Thanks for your quick response, I'm OK with most changes. Some comments inline. On Tue, Aug 04, 2020 at 08:56:12PM +0800, Wu, Hao wrote: > > Subject: [PATCH v3 4/4] fpga: dfl: add support for N3000 nios private feature > > > +#define NIOS_INIT0x1000 > > +#define NIOS_INIT_DONEBIT(0) > > +#define NIOS_INIT_STARTBIT(1) > > +/* Mode for PKVL A, link 0, the same below */ > > +#define REQ_FEC_MODE_A0_MSKGENMASK(9, 8) > > +#define REQ_FEC_MODE_A1_MSKGENMASK(11, 10) > > +#define REQ_FEC_MODE_A2_MSKGENMASK(13, 12) > > +#define REQ_FEC_MODE_A3_MSKGENMASK(15, 14) > > +#define REQ_FEC_MODE_B0_MSKGENMASK(17, 16) > > +#define REQ_FEC_MODE_B1_MSKGENMASK(19, 18) > > +#define REQ_FEC_MODE_B2_MSKGENMASK(21, 20) > > +#define REQ_FEC_MODE_B3_MSKGENMASK(23, 22) > > +#define REQ_FEC_MODE_NO0x0 > > +#define REQ_FEC_MODE_KR0x1 > > +#define REQ_FEC_MODE_RS0x2 > > What does REQ mean? It's the abbreviation of REQUEST, on spec these fields names REQUEST_FEC_MODE_X_X > > +/* ns is the abbreviation of nios_spi */ > > +static int ns_bus_poll_stat_timeout(void __iomem *base, u64 *v) > > Why adding "bus" here? I just see it's polling on register bits, right? > It's a little confusing on ns_bus. It is the polling for regmap read/write, the regmap is also called regbus, so I name ns_bus here. I could change the name, do you think there is confusing also for ns_bus_reg_read & ns_bus_reg_write? Thanks, Yilun.