Messages in this thread | | | Date | Wed, 21 Oct 2020 01:25:04 +0800 | From | kernel test robot <> | Subject | arch/arm/common/sa1111.c:1436:14: error: implicit declaration of function 'dmabounce_register_dev' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5c7e3f3f5cbc31118914ceee969154582ad3aa6b commit: 0a0f0d8be76dcd4390ff538e7060fda34db79717 dma-mapping: split <linux/dma-mapping.h> date: 2 weeks ago config: arm-randconfig-r015-20201020 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ea693a162786d933863ab079648d4261ac0ead47) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0a0f0d8be76dcd4390ff538e7060fda34db79717 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0a0f0d8be76dcd4390ff538e7060fda34db79717 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/arm/common/sa1111.c:704:1: warning: no previous prototype for function 'sa1111_configure_smc' [-Wmissing-prototypes] sa1111_configure_smc(struct sa1111 *sachip, int sdram, unsigned int drac, ^ arch/arm/common/sa1111.c:703:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void ^ static >> arch/arm/common/sa1111.c:1436:14: error: implicit declaration of function 'dmabounce_register_dev' [-Werror,-Wimplicit-function-declaration] int ret = dmabounce_register_dev(&dev->dev, 1024, 4096, ^ >> arch/arm/common/sa1111.c:1445:4: error: implicit declaration of function 'dmabounce_unregister_dev' [-Werror,-Wimplicit-function-declaration] dmabounce_unregister_dev(&dev->dev); ^ 1 warning and 2 errors generated.
vim +/dmabounce_register_dev +1436 arch/arm/common/sa1111.c
09a2ba2fa0eba3d Russell King 2012-01-29 1427 09a2ba2fa0eba3d Russell King 2012-01-29 1428 static int sa1111_notifier_call(struct notifier_block *n, unsigned long action, 09a2ba2fa0eba3d Russell King 2012-01-29 1429 void *data) 09a2ba2fa0eba3d Russell King 2012-01-29 1430 { b60752f2b20c167 Russell King 2016-09-06 1431 struct sa1111_dev *dev = to_sa1111_device(data); 09a2ba2fa0eba3d Russell King 2012-01-29 1432 09a2ba2fa0eba3d Russell King 2012-01-29 1433 switch (action) { 09a2ba2fa0eba3d Russell King 2012-01-29 1434 case BUS_NOTIFY_ADD_DEVICE: 09a2ba2fa0eba3d Russell King 2012-01-29 1435 if (dev->dev.dma_mask && dev->dma_mask < 0xffffffffUL) { 09a2ba2fa0eba3d Russell King 2012-01-29 @1436 int ret = dmabounce_register_dev(&dev->dev, 1024, 4096, 09a2ba2fa0eba3d Russell King 2012-01-29 1437 sa1111_needs_bounce); 09a2ba2fa0eba3d Russell King 2012-01-29 1438 if (ret) 09a2ba2fa0eba3d Russell King 2012-01-29 1439 dev_err(&dev->dev, "failed to register with dmabounce: %d\n", ret); 09a2ba2fa0eba3d Russell King 2012-01-29 1440 } 09a2ba2fa0eba3d Russell King 2012-01-29 1441 break; 09a2ba2fa0eba3d Russell King 2012-01-29 1442 09a2ba2fa0eba3d Russell King 2012-01-29 1443 case BUS_NOTIFY_DEL_DEVICE: 09a2ba2fa0eba3d Russell King 2012-01-29 1444 if (dev->dev.dma_mask && dev->dma_mask < 0xffffffffUL) 09a2ba2fa0eba3d Russell King 2012-01-29 @1445 dmabounce_unregister_dev(&dev->dev); 09a2ba2fa0eba3d Russell King 2012-01-29 1446 break; 09a2ba2fa0eba3d Russell King 2012-01-29 1447 } 09a2ba2fa0eba3d Russell King 2012-01-29 1448 return NOTIFY_OK; 09a2ba2fa0eba3d Russell King 2012-01-29 1449 } 09a2ba2fa0eba3d Russell King 2012-01-29 1450
:::::: The code at line 1436 was first introduced by commit :::::: 09a2ba2fa0eba3da747db860ac1c8c0956665316 ARM: sa1111: register sa1111 devices with dmabounce in bus notifier
:::::: TO: Russell King <rmk+kernel@arm.linux.org.uk> :::::: CC: Russell King <rmk+kernel@arm.linux.org.uk>
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