On Sun, Aug 23, 2015 at 02:20:58PM +0200, Heiner Kallweit wrote:

>  	/* Register for SPI Interrupt */
> -	ret = request_irq(mpc8xxx_spi->irq, fsl_espi_irq,
> +	ret = devm_request_irq(dev, mpc8xxx_spi->irq, fsl_espi_irq,
>  			  0, "fsl_espi", mpc8xxx_spi);

Also, are you *sure* this conversion is safe?  One trick with interrupts
is that the interrupt could still fire after the device removal function
runs since devm_ dealloacation runs after that.