On Wed, Oct 14, 2020 at 03:39:51PM +0800, kernel test robot wrote:
> Hi Michael,
>
> Thank you for the patch! Yet something to improve:
Wondering if you compile this at all...
> include/asm-generic/io.h:1017:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
> return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
> ~~~~~~~~~~ ^
> >> drivers/i2c/busses/i2c-designware-slave.c:181:42: error: expected ';' after expression
> dev->status = STATUS_WRITE_IN_PROGRESS
> ^
> ;
> >> drivers/i2c/busses/i2c-designware-slave.c:195:22: error: use of undeclared identifier 'STATUS_IDEL'
> if (dev->status != STATUS_IDEL) {
> ^
> 7 warnings and 2 errors generated.
--
With Best Regards,
Andy Shevchenko
