arch/powerpc/platforms/52xx/lite5200_pm.c:47:12: error: stack frame size (1040) exceeds limit (1024) in 'lite5200_pm_prepare'

arch/powerpc/platforms/52xx/lite5200_pm.c:47:12: error: stack frame size (1040) exceeds limit (1024) in 'lite5200_pm_prepare'

[kernel test robot]

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@intel.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@sisk.pl>
:::::: CC: Linus Torvalds <torvalds@woody.linux-foundation.org>

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