Messages in this thread | | | Date | Tue, 21 May 2024 12:33:28 +0200 | Subject | Re: [PATCH v4 5/5] spi: cadence: Add MRVL overlay xfer operation support | From | Krzysztof Kozlowski <> |
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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.
Best regards, Krzysztof
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