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Message-ID: <20170316202009.GD9739@bhelgaas-glaptop.roam.corp.google.com>
Date: Thu, 16 Mar 2017 15:20:09 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Jon Mason <jon.mason@...adcom.com>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org,
bcm-kernel-feedback-list@...adcom.com,
Jon Mason <jonmason@...adcom.com>
Subject: Re: [PATCH] PCI: iproc: Add PCI_DOMAIN dependency to PCI Kconfig
On Wed, Mar 01, 2017 at 10:53:13AM -0500, Jon Mason wrote:
> From: Jon Mason <jonmason@...adcom.com>
>
> 2+ PCI devices fail to be discovered due to each bus having the same
> PCI domain. This is because the domain defined in the device tree file
> is not being added due to PCI_DOMAIN not being enabled. So, every PCI
> bus has a domain of zero. When PCI_DOMAIN is selected by the Kconfig,
> it picks-up the domain defined in the device tree file and everything
> works as expected.
>
> Since both PCIE_IPROC_PLATFORM and PCIE_IPROC_BCMA need PCI_DOMAIN,
> moving it to PCIE_IPROC (so it can be automatically selected for both).
>
> Signed-off-by: Jon Mason <jonmason@...adcom.com>
Applied to pci/host-iproc for v4.12, thanks, Jon!
> ---
> drivers/pci/host/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
> index 898d2c4..82496b6 100644
> --- a/drivers/pci/host/Kconfig
> +++ b/drivers/pci/host/Kconfig
> @@ -165,6 +165,7 @@ config PCI_VERSATILE
>
> config PCIE_IPROC
> tristate
> + select PCI_DOMAINS
> help
> This enables the iProc PCIe core controller support for Broadcom's
> iProc family of SoCs. An appropriate bus interface driver needs
> @@ -185,7 +186,6 @@ config PCIE_IPROC_BCMA
> depends on ARM && (ARCH_BCM_IPROC || COMPILE_TEST)
> select PCIE_IPROC
> select BCMA
> - select PCI_DOMAINS
> default ARCH_BCM_5301X
> help
> Say Y here if you want to use the Broadcom iProc PCIe controller
> --
> 2.7.4
>
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