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Message-ID: <201510150911.LUZUzevd%fengguang.wu@intel.com> Date: Thu, 15 Oct 2015 09:11:13 +0800 From: kbuild test robot <lkp@...el.com> To: Luis de Bethencourt <luisbg@....samsung.com> Cc: kbuild-all@...org, linux-kernel@...r.kernel.org, JBottomley@...n.com, linux-scsi@...r.kernel.org, Luis de Bethencourt <luisbg@....samsung.com> Subject: Re: [PATCH] scsi: kconfig: When possible, compile drivers with COMPILE_TEST Hi Luis, [auto build test WARNING on scsi/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Luis-de-Bethencourt/scsi-kconfig-When-possible-compile-drivers-with-COMPILE_TEST/20151015-051558 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/scsi/NCR5380.c:1751:9: sparse: context imbalance in 'NCR5380_transfer_dma' - unexpected unlock vim +/NCR5380_transfer_dma +1751 drivers/scsi/NCR5380.c ^1da177e Linus Torvalds 2005-04-16 1735 NCR5380_setup(instance); ^1da177e Linus Torvalds 2005-04-16 1736 ^1da177e Linus Torvalds 2005-04-16 1737 if ((tmp = (NCR5380_read(STATUS_REG) & PHASE_MASK)) != p) { ^1da177e Linus Torvalds 2005-04-16 1738 *phase = tmp; ^1da177e Linus Torvalds 2005-04-16 1739 return -1; ^1da177e Linus Torvalds 2005-04-16 1740 } ^1da177e Linus Torvalds 2005-04-16 1741 #if defined(REAL_DMA) || defined(REAL_DMA_POLL) ^1da177e Linus Torvalds 2005-04-16 1742 #ifdef READ_OVERRUNS ^1da177e Linus Torvalds 2005-04-16 1743 if (p & SR_IO) { ^1da177e Linus Torvalds 2005-04-16 1744 c -= 2; ^1da177e Linus Torvalds 2005-04-16 1745 } ^1da177e Linus Torvalds 2005-04-16 1746 #endif 52a6a1cb Finn Thain 2014-03-18 1747 dprintk(NDEBUG_DMA, "scsi%d : initializing DMA channel %d for %s, %d bytes %s %0x\n", instance->host_no, instance->dma_channel, (p & SR_IO) ? "reading" : "writing", c, (p & SR_IO) ? "to" : "from", (unsigned) d); ^1da177e Linus Torvalds 2005-04-16 1748 hostdata->dma_len = (p & SR_IO) ? NCR5380_dma_read_setup(instance, d, c) : NCR5380_dma_write_setup(instance, d, c); ^1da177e Linus Torvalds 2005-04-16 1749 #endif ^1da177e Linus Torvalds 2005-04-16 1750 ^1da177e Linus Torvalds 2005-04-16 @1751 NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p)); ^1da177e Linus Torvalds 2005-04-16 1752 ^1da177e Linus Torvalds 2005-04-16 1753 #ifdef REAL_DMA ^1da177e Linus Torvalds 2005-04-16 1754 NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_EOP_INTR | MR_MONITOR_BSY); ^1da177e Linus Torvalds 2005-04-16 1755 #elif defined(REAL_DMA_POLL) ^1da177e Linus Torvalds 2005-04-16 1756 NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE); ^1da177e Linus Torvalds 2005-04-16 1757 #else ^1da177e Linus Torvalds 2005-04-16 1758 /* ^1da177e Linus Torvalds 2005-04-16 1759 * Note : on my sample board, watch-dog timeouts occurred when interrupts :::::: The code at line 1751 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@...970.osdl.org> :::::: CC: Linus Torvalds <torvalds@...970.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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