* Re: [PATCH -next] drm/kmb: Make layer_irqs static
[not found] <20230804085033.32410-1-guozihua@huawei.com>
@ 2023-08-06 23:28 ` kernel test robot
2023-08-06 23:28 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-08-06 23:28 UTC (permalink / raw)
To: GUO Zihua, anitha.chrisanthus, edmund.j.dea, airlied, daniel
Cc: llvm, oe-kbuild-all, dri-devel
Hi GUO,
kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20230804]
url: https://github.com/intel-lab-lkp/linux/commits/GUO-Zihua/drm-kmb-Make-layer_irqs-static/20230807-054559
base: next-20230804
patch link: https://lore.kernel.org/r/20230804085033.32410-1-guozihua%40huawei.com
patch subject: [PATCH -next] drm/kmb: Make layer_irqs static
config: hexagon-randconfig-r041-20230807 (https://download.01.org/0day-ci/archive/20230807/202308070728.VycQGxPi-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20230807/202308070728.VycQGxPi-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308070728.VycQGxPi-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/kmb/kmb_plane.c:6:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/gpu/drm/kmb/kmb_plane.c:6:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/gpu/drm/kmb/kmb_plane.c:6:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> drivers/gpu/drm/kmb/kmb_plane.c:20:18: warning: unused variable 'layer_irqs' [-Wunused-const-variable]
static const u32 layer_irqs[] = {
^
7 warnings generated.
vim +/layer_irqs +20 drivers/gpu/drm/kmb/kmb_plane.c
19
> 20 static const u32 layer_irqs[] = {
21 LCD_INT_VL0,
22 LCD_INT_VL1,
23 LCD_INT_GL0,
24 LCD_INT_GL1
25 };
26
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH -next] drm/kmb: Make layer_irqs static
[not found] <20230804085033.32410-1-guozihua@huawei.com>
2023-08-06 23:28 ` [PATCH -next] drm/kmb: Make layer_irqs static kernel test robot
@ 2023-08-06 23:28 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-08-06 23:28 UTC (permalink / raw)
To: GUO Zihua, anitha.chrisanthus, edmund.j.dea, airlied, daniel
Cc: llvm, oe-kbuild-all, dri-devel
Hi GUO,
kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20230804]
url: https://github.com/intel-lab-lkp/linux/commits/GUO-Zihua/drm-kmb-Make-layer_irqs-static/20230807-054559
base: next-20230804
patch link: https://lore.kernel.org/r/20230804085033.32410-1-guozihua%40huawei.com
patch subject: [PATCH -next] drm/kmb: Make layer_irqs static
config: hexagon-randconfig-r001-20230807 (https://download.01.org/0day-ci/archive/20230807/202308070721.KScQCyXP-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230807/202308070721.KScQCyXP-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308070721.KScQCyXP-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/kmb/kmb_plane.c:6:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/gpu/drm/kmb/kmb_plane.c:6:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/gpu/drm/kmb/kmb_plane.c:6:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
>> drivers/gpu/drm/kmb/kmb_plane.c:20:18: warning: unused variable 'layer_irqs' [-Wunused-const-variable]
20 | static const u32 layer_irqs[] = {
| ^
7 warnings generated.
vim +/layer_irqs +20 drivers/gpu/drm/kmb/kmb_plane.c
19
> 20 static const u32 layer_irqs[] = {
21 LCD_INT_VL0,
22 LCD_INT_VL1,
23 LCD_INT_GL0,
24 LCD_INT_GL1
25 };
26
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread