Marek Vasut [mailto:ma...@denx.de] > Sent: Tuesday, June 09, 2020 10:21 PM [...] > > +static void rtl_reset_bmu(struct r8152 *tp) > > +{ > > + u32 ocp_data; > > You're writing a byte, shouldn't that be u8 ?
The minimum length which is used to read or write the register of the device through control transfer is 4-byte. Therefore, I always use "u32" to access 1, 2, or 4 bytes data. Then, I don't need another variable to deal with it. Best Regards, Hayes