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Message-ID: <202306130405.uTv5yOZD-lkp@intel.com>
Date: Tue, 13 Jun 2023 04:36:06 +0800
From: kernel test robot <lkp@...el.com>
To: Rob Herring <robh@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>
Subject: arch/powerpc/platforms/52xx/lite5200_pm.c:47:12: error: stack frame
size (1040) exceeds limit (1024) in 'lite5200_pm_prepare'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 858fd168a95c5b9669aac8db6c14a9aeab446375
commit: 2500763dd3db37fad94d9b506907c59c2f5e97c6 powerpc: Use of_address_to_resource()
date: 10 weeks ago
config: powerpc-randconfig-r033-20230612 (https://download.01.org/0day-ci/archive/20230613/202306130405.uTv5yOZD-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2500763dd3db37fad94d9b506907c59c2f5e97c6
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2500763dd3db37fad94d9b506907c59c2f5e97c6
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/platforms/52xx/
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306130405.uTv5yOZD-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/powerpc/platforms/52xx/lite5200_pm.c:47:12: error: stack frame size (1040) exceeds limit (1024) in 'lite5200_pm_prepare' [-Werror,-Wframe-larger-than]
47 | static int lite5200_pm_prepare(void)
| ^
1 error generated.
vim +/lite5200_pm_prepare +47 arch/powerpc/platforms/52xx/lite5200_pm.c
e6c5eb9541f219 Rafael J. Wysocki 2007-10-18 46
e6c5eb9541f219 Rafael J. Wysocki 2007-10-18 @47 static int lite5200_pm_prepare(void)
ee983079ce0464 Domen Puncer 2007-07-18 48 {
75ca399e82726f Grant Likely 2008-01-18 49 struct device_node *np;
66ffbe490b6156 Grant Likely 2008-01-24 50 const struct of_device_id immr_ids[] = {
66ffbe490b6156 Grant Likely 2008-01-24 51 { .compatible = "fsl,mpc5200-immr", },
66ffbe490b6156 Grant Likely 2008-01-24 52 { .compatible = "fsl,mpc5200b-immr", },
66ffbe490b6156 Grant Likely 2008-01-24 53 { .type = "soc", .compatible = "mpc5200", }, /* lite5200 */
66ffbe490b6156 Grant Likely 2008-01-24 54 { .type = "builtin", .compatible = "mpc5200", }, /* efika */
66ffbe490b6156 Grant Likely 2008-01-24 55 {}
66ffbe490b6156 Grant Likely 2008-01-24 56 };
2500763dd3db37 Rob Herring 2023-03-29 57 struct resource res;
75ca399e82726f Grant Likely 2008-01-18 58
ee983079ce0464 Domen Puncer 2007-07-18 59 /* deep sleep? let mpc52xx code handle that */
e6c5eb9541f219 Rafael J. Wysocki 2007-10-18 60 if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
e6c5eb9541f219 Rafael J. Wysocki 2007-10-18 61 return mpc52xx_pm_prepare();
ee983079ce0464 Domen Puncer 2007-07-18 62
e6c5eb9541f219 Rafael J. Wysocki 2007-10-18 63 if (lite5200_pm_target_state != PM_SUSPEND_MEM)
ee983079ce0464 Domen Puncer 2007-07-18 64 return -EINVAL;
ee983079ce0464 Domen Puncer 2007-07-18 65
ee983079ce0464 Domen Puncer 2007-07-18 66 /* map registers */
66ffbe490b6156 Grant Likely 2008-01-24 67 np = of_find_matching_node(NULL, immr_ids);
2500763dd3db37 Rob Herring 2023-03-29 68 of_address_to_resource(np, 0, &res);
75ca399e82726f Grant Likely 2008-01-18 69 of_node_put(np);
18d76ac9a47742 Tim Yamin 2008-06-17 70
2500763dd3db37 Rob Herring 2023-03-29 71 mbar = ioremap(res.start, 0xC000);
ee983079ce0464 Domen Puncer 2007-07-18 72 if (!mbar) {
ee983079ce0464 Domen Puncer 2007-07-18 73 printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
ee983079ce0464 Domen Puncer 2007-07-18 74 return -ENOSYS;
ee983079ce0464 Domen Puncer 2007-07-18 75 }
ee983079ce0464 Domen Puncer 2007-07-18 76
ee983079ce0464 Domen Puncer 2007-07-18 77 cdm = mbar + 0x200;
ee983079ce0464 Domen Puncer 2007-07-18 78 pic = mbar + 0x500;
ee983079ce0464 Domen Puncer 2007-07-18 79 gps = mbar + 0xb00;
ee983079ce0464 Domen Puncer 2007-07-18 80 gpw = mbar + 0xc00;
18d76ac9a47742 Tim Yamin 2008-06-17 81 pci = mbar + 0xd00;
ee983079ce0464 Domen Puncer 2007-07-18 82 bes = mbar + 0x1200;
ee983079ce0464 Domen Puncer 2007-07-18 83 xlb = mbar + 0x1f00;
ee983079ce0464 Domen Puncer 2007-07-18 84 sram = mbar + 0x8000;
ee983079ce0464 Domen Puncer 2007-07-18 85
ee983079ce0464 Domen Puncer 2007-07-18 86 return 0;
ee983079ce0464 Domen Puncer 2007-07-18 87 }
ee983079ce0464 Domen Puncer 2007-07-18 88
:::::: The code at line 47 was first introduced by commit
:::::: e6c5eb9541f2197a3ffab90b1c7a3250a9b51bf6 PM: Rework struct platform_suspend_ops
:::::: TO: Rafael J. Wysocki <rjw@...k.pl>
:::::: CC: Linus Torvalds <torvalds@...dy.linux-foundation.org>
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