Hi Lu, [auto build test WARNING on usb/usb-testing] [also build test WARNING on v4.10-rc1 next-20161224] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Lu-Baolu/usb-xhci-clear-EINT-bit-in-status-correctly/20161230-133444 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m68k All warnings (new ones prefixed by >>): In file included from include/linux/swab.h:4:0, from include/uapi/linux/byteorder/big_endian.h:12, from include/linux/byteorder/big_endian.h:4, from arch/m68k/include/uapi/asm/byteorder.h:4, from include/asm-generic/bitops/le.h:5, from arch/m68k/include/asm/bitops.h:518, from include/linux/bitops.h:36, from include/linux/kernel.h:10, from include/linux/list.h:8, from include/linux/pci.h:25, from drivers/usb/host/xhci.c:23: drivers/usb/host/xhci.c: In function 'xhci_stop': drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ include/uapi/linux/swab.h:116:32: note: in definition of macro '__swab32' (__builtin_constant_p((__u32)(x)) ? \ ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ >> arch/m68k/include/asm/io_mm.h:452:26: note: in expansion of macro 'out_le32' #define writel(val,addr) out_le32((addr),(val)) ^ drivers/usb/host/xhci.c:724:2: note: in expansion of macro 'writel' writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ include/uapi/linux/swab.h:17:12: note: in definition of macro '___constant_swab32' (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ ^ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32' #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ >> arch/m68k/include/asm/io_mm.h:452:26: note: in expansion of macro 'out_le32' #define writel(val,addr) out_le32((addr),(val)) ^ drivers/usb/host/xhci.c:724:2: note: in expansion of macro 'writel' writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ include/uapi/linux/swab.h:18:12: note: in definition of macro '___constant_swab32' (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ ^ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32' #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ >> arch/m68k/include/asm/io_mm.h:452:26: note: in expansion of macro 'out_le32' #define writel(val,addr) out_le32((addr),(val)) ^ drivers/usb/host/xhci.c:724:2: note: in expansion of macro 'writel' writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ include/uapi/linux/swab.h:19:12: note: in definition of macro '___constant_swab32' (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ ^ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32' #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ >> arch/m68k/include/asm/io_mm.h:452:26: note: in expansion of macro 'out_le32' #define writel(val,addr) out_le32((addr),(val)) ^ drivers/usb/host/xhci.c:724:2: note: in expansion of macro 'writel' writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ include/uapi/linux/swab.h:20:12: note: in definition of macro '___constant_swab32' (((__u32)(x) & (__u32)0xff000000UL) >> 24))) ^ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab32' #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ >> arch/m68k/include/asm/io_mm.h:452:26: note: in expansion of macro 'out_le32' #define writel(val,addr) out_le32((addr),(val)) ^ drivers/usb/host/xhci.c:724:2: note: in expansion of macro 'writel' writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ include/uapi/linux/swab.h:118:12: note: in definition of macro '__swab32' __fswab32(x)) ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ >> arch/m68k/include/asm/io_mm.h:452:26: note: in expansion of macro 'out_le32' #define writel(val,addr) out_le32((addr),(val)) ^ drivers/usb/host/xhci.c:724:2: note: in expansion of macro 'writel' writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ^ vim +/out_le32 +452 arch/m68k/include/asm/io_mm.h f9569e1d include/asm-m68k/io.h Al Viro 2007-07-20 436 #define insw(port,buf,nr) ((void)0) f9569e1d include/asm-m68k/io.h Al Viro 2007-07-20 437 #define outsw(port,buf,nr) ((void)0) f9569e1d include/asm-m68k/io.h Al Viro 2007-07-20 438 #define insl(port,buf,nr) ((void)0) f9569e1d include/asm-m68k/io.h Al Viro 2007-07-20 439 #define outsl(port,buf,nr) ((void)0) ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 440 ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 441 /* ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 442 * These should be valid on any ioremap()ed region ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 443 */ ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 444 #define readb(addr) in_8(addr) ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 445 #define writeb(val,addr) out_8((addr),(val)) f9569e1d include/asm-m68k/io.h Al Viro 2007-07-20 446 #define readw(addr) in_le16(addr) f9569e1d include/asm-m68k/io.h Al Viro 2007-07-20 447 #define writew(val,addr) out_le16((addr),(val)) 2171a19a include/asm-m68k/io.h Adrian Bunk 2008-10-13 448 84b16b7b arch/m68k/include/asm/io_mm.h Michael Schmitz 2013-04-06 449 #endif /* !CONFIG_ISA && !CONFIG_ATARI_ROM_ISA */ 2171a19a include/asm-m68k/io.h Adrian Bunk 2008-10-13 450 ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 451 #define readl(addr) in_le32(addr) ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 @452 #define writel(val,addr) out_le32((addr),(val)) ^1da177e include/asm-m68k/io.h Linus Torvalds 2005-04-16 453 f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 454 #define readsb(port, buf, nr) raw_insb((port), (u8 *)(buf), (nr)) f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 455 #define readsw(port, buf, nr) raw_insw((port), (u16 *)(buf), (nr)) f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 456 #define readsl(port, buf, nr) raw_insl((port), (u32 *)(buf), (nr)) f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 457 #define writesb(port, buf, nr) raw_outsb((port), (u8 *)(buf), (nr)) f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 458 #define writesw(port, buf, nr) raw_outsw((port), (u16 *)(buf), (nr)) f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 459 #define writesl(port, buf, nr) raw_outsl((port), (u32 *)(buf), (nr)) f5db9c6a arch/m68k/include/asm/io_mm.h Geert Uytterhoeven 2012-04-15 460 :::::: The code at line 452 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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