[U-Boot] [PATCH V2 2/2] SPI: mxc_spi: add SPI clock calculation and setup to the driver

[Sergei Shtylyov]

Hello.

Stefano Babic wrote:

> From: Anatolij Gustschin <agust at denx.de>

> The MXC SPI driver didn't calculate the SPI clock up to
> now and just highest possible divider 512 for DATA
               ^
    I think "used" shouldn't have been ommitted here.

> RATE in the control register. This results in very low
> transfer rates.

> The patch adds code to calculate and setup the SPI clock
> frequency for transfers.

> Signed-off-by: Anatolij Gustschin <agust at denx.de>
> Signed-off-by: Stefano Babic <sbabic at denx.de>

WBR, Sergei