[freescale-fslc:pr/483 2/9636] arch/arm/mach-imx/reboot.c:31:6: warning: no previous prototype for 'do_switch_recovery'

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/Freescale/linux-fslc pr/483
head:   65f148f24e613519a7fe64a9aa941f33e053feac
commit: bc552ba32d60e90cdb4a503c4174a80869f96fed [2/9636] MA-7633-2 [Android-Reboot]reboot to fastboot\recovery mode
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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
        # https://github.com/Freescale/linux-fslc/commit/bc552ba32d60e90cdb4a503c4174a80869f96fed
        git remote add freescale-fslc https://github.com/Freescale/linux-fslc
        git fetch --no-tags freescale-fslc pr/483
        git checkout bc552ba32d60e90cdb4a503c4174a80869f96fed
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/arm/mach-imx/reboot.c:31:6: warning: no previous prototype for 'do_switch_recovery' [-Wmissing-prototypes]
      31 | void do_switch_recovery(void)
         |      ^~~~~~~~~~~~~~~~~~
>> arch/arm/mach-imx/reboot.c:61:6: warning: no previous prototype for 'do_switch_fastboot' [-Wmissing-prototypes]
      61 | void do_switch_fastboot(void)
         |      ^~~~~~~~~~~~~~~~~~


vim +/do_switch_recovery +31 arch/arm/mach-imx/reboot.c

    30	
  > 31	void do_switch_recovery(void)
    32	{
    33		u32 reg;
    34		void *addr;
    35		struct clk *snvs_root;
    36		if (cpu_is_imx6()) {
    37			addr = ioremap(MX6_SNVS_BASE_ADDR, MX6_SNVS_SIZE);
    38			if (!addr) {
    39				pr_warn("SNVS ioremap failed!\n");
    40				return;
    41			}
    42			reg = __raw_readl(addr + MX6_SNVS_LPGPR);
    43			reg |= ANDROID_RECOVERY_BOOT;
    44			__raw_writel(reg, (addr + MX6_SNVS_LPGPR));
    45		} else {
    46			snvs_root = clk_get_sys("imx-snvs.0", "snvs");
    47			addr = ioremap(MX7_SNVS_BASE_ADDR, MX7_SNVS_SIZE);
    48			if (!addr) {
    49				pr_warn("SNVS ioremap failed!\n");
    50				return;
    51			}
    52			clk_enable(snvs_root);
    53			reg = __raw_readl(addr + MX7_SNVS_LPGPR);
    54			reg |= ANDROID_RECOVERY_BOOT;
    55			__raw_writel(reg, (addr + MX7_SNVS_LPGPR));
    56			clk_disable(snvs_root);
    57		}
    58		iounmap(addr);
    59	}
    60	
  > 61	void do_switch_fastboot(void)
    62	{
    63		u32 reg;
    64		void *addr;
    65		struct clk *snvs_root;
    66		if (cpu_is_imx6()) {
    67			addr = ioremap(MX6_SNVS_BASE_ADDR, MX6_SNVS_SIZE);
    68			if (!addr) {
    69				pr_warn("SNVS ioremap failed!\n");
    70				return;
    71			}
    72			reg = __raw_readl(addr + MX6_SNVS_LPGPR);
    73			reg |= ANDROID_FASTBOOT_BOOT;
    74			__raw_writel(reg, addr + MX6_SNVS_LPGPR);
    75		} else {
    76			snvs_root = clk_get_sys("imx-snvs.0", "snvs");
    77			addr = ioremap(MX7_SNVS_BASE_ADDR, MX7_SNVS_SIZE);
    78			if (!addr) {
    79				pr_warn("SNVS ioremap failed!\n");
    80				return;
    81			}
    82			clk_enable(snvs_root);
    83			reg = __raw_readl(addr + MX7_SNVS_LPGPR);
    84			reg |= ANDROID_FASTBOOT_BOOT;
    85			__raw_writel(reg, addr + MX7_SNVS_LPGPR);
    86			clk_disable(snvs_root);
    87		}
    88		iounmap(addr);
    89	}
    90	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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