From: Jiapeng Chong > Sent: 21 January 2022 11:50 > Subject: [PATCH] staging: pi433: using div64_u64() instead of do_div() > > Clean the following coccicheck warning: > > ./drivers/staging/pi433/rf69.c:286:1-7: WARNING: do_div() does a > 64-by-32 division, please consider using div64_u64 instead. That is one of patchcheck's worse warnings. You need to check the domain of the divisor, not its type. do_div() exists to avoid expensive 64bit divides when the divisor is small. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
