On Wed, Jun 02, 2021 at 04:57:39PM +0800, Weihang Li wrote: > From: Lang Cheng <chenglang@xxxxxxxxxx> > > GCC may reports an running time assert error when a value calculated from > ib_mtu_enum_to_int() is using as 'val' in FIELD_PREDP: > > include/linux/compiler_types.h:328:38: error: call to > '__compiletime_assert_1524' declared with attribute error: FIELD_PREP: > value too large for the field Huh? This warning looks reliable to me, you should not suppress it like this. > But actually this error will still exists even if the driver can ensure > that ib_mtu_enum_to_int() returns a legal value. So add a mask in > hr_reg_write() to avoid above warning. I think you need to have an if that ib_mtu_enum_to_int() is not negative, that should satisfy the CFA? Jason
