5:01 p.m.
Hi Radhey,
FYI, the error/warning still remains.
tree: https://github.com/Xilinx/linux-xlnx master
head: 163a7d26208a6794f595eeee3d54787df5e903d4
commit: c2644339194bd7be4ce6023d72f5e7a03f55ef6b [10742/12287] drivers: media: Customized
adv7511 for Xylon LogiCVC (deprecated)
config: powerpc64-randconfig-r032-20210622 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
b3634d3e88b7f26534a5057bff182b7dced584fc)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
#
https://github.com/Xilinx/linux-xlnx/commit/c2644339194bd7be4ce6023d72f5e...
git remote add xlnx https://github.com/Xilinx/linux-xlnx
git fetch --no-tags xlnx master
git checkout c2644339194bd7be4ce6023d72f5e7a03f55ef6b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
__do_insb
^
arch/powerpc/include/asm/io.h:541:56: note: expanded from macro '__do_insb'
#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/media/i2c/adv7511-v4l2.c:20:
In file included from include/linux/gpio.h:62:
In file included from include/asm-generic/gpio.h:11:
In file included from include/linux/gpio/driver.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:185:1: note: expanded from here
__do_insw
^
arch/powerpc/include/asm/io.h:542:56: note: expanded from macro '__do_insw'
#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/media/i2c/adv7511-v4l2.c:20:
In file included from include/linux/gpio.h:62:
In file included from include/asm-generic/gpio.h:11:
In file included from include/linux/gpio/driver.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:189:1: note: expanded from here
__do_insl
^
arch/powerpc/include/asm/io.h:543:56: note: expanded from macro '__do_insl'
#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/media/i2c/adv7511-v4l2.c:20:
In file included from include/linux/gpio.h:62:
In file included from include/asm-generic/gpio.h:11:
In file included from include/linux/gpio/driver.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:193:1: note: expanded from here
__do_outsb
^
arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb'
#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/media/i2c/adv7511-v4l2.c:20:
In file included from include/linux/gpio.h:62:
In file included from include/asm-generic/gpio.h:11:
In file included from include/linux/gpio/driver.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:197:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/media/i2c/adv7511-v4l2.c:20:
In file included from include/linux/gpio.h:62:
In file included from include/asm-generic/gpio.h:11:
In file included from include/linux/gpio/driver.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:604:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:601:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:201:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
> drivers/media/i2c/adv7511-v4l2.c:427:2: error: void function
'adv7511_set_rgb_quantization_mode' should not return a value [-Wreturn-type]
return 0;
^ ~
drivers/media/i2c/adv7511-v4l2.c:2251:21: warning: no previous prototype for function
'adv7511_subdev' [-Wmissing-prototypes]
struct v4l2_subdev *adv7511_subdev(struct v4l2_subdev *sd)
^
drivers/media/i2c/adv7511-v4l2.c:2251:1: note: declare 'static' if the function
is not intended to be used outside of this translation unit
struct v4l2_subdev *adv7511_subdev(struct v4l2_subdev *sd)
^
static
8 warnings and 1 error generated.
vim +/adv7511_set_rgb_quantization_mode +427 drivers/media/i2c/adv7511-v4l2.c
421
422 static void adv7511_set_rgb_quantization_mode(struct v4l2_subdev *sd, struct
v4l2_ctrl *ctrl)
423 {
424 struct adv7511_state *state = get_adv7511_state(sd);
425
426 #ifdef XYLON_LOGICVC_INTG
427 return 0;
428 #endif
429
430 /* Only makes sense for RGB formats */
431 if (state->fmt_code != MEDIA_BUS_FMT_RGB888_1X24) {
432 /* so just keep quantization */
433 adv7511_csc_rgb_full2limit(sd, false);
434 return;
435 }
436
437 switch (ctrl->val) {
438 case V4L2_DV_RGB_RANGE_AUTO:
439 /* automatic */
440 if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
441 /* CE format, RGB limited range (16-235) */
442 adv7511_csc_rgb_full2limit(sd, true);
443 } else {
444 /* not CE format, RGB full range (0-255) */
445 adv7511_csc_rgb_full2limit(sd, false);
446 }
447 break;
448 case V4L2_DV_RGB_RANGE_LIMITED:
449 /* RGB limited range (16-235) */
450 adv7511_csc_rgb_full2limit(sd, true);
451 break;
452 case V4L2_DV_RGB_RANGE_FULL:
453 /* RGB full range (0-255) */
454 adv7511_csc_rgb_full2limit(sd, false);
455 break;
456 }
457 }
458
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org