On Tuesday 30 December 2014 13:28:32 Rob Herring wrote: > From: Rob Herring <robh@xxxxxxxxxx> > > Disable the Versatile PCI DT node when no PCI backplane is detected. This > will prevent the Versatile PCI driver from probing when PCI is not > populated. Can you explain why the check is done in platform code instead of the PCI driver probe function itself? > + /* Check if PCI backplane is detected */ > + val = __raw_readl(base + VERSATILE_SYS_PCICTL_OFFSET); > + if (val & 1) > + goto err; Using __raw_readl prevents this from working with big-endian kernels, so just use readl here. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
