linux-kernel - Re: [PATCH v7 3/6] pci:host: Add Altera PCIe host controller driver

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Date:	Wed, 23 Sep 2015 17:33:09 +0800
From:	Ley Foon Tan <lftan@...era.com>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH v7 3/6] pci:host: Add Altera PCIe host controller driver

On Wed, Sep 23, 2015 at 2:33 AM, Marc Zyngier <marc.zyngier@....com> wrote:
> On Mon, 21 Sep 2015 10:13:04 +0800
> Ley Foon Tan <lftan@...era.com> wrote:
>
>> This patch adds the Altera PCIe host controller driver.
>>
>> Signed-off-by: Ley Foon Tan <lftan@...era.com>
>> ---
>>  drivers/pci/host/Kconfig       |   8 +
>>  drivers/pci/host/Makefile      |   1 +
>>  drivers/pci/host/pcie-altera.c | 591 +++++++++++++++++++++++++++++++++++++++++
>>  3 files changed, 600 insertions(+)
>>  create mode 100644 drivers/pci/host/pcie-altera.c
>>
>> diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
>> index d5e58ba..df9ed4f 100644
>> --- a/drivers/pci/host/Kconfig
>> +++ b/drivers/pci/host/Kconfig
>> @@ -145,4 +145,12 @@ config PCIE_IPROC_BCMA
>>         Say Y here if you want to use the Broadcom iProc PCIe controller
>>         through the BCMA bus interface
>>
>> +config PCIE_ALTERA
>> +     tristate "Altera PCIe controller"
>> +     depends on ARCH_SOCFPGA || NIOS2
>> +     select PCI_DOMAINS
>> +     help
>> +       Say Y here if you want to enable PCIe controller support for Altera
>> +       SoCFPGA family of SoCs.
>> +
>
> Is there anything in this driver that is actually specific to any of
> these two platforms/architectures? I'd don't think we should restrict
> if we can avoid it (hint: the companion MSI driver is not restricted to
> any architecture).
No specific dependency on these 2 architectures. Then I will remove this.

Thanks.

Regards
Ley Foon
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