Re: [PATCH v4 4/8] PCI: Replace dev_node parameter of of_pci_get_host_bridge_resources with device
From: Jan Kiszka
Date: Mon May 28 2018 - 09:30:30 EST
On 2018-05-28 12:00, Vladimir Zapolskiy wrote:
> Hi Jan, Bjorn,
>
> On 05/15/2018 12:07 PM, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>>
>> Another step towards a managed version of
>> of_pci_get_host_bridge_resources(): Feed in the underlying device,
>> rather than just the OF node. This will allow to use managed resource
>> allocation internally later on.
>>
>> CC: Jingoo Han <jingoohan1@xxxxxxxxx>
>> CC: Joao Pinto <Joao.Pinto@xxxxxxxxxxxx>
>> CC: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
>> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
>
> [snip]
>
>> diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c
>> index a6af62e0256d..61802e55a00c 100644
>> --- a/drivers/pci/host/pcie-altera.c
>> +++ b/drivers/pci/host/pcie-altera.c
>> @@ -488,11 +488,10 @@ static int altera_pcie_parse_request_of_pci_ranges(struct altera_pcie *pcie)
>> {
>> int err, res_valid = 0;
>> struct device *dev = &pcie->pdev->dev;
>> - struct device_node *np = dev->of_node;
>> struct resource_entry *win;
>>
>> - err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pcie->resources,
>> - NULL);
>> + err = of_pci_get_host_bridge_resources(dev, 0, 0xff
>> + &pcie->resources, NULL);
>> if (err)
>> return err;
>>
>
> In case if it is an undiscovered issue, a comma was mistakenly removed,
> which will result it compilation error.
>
> The problem is also found in pci/next , see commit 88e3909aa125.
Yes, that's known. We have a bisection breakage: The issue was fixed
again by patch 6 in that series.
Jan
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