RE: [EXTERNAL] Re: [PATCH v4 5/5] spi: cadence: Add MRVL overlay xfer operation support

From: Witold Sadowski
Date: Mon May 27 2024 - 04:21:03 EST


> ----------------------------------------------------------------------
> On 09/05/2024 03:05, Witold Sadowski wrote:
> > MRVL Xfer overlay extend xSPI capabilities, to support non-memory SPI
> > operations. Marvell overlay combined with generic command allows to
> > create full-duplex SPI transactions. It also allows to create
> > transaction with undetermined transaction length - with cs_hold
> > parameter, and ability to extend CS signal assertion, even if xSPI
> > block requests CS signal de-assertion.
> >
>
>
> > +
> > static int cdns_xspi_probe(struct platform_device *pdev) {
> > struct device *dev = &pdev->dev;
> > @@ -905,6 +1140,16 @@ static int cdns_xspi_probe(struct platform_device
> *pdev)
> > return PTR_ERR(cdns_xspi->auxbase);
> > }
> >
> > + if (cdns_xspi->mrvl_hw_overlay) {
> > + res = platform_get_resource(pdev, IORESOURCE_MEM, 3);
> > + cdns_xspi->xferbase = devm_ioremap_resource(dev, res);
>
> Use proper wrapper/helper for these two. This looks like you are working
> on old, downstream kernel.

Ok, changed to devm_devm_platform_ioremap_resource()

>
> Best regards,
> Krzysztof

Regards
Witek