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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408292154.19W0R3u3-lkp@xxxxxxxxx/ 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@xxxxxx> :::::: CC: Tony Lindgren <tony@xxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
