tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: 51d22e855ea3459d4b272e46aff95de0e59e65a7 commit: 88eaaecc44461f9fb147bf7ee6ccc6d4e9fc23e0 [36/40] usb: host: Enable compile testing for some of drivers config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 88eaaecc44461f9fb147bf7ee6ccc6d4e9fc23e0 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from drivers/usb/host/ehci-platform.c:37:0: drivers/usb/host/ehci.h: In function 'ehci_readl': drivers/usb/host/ehci.h:743:3: error: implicit declaration of function 'readl_be'; did you mean 'readsb'? [-Werror=implicit-function-declaration] readl_be(regs) : ^~~~~~~~ readsb drivers/usb/host/ehci.h: In function 'ehci_writel': >> drivers/usb/host/ehci.h:767:3: error: implicit declaration of function 'writel_be'; did you mean 'writeb'? [-Werror=implicit-function-declaration] writel_be(val, regs) : ^~~~~~~~~ writeb cc1: some warnings being treated as errors vim +767 drivers/usb/host/ehci.h 91bc4d31e81b15 Vladimir Barinov 2007-12-30 737 083522d76662cd Benjamin Herrenschmidt 2006-12-15 738 static inline unsigned int ehci_readl(const struct ehci_hcd *ehci, 083522d76662cd Benjamin Herrenschmidt 2006-12-15 739 __u32 __iomem *regs) 083522d76662cd Benjamin Herrenschmidt 2006-12-15 740 { d728e327d4f86d Benjamin Herrenschmidt 2006-12-28 741 #ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO 083522d76662cd Benjamin Herrenschmidt 2006-12-15 742 return ehci_big_endian_mmio(ehci) ? 68f50e52554a0a Al Viro 2007-02-09 @743 readl_be(regs) : 68f50e52554a0a Al Viro 2007-02-09 744 readl(regs); d728e327d4f86d Benjamin Herrenschmidt 2006-12-28 745 #else 68f50e52554a0a Al Viro 2007-02-09 746 return readl(regs); d728e327d4f86d Benjamin Herrenschmidt 2006-12-28 747 #endif 083522d76662cd Benjamin Herrenschmidt 2006-12-15 748 } 083522d76662cd Benjamin Herrenschmidt 2006-12-15 749 feffe09f510c47 Peter Chen 2014-01-10 750 #ifdef CONFIG_SOC_IMX28 feffe09f510c47 Peter Chen 2014-01-10 751 static inline void imx28_ehci_writel(const unsigned int val, feffe09f510c47 Peter Chen 2014-01-10 752 volatile __u32 __iomem *addr) feffe09f510c47 Peter Chen 2014-01-10 753 { feffe09f510c47 Peter Chen 2014-01-10 754 __asm__ ("swp %0, %0, [%1]" : : "r"(val), "r"(addr)); feffe09f510c47 Peter Chen 2014-01-10 755 } feffe09f510c47 Peter Chen 2014-01-10 756 #else feffe09f510c47 Peter Chen 2014-01-10 757 static inline void imx28_ehci_writel(const unsigned int val, feffe09f510c47 Peter Chen 2014-01-10 758 volatile __u32 __iomem *addr) feffe09f510c47 Peter Chen 2014-01-10 759 { feffe09f510c47 Peter Chen 2014-01-10 760 } feffe09f510c47 Peter Chen 2014-01-10 761 #endif 083522d76662cd Benjamin Herrenschmidt 2006-12-15 762 static inline void ehci_writel(const struct ehci_hcd *ehci, 083522d76662cd Benjamin Herrenschmidt 2006-12-15 763 const unsigned int val, __u32 __iomem *regs) 083522d76662cd Benjamin Herrenschmidt 2006-12-15 764 { d728e327d4f86d Benjamin Herrenschmidt 2006-12-28 765 #ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO 083522d76662cd Benjamin Herrenschmidt 2006-12-15 766 ehci_big_endian_mmio(ehci) ? 68f50e52554a0a Al Viro 2007-02-09 @767 writel_be(val, regs) : 68f50e52554a0a Al Viro 2007-02-09 768 writel(val, regs); d728e327d4f86d Benjamin Herrenschmidt 2006-12-28 769 #else feffe09f510c47 Peter Chen 2014-01-10 770 if (ehci->imx28_write_fix) feffe09f510c47 Peter Chen 2014-01-10 771 imx28_ehci_writel(val, regs); feffe09f510c47 Peter Chen 2014-01-10 772 else 68f50e52554a0a Al Viro 2007-02-09 773 writel(val, regs); d728e327d4f86d Benjamin Herrenschmidt 2006-12-28 774 #endif 083522d76662cd Benjamin Herrenschmidt 2006-12-15 775 } 8cd42e97bf451b Kumar Gala 2006-01-20 776 :::::: The code at line 767 was first introduced by commit :::::: 68f50e52554a0a55dfe2e3fdf659ee0569d73c3f [PATCH] hci_{read,write}l() does force casts to wrong type for no reason :::::: TO: Al Viro <viro@xxxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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