/tegra-vde/tegra-vde.c b/drivers/staging/media/tegra-vde/tegra-vde.c >>> index 6f06061a40d9..66cf14212c14 100644 >>> --- a/drivers/staging/media/tegra-vde/tegra-vde.c >>> +++ b/drivers/staging/media/tegra-vde/tegra-vde.c >>> @@ -262,7 +262,7 @@ static void tegra_vde_setup_iram_tables(struct tegra_vde *vde, >>> value |= frame->frame_num; >>> >>> dev_dbg(vde->miscdev.parent, >>> - "\tFrame %d: frame_num = %d B_frame = %d\n", >>> + "\tFrame %d: frame_num = %d B_frame = %lu\n", >>> i + 1, frame->frame_num, >>> (frame->flags & FLAG_B_FRAME)); >>> } else { >>> >> >> Compiling for i686 gives: >> >> In file included from /home/hans/work/build/media-git/include/linux/printk.h:336, >> from /home/hans/work/build/media-git/include/linux/kernel.h:14, >> from /home/hans/work/build/media-git/include/linux/clk.h:16, >> from /home/hans/work/build/media-git/drivers/staging/media/tegra-vde/tegra-vde.c:12: >> /home/hans/work/build/media-git/drivers/staging/media/tegra-vde/tegra-vde.c: In function 'tegra_vde_setup_iram_tables': >> /home/hans/work/build/media-git/drivers/staging/media/tegra-vde/tegra-vde.c:265:5: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'u32' {aka 'unsigned int'} [-Wformat=] >> "\tFrame %d: frame_num = %d B_frame = %lu\n", >> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> /home/hans/work/build/media-git/include/linux/dynamic_debug.h:135:39: note: in definition of macro 'dynamic_dev_dbg' >> __dynamic_dev_dbg(&descriptor, dev, fmt, \ >> ^~~ >> /home/hans/work/build/media-git/include/linux/device.h:1463:23: note: in expansion of macro 'dev_fmt' >> dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) >> ^~~~~~~ >> /home/hans/work/build/media-git/drivers/staging/media/tegra-vde/tegra-vde.c:264:4: note: in expansion of macro 'dev_dbg' >> dev_dbg(vde->miscdev.parent, >> ^~~~~~~ >> >> Should it be %zu? > > Same on ARM32. Yes, it should be either %zu or "!!(frame->flags & FLAG_B_FRAME)". > Actually this not a problem with a more recent -next. My bad, sorry for the noise. Probably I should try again with a "trace points" patch that removes those debug messages.