[U-Boot] [PATCH] mx28: fix i.MX28 spi driver

[Stefano Babic]

On 14/01/2012 13:25, Matthias Fuchs wrote:
> The generic spi flash driver (drivers/mtd/spi/spi_flash.c) uses the
> spi low level driver's spi_xfer() function with len=0 to deassert the
> SPI flash' chip select. But the i.MX28 spi driver rejects this call
> due to len=0.
> 
> This patch implements an exception for len=0 with the SPI_XFER_END
> flag set. This results in an extra read with the chip select being
> deasserted afterwards. There seems to be no way to deassert the signal
> by hand.
> 
> Signed-off-by: Matthias Fuchs <matthias.fuchs at esd.eu>
> ---

Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic

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