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)".
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