On 4 March 2015 at 07:19, Rafał Miłecki <zajec5@xxxxxxxxx> wrote: > On 3 March 2015 at 22:16, Chen Gang <xili_gchen_5257@xxxxxxxxxxx> wrote: >> bcma also needs PCI, just like IOMEM and DMA, so let it depend on PCI, >> or will cause building break for allmodconfig under c6x: >> >> CC [M] drivers/bcma/driver_pcie2.o >> drivers/bcma/driver_pcie2.c: In function 'bcma_core_pcie2_up': >> drivers/bcma/driver_pcie2.c:196:8: error: implicit declaration of function 'pcie_set_readrq' [-Werror=implicit-function-declaration] >> err = pcie_set_readrq(dev, pcie2->reqsize); >> ^ >> >> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx> >> --- >> drivers/bcma/Kconfig | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig >> index 0ee48be..8be284e 100644 >> --- a/drivers/bcma/Kconfig >> +++ b/drivers/bcma/Kconfig >> @@ -1,6 +1,6 @@ >> config BCMA_POSSIBLE >> bool >> - depends on HAS_IOMEM && HAS_DMA >> + depends on HAS_IOMEM && HAS_DMA && PCI >> default y >> >> menu "Broadcom specific AMBA" >> -- >> 1.9.3 > > Hm, I'm not sure how to ideally handle this. Cc-ing few ppl, maybe > they have something to add. > > In fact there are SoCs (not using PCI host code obviously) with > everything embedded (without any PCI host mode cores). So note > following info about driver_pci.c and driver_pcie2.c: > 1) For BCMA_HOST_PCI > They are required, because of needed host-related PCI(e) core initialization. > 2) For BCMA_HOST_SOC > They are needed only if your SoC has PCI(e) host cores and you want to use them. > > So I guess in theory we could have BCMA_DRIVER_PCI and *require* it > for BCMA_HOST_PCI only. After thinking about this. We already have Kconfig entries for other internal drivers, so I guess it makes sense to do the same for PCIe. -- Rafał -- 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