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Subject: Re: [PATCH v4 0/5] PCI: dwc: Support remove
To:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Jisheng Zhang <Jisheng.Zhang@synaptics.com>
CC:     Jingoo Han <jingoohan1@gmail.com>,
        Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        Robin Murphy <robin.murphy@arm.com>
References: <20190329194750.265f6df6@xhacker.debian>
 <20190401134946.GA4722@e107981-ln.cambridge.arm.com>
From:   Vidya Sagar <vidyas@nvidia.com>
Message-ID: <aff1dc7f-1108-1df7-1ccb-11be08413e28@nvidia.com>
Date:   Wed, 3 Apr 2019 19:06:15 +0530
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Verified it with Tegra194 PCIe host controller driver, but had to do
EXPORT_SYMBOL_GPL() for a bunch of APIs.
I'll push changes to export all those APIs as part of Tegra194 PCIe driver patch series.

Thanks
Vidya Sagar

On 4/1/2019 7:20 PM, Lorenzo Pieralisi wrote:
> On Fri, Mar 29, 2019 at 11:55:36AM +0000, Jisheng Zhang wrote:
>> Currently, the PCI dwc host users don't support the remove, but nothing
>> prevent us from supporting it. To achieve this goal, we need to ensure
>> we can do necessary clean up work.
>>
>> Changes since v3:
>>    - add Gustavo's ACK to patch2, patch5
>>    - remove IS_ENABLED(CONFIG_PCI_MSI) check
>>
>> Changes since v2:
>>    - address all Gustavo's comments
>>    - add Gustavo's ACK to patch1, patch3, patch4
>>
>> Changes since v1:
>>    - address Bjorn's comments, I.E Capitalize, s/irq/IRQ/, s/msi/MSI/
>>
>>
>> Jisheng Zhang (5):
>>    PCI: dwc: Fix dw_pcie_free_msi() if msi_irq is invalid
>>    PCI: dwc: Free the page for MSI IRQ in dw_pcie_free_msi()
>>    PCI: dwc: Free MSI in the error code path of dw_pcie_host_init()
>>    PCI: dwc: Use devm_pci_alloc_host_bridge() to simplify the code
>>    PCI: dwc: Save root bus for driver remove
>>
>>   .../pci/controller/dwc/pcie-designware-host.c | 60 ++++++++++---------
>>   drivers/pci/controller/dwc/pcie-designware.h  |  2 +
>>   2 files changed, 34 insertions(+), 28 deletions(-)
>   
> Applied to pci/dwc for v5.2, thanks.
> 
> Lorenzo
>