[staging:debugfs_cleanup 814/814] arch/powerpc/platforms/powernv/opal-lpc.c:379:37: error: 'root' undeclared; did you mean 'ror8'?
kbuild test robot
lkp at intel.com
Thu May 31 05:18:22 UTC 2018
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git debugfs_cleanup
head: cfe0305886b14a4f65cba2014f1963db2a534113
commit: cfe0305886b14a4f65cba2014f1963db2a534113 [814/814] arch/*: no need to check return value of debugfs_create functions
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout cfe0305886b14a4f65cba2014f1963db2a534113
# save the attached .config to linux build tree
make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
arch/powerpc/platforms/powernv/opal-lpc.c: In function 'opal_lpc_init_debugfs':
>> arch/powerpc/platforms/powernv/opal-lpc.c:379:37: error: 'root' undeclared (first use in this function); did you mean 'ror8'?
rc |= opal_lpc_debugfs_create_type(root, "io", OPAL_LPC_IO);
^~~~
ror8
arch/powerpc/platforms/powernv/opal-lpc.c:379:37: note: each undeclared identifier is reported only once for each function it appears in
--
arch/powerpc/platforms/powernv/vas-debug.c: In function 'vas_window_init_dbgdir':
>> arch/powerpc/platforms/powernv/vas-debug.c:142:17: error: unused variable 'f' [-Werror=unused-variable]
struct dentry *f, *d;
^
cc1: all warnings being treated as errors
vim +379 arch/powerpc/platforms/powernv/opal-lpc.c
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 369
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 370 static int opal_lpc_init_debugfs(void)
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 371 {
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 372 int rc = 0;
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 373
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 374 if (opal_lpc_chip_id < 0)
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 375 return -ENODEV;
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 376
cfe03058 Greg Kroah-Hartman 2018-05-30 377 debugfs_create_dir("lpc", powerpc_debugfs_root);
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 378
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 @379 rc |= opal_lpc_debugfs_create_type(root, "io", OPAL_LPC_IO);
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 380 rc |= opal_lpc_debugfs_create_type(root, "mem", OPAL_LPC_MEM);
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 381 rc |= opal_lpc_debugfs_create_type(root, "fw", OPAL_LPC_FW);
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 382 return rc;
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 383 }
b14726c5 Michael Ellerman 2014-07-15 384 machine_device_initcall(powernv, opal_lpc_init_debugfs);
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 385 #endif /* CONFIG_DEBUG_FS */
fa2dbe2e Benjamin Herrenschmidt 2014-06-03 386
:::::: The code at line 379 was first introduced by commit
:::::: fa2dbe2e0fcf2cda8fc56845e475b617385b1ec6 powerpc/powernv: Provide debugfs access to the LPC bus via OPAL
:::::: TO: Benjamin Herrenschmidt <benh at kernel.crashing.org>
:::::: CC: Benjamin Herrenschmidt <benh at kernel.crashing.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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