On Fri, Sep 03, 2021 at 08:10:38AM +0000, Parshuram Raju Thombare wrote:

> >> +	master->mode_bits = SPI_3WIRE | SPI_TX_DUAL  | SPI_TX_QUAD  |
> >> +		SPI_RX_DUAL | SPI_RX_QUAD | SPI_TX_OCTAL | SPI_RX_OCTAL
> >|
> >> +		SPI_MODE_0  | SPI_MODE_3;

> >I don't see any handling of these in the code?

> This is just to declare controller's capability, so that spi_setup() can modify
> spi->mode according to the capability of attached device.

In order for this to work I would expect there to be code in the driver
which configures the controller into the specified mode.