> > > > The spi_nor{} is cloned from the m25p{}.
> > > > + struct spi_nor_xfer_cfg cfg;
> > > > +
> > > > + /* for write_reg */
> > > > + u8 cmd_buf[SPI_NOR_MAX_CMD_SIZE];
> > > > +
> > > > + /* the two fundamental primitives */
> > > > + int (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg
> > > > *cfg,
> > > > + u8 *buf, size_t len);
> > > > + int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg
> > > > *cfg,
> > > > + u8 *buf, size_t len);
> > > > +
> > > > + int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int
> > > > len);
> > > > + int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int
> > > > len,
> > > > + int write_enable);
> > >
> > > Does the vybrid really support accelerated SPI NOR register IO or does it
> >
> > The vybrid does not support the accelerated SPI NOR register IO.
> > these hooks are for Lee's driver.
>
> Which one please?
It's not in Mainline yet, but the patches are on the list.
If you search for st_spi_fsm, you'll find them.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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