On 12/07/2018 07:17 PM, Sergei Shtylyov wrote: > Hello! > > I'd already started the v2 driver review before you posted v3, so here goes... > > On 12/03/2018 12:18 PM, Mason Yang wrote: > >> Add a driver for Renesas R-Car Gen3 RPC SPI controller. >> >> Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx> > [...] >> diff --git a/drivers/spi/spi-renesas-rpc.c b/drivers/spi/spi-renesas-rpc.c >> new file mode 100644 >> index 0000000..ac9094e >> --- /dev/null >> +++ b/drivers/spi/spi-renesas-rpc.c >> @@ -0,0 +1,808 @@ > [...] >> +#define RPC_CMNCR 0x0000 /* R/W */ >> +#define RPC_CMNCR_MD BIT(31) >> +#define RPC_CMNCR_SFDE BIT(24) > > This bit is undocumented as of the gen3 manual v1.0. I'd like this to be reflected > in a comment... FYI, not even in v1.50 . -- Best regards, Marek Vasut