Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [RFC v1 01/16] lib: devres: don't enclose pcim_*() functions in CONFIG_HAS_IOPORT | Date | Tue, 11 Dec 2012 10:43:49 +0000 |
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On Friday 07 December 2012, Thomas Petazzoni wrote: > The pcim_*() functions are used by the libata-sff subsystem, and this > subsystem is used for many SATA drivers on ARM platforms that do not > necessarily have I/O ports.
I think this one is wrong as the CONFIG_HAS_IOPORT does not refer to the presence of PIO ports but to whether or not they provide an ioport_map function. If there is no ioport_map(), devm_pci_iomap will fail to link as far as I can tell.
Arnd
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> > Cc: Paul Gortmaker <paul.gortmaker@windriver.com> > Cc: Jesse Barnes <jbarnes@virtuousgeek.org> > Cc: Yinghai Lu <yinghai@kernel.org> > Cc: linux-kernel@vger.kernel.org > --- > lib/devres.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/lib/devres.c b/lib/devres.c > index 80b9c76..5639c3e 100644 > --- a/lib/devres.c > +++ b/lib/devres.c > @@ -195,6 +195,7 @@ void devm_ioport_unmap(struct device *dev, void __iomem *addr) > devm_ioport_map_match, (void *)addr)); > } > EXPORT_SYMBOL(devm_ioport_unmap); > +#endif /* CONFIG_HAS_IOPORT */ > > #ifdef CONFIG_PCI > /* > @@ -400,4 +401,3 @@ void pcim_iounmap_regions(struct pci_dev *pdev, int mask) > } > EXPORT_SYMBOL(pcim_iounmap_regions); > #endif /* CONFIG_PCI */ > -#endif /* CONFIG_HAS_IOPORT */
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