Hi Paul, On Mon, Mar 26, 2012 at 12:20, Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx> wrote: > [Re: [PATCH] bcma: fix build error on MIPS; implicit pcibios_enable_device] On 26/03/2012 (Mon 11:13) Julian Calaby wrote: > >> Hi Paul, >> >> On Mon, Mar 26, 2012 at 11:02, Paul Gortmaker >> <paul.gortmaker@xxxxxxxxxxxxx> wrote: >> > The following is seen during allmodconfig builds for MIPS: >> > >> > drivers/bcma/driver_pci_host.c:518:2: error: implicit declaration >> > of function 'pcibios_enable_device' [-Werror=implicit-function-declaration] >> > cc1: some warnings being treated as errors >> > make[3]: *** [drivers/bcma/driver_pci_host.o] Error 1 >> > >> > Most likey introduced by commit 49dc9577155576b10ff79f0c1486c816b01f58bf >> > >> > "bcma: add PCIe host controller" >> > >> > Add the header instead of implicitly assuming it will be present. >> > Sounds like a good idea, but that alone doesn't fix anything. >> > >> > The real problem is that the Kconfig has settings related to whether >> > PCI is possible, i.e. >> > >> > config BCMA_HOST_PCI_POSSIBLE >> > bool >> > depends on BCMA && PCI = y >> > default y >> > >> > config BCMA_HOST_PCI >> > bool "Support for BCMA on PCI-host bus" >> > depends on BCMA_HOST_PCI_POSSIBLE >> > >> > ...but what is missing is that BCMA_DRIVER_PCI_HOSTMODE doesn't >> > have any dependencies on the above. Add one. >> > >> > CC: Hauke Mehrtens <hauke@xxxxxxxxxx> >> > CC: John W. Linville <linville@xxxxxxxxxxxxx> >> > Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx> >> > >> > diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig >> > index c1172da..fb7c80f 100644 >> > --- a/drivers/bcma/Kconfig >> > +++ b/drivers/bcma/Kconfig >> > @@ -29,7 +29,7 @@ config BCMA_HOST_PCI >> > >> > config BCMA_DRIVER_PCI_HOSTMODE >> > bool "Driver for PCI core working in hostmode" >> > - depends on BCMA && MIPS >> > + depends on BCMA && MIPS && BCMA_HOST_PCI >> >> I don't know the hardware, but I'm sure there'd be situations >> (probably for embedded devices) where hostmode would be wanted without >> the PCI host support - so shouldn't this depend on >> BCMA_HOST_PCI_POSSIBLE? > > My reading of things is that BCMA_HOST_PCI is equivalent to, or > at most a subset of BCMA_HOST_PCI_POSSIBLE. But if the maintainers > want to tweak things accordingly, then great -- I'm just reporting > what I see in build failures. That's not the case. BCMA_HOST_PCI is a separate config option that depends on ...._POSSIBLE but is user selectable. ...._POSSIBLE isn't user selectable and is automatically "y" when the conditions for PCI support for BCMA are true. Thanks, -- Julian Calaby Email: julian.calaby@xxxxxxxxx Profile: http://www.google.com/profiles/julian.calaby/ .Plan: http://sites.google.com/site/juliancalaby/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html