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 <l...@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+ker...@arm.linux.org.uk>
:::::: CC: Russell King <rmk+ker...@arm.linux.org.uk>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
