Hi Gabriel, [auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on v4.5-rc1 next-20160127] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Gabriel-L-Somlo/SysFS-driver-for-QEMU-fw_cfg-device/20160128-111609 config: ia64-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All warnings (new ones prefixed by >>): >> drivers/firmware/qemu_fw_cfg.c:112:4: warning: #warning "QEMU FW_CFG may not be available on this architecture!" [-Wcpp] # warning "QEMU FW_CFG may not be available on this architecture!" ^ vim +112 drivers/firmware/qemu_fw_cfg.c 96 release_region(fw_cfg_p_base, fw_cfg_p_size); 97 } 98 } 99 100 /* arch-specific ctrl & data register offsets are not available in ACPI, DT */ 101 #if !(defined(FW_CFG_CTRL_OFF) && defined(FW_CTRL_DATA_OFF)) 102 # if (defined(CONFIG_ARM) || defined(CONFIG_ARM64)) 103 # define FW_CFG_CTRL_OFF 0x08 104 # define FW_CFG_DATA_OFF 0x00 105 # elif (defined(CONFIG_PPC_PMAC) || defined(CONFIG_SPARC32)) /* ppc/mac,sun4m */ 106 # define FW_CFG_CTRL_OFF 0x00 107 # define FW_CFG_DATA_OFF 0x02 108 # elif (defined(CONFIG_X86) || defined(CONFIG_SPARC64)) /* x86, sun4u */ 109 # define FW_CFG_CTRL_OFF 0x00 110 # define FW_CFG_DATA_OFF 0x01 111 # else > 112 # warning "QEMU FW_CFG may not be available on this architecture!" 113 # define FW_CFG_CTRL_OFF 0x00 114 # define FW_CFG_DATA_OFF 0x01 115 # endif 116 #endif 117 118 /* initialize fw_cfg device i/o from platform data */ 119 static int fw_cfg_do_platform_probe(struct platform_device *pdev) 120 { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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