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SubjectRe: [PATCH] drivers: gpio: add virtio-gpio guest driver
Hi "Enrico,

I love your patch! Yet something to improve:

[auto build test ERROR on gpio/for-next]
[also build test ERROR on linux/master linus/master v5.10-rc5 next-20201127]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in]

base: for-next
config: c6x-randconfig-p002-20201128 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add linux-review
git fetch --no-tags linux-review Enrico-Weigelt-metux-IT-consult/drivers-gpio-add-virtio-gpio-guest-driver/20201128-023506
git checkout a134ec4827b0ffb7edd6a292238bd93fb377f127
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x

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

All errors (new ones prefixed by >>):

>> error: include/uapi/linux/virtio_gpio.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier
make[2]: *** [scripts/Makefile.headersinst:63: usr/include/linux/virtio_gpio.h] Error 1
make[2]: Target '__headers' not remade because of errors.
make[1]: *** [Makefile:1288: headers] Error 2
arch/c6x/kernel/asm-offsets.c:14:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
14 | void foo(void)
| ^~~
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

0-DAY CI Kernel Test Service, Intel Corporation
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