Messages in this thread | | | Date | Sat, 3 Mar 2018 12:51:28 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v2] 8250-men-mcb: add support for 16z025 and 16z057 |
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Hi Michael,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tty/tty-testing] [also build test ERROR on v4.16-rc3 next-20180302] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Michael-Moese/8250-men-mcb-add-support-for-16z025-and-16z057/20180303-104548 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: sparc64-allyesconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc64
All errors (new ones prefixed by >>):
drivers/tty/serial/8250/8250_men_mcb.c: In function 'get_num_ports': >> drivers/tty/serial/8250/8250_men_mcb.c:59:10: error: implicit declaration of function 'readb' [-Werror=implicit-function-declaration] return readb(membase) >> 4; ^~~~~ cc1: some warnings being treated as errors
vim +/readb +59 drivers/tty/serial/8250/8250_men_mcb.c
51 52 static unsigned int get_num_ports(struct mcb_device *mdev, 53 void __iomem *membase) 54 { 55 switch (mdev->id) { 56 case MEN_UART_ID_Z125: 57 return 1U; 58 case MEN_UART_ID_Z025: > 59 return readb(membase) >> 4; 60 case MEN_UART_ID_Z057: 61 return 4U; 62 default: 63 dev_err(&mdev->dev, "no supported device!\n"); 64 return -ENODEV; 65 } 66 } 67
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