* [linux-next:master 4949/7693] drivers/mailbox/omap-mailbox.c:383:34: warning: unused variable 'omap_mailbox_of_match'
@ 2024-08-29 13:46 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-08-29 13:46 UTC (permalink / raw)
To: Martyn Welch
Cc: oe-kbuild-all, Linux Memory Management List, Mathieu Poirier,
Hari Nagalla, Andrew Davis
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: b18bbfc14a38b5234e09c2adcf713e38063a7e6e
commit: ebcf9008a895a2a9416f69e186b56fbade35e12c [4949/7693] remoteproc: k3-m4: Add a remoteproc driver for M4F subsystem
config: hexagon-randconfig-r062-20240829 (https://download.01.org/0day-ci/archive/20240829/202408292154.19W0R3u3-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240829/202408292154.19W0R3u3-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/202408292154.19W0R3u3-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/mailbox/omap-mailbox.c:12:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: 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:561:61: 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/mailbox/omap-mailbox.c:12:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: 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/mailbox/omap-mailbox.c:12:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: 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:595:59: 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:605:59: 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/mailbox/omap-mailbox.c:383:34: warning: unused variable 'omap_mailbox_of_match' [-Wunused-const-variable]
static const struct of_device_id omap_mailbox_of_match[] = {
^
7 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
Selected by [y]:
- TI_K3_M4_REMOTEPROC [=y] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])
vim +/omap_mailbox_of_match +383 drivers/mailbox/omap-mailbox.c
ea2ec1e80f78e5f Suman Anna 2018-07-11 382
75288cc66dc478b Suman Anna 2014-09-10 @383 static const struct of_device_id omap_mailbox_of_match[] = {
75288cc66dc478b Suman Anna 2014-09-10 384 {
75288cc66dc478b Suman Anna 2014-09-10 385 .compatible = "ti,omap2-mailbox",
ea2ec1e80f78e5f Suman Anna 2018-07-11 386 .data = &omap2_data,
75288cc66dc478b Suman Anna 2014-09-10 387 },
75288cc66dc478b Suman Anna 2014-09-10 388 {
75288cc66dc478b Suman Anna 2014-09-10 389 .compatible = "ti,omap3-mailbox",
ea2ec1e80f78e5f Suman Anna 2018-07-11 390 .data = &omap2_data,
75288cc66dc478b Suman Anna 2014-09-10 391 },
75288cc66dc478b Suman Anna 2014-09-10 392 {
75288cc66dc478b Suman Anna 2014-09-10 393 .compatible = "ti,omap4-mailbox",
ea2ec1e80f78e5f Suman Anna 2018-07-11 394 .data = &omap4_data,
75288cc66dc478b Suman Anna 2014-09-10 395 },
9c1f2a5dc2948b9 Suman Anna 2019-06-04 396 {
9c1f2a5dc2948b9 Suman Anna 2019-06-04 397 .compatible = "ti,am654-mailbox",
9c1f2a5dc2948b9 Suman Anna 2019-06-04 398 .data = &omap4_data,
9c1f2a5dc2948b9 Suman Anna 2019-06-04 399 },
595be654b0c23b6 Suman Anna 2021-02-09 400 {
595be654b0c23b6 Suman Anna 2021-02-09 401 .compatible = "ti,am64-mailbox",
595be654b0c23b6 Suman Anna 2021-02-09 402 .data = &omap4_data,
595be654b0c23b6 Suman Anna 2021-02-09 403 },
75288cc66dc478b Suman Anna 2014-09-10 404 {
75288cc66dc478b Suman Anna 2014-09-10 405 /* end */
75288cc66dc478b Suman Anna 2014-09-10 406 },
75288cc66dc478b Suman Anna 2014-09-10 407 };
75288cc66dc478b Suman Anna 2014-09-10 408 MODULE_DEVICE_TABLE(of, omap_mailbox_of_match);
75288cc66dc478b Suman Anna 2014-09-10 409
:::::: The code at line 383 was first introduced by commit
:::::: 75288cc66dc478b32e43970dd6913396526504ae mailbox/omap: add support for parsing dt devices
:::::: TO: Suman Anna <s-anna@ti.com>
:::::: CC: Tony Lindgren <tony@atomide.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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