>+ msi_mask = of_get_property(dev->dev.of_node, "msi-mask", NULL);
> >+ if (!msi_mask) {
> >+ err = -1;
> >+ goto error_out;
> >+ }
>
> This will return non zero value to probe function which would call
ppc4xx_msi_remove() function. In the ppc4xx_msi_remove() function there is
iounamp() fuction.
Thanks,
Marri
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