Re: [PATCH v2] media: s5p-jpeg: rename JPEG marker constants to prevent build warnings

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Hi Mauro,

W dniu 07.09.2021 o 08:11, Mauro Carvalho Chehab pisze:
Em Mon,  6 Sep 2021 21:40:22 -0700
Randy Dunlap <rdunlap@xxxxxxxxxxxxx> escreveu:

The use of a macro named 'RST' conflicts with one of the same name
in arch/mips/include/asm/mach-rc32434/rb.h. This causes build
warnings on some MIPS builds.

Change the names of the JPEG marker constants to be in their own
namespace to fix these build warnings and to prevent other similar
problems in the future.

Fixes these build warnings:

In file included from ../drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.c:14:
../drivers/media/platform/s5p-jpeg/jpeg-core.h:43: warning: "RST" redefined
    43 | #define RST                             0xd0
       |
../arch/mips/include/asm/mach-rc32434/rb.h:13: note: this is the location of the previous definition
    13 | #define RST             (1 << 15)

In file included from ../drivers/media/platform/s5p-jpeg/jpeg-hw-s5p.c:13:
../drivers/media/platform/s5p-jpeg/jpeg-core.h:43: warning: "RST" redefined
    43 | #define RST                             0xd0
../arch/mips/include/asm/mach-rc32434/rb.h:13: note: this is the location of the previous definition
    13 | #define RST             (1 << 15)

In file included from ../drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c:12:
../drivers/media/platform/s5p-jpeg/jpeg-core.h:43: warning: "RST" redefined
    43 | #define RST                             0xd0
../arch/mips/include/asm/mach-rc32434/rb.h:13: note: this is the location of the previous definition
    13 | #define RST             (1 << 15)

In file included from ../drivers/media/platform/s5p-jpeg/jpeg-core.c:31:
../drivers/media/platform/s5p-jpeg/jpeg-core.h:43: warning: "RST" redefined
    43 | #define RST                             0xd0
../arch/mips/include/asm/mach-rc32434/rb.h:13: note: this is the location of the previous definition
    13 | #define RST             (1 << 15)

Also update the kernel-doc so that the word "marker" is not
repeated.

Fixes: bb677f3ac434 ("[media] Exynos4 JPEG codec v4l2 driver")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
Cc: Andrzej Pietrasiewicz <andrzejtp2010@xxxxxxxxx>
Cc: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx>
Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
v2: change all JPEG marker macros to be in their own namespace (as
     suggested by Mauro)

Applied, thanks!

You can add

Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@xxxxxxxxx>


Regards,
Mauro

Thanks,
Mauro




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