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SubjectRe: [PATCH 3/6] PCI: Introduce devm_of_pci_get_host_bridge_resources
On 2018-04-28 00:24, Bjorn Helgaas wrote:
> On Tue, Apr 24, 2018 at 05:13:39PM +0200, Jan Kiszka wrote:
>> From: Jan Kiszka <>
>> of_pci_get_host_bridge_resources allocates the resource structures it
>> fills dynamically, but none of its callers care to release them so far.
>> Rather than requiring everyone to do this explicitly, introduce a
>> managed version of that service. This differs API-wise only in taking a
>> reference to the associated device, rather than to the device tree node.
>> As of_pci_get_host_bridge_resources is an exported interface, we cannot
>> simply drop it at this point. After converting all in-tree users to the
>> new API, we could phase out the unmanaged one over some grace period.
> It looks like it might be possible to split this into three or four
> patches:
> 1) Factor __of_pci_get_host_bridge_resources() out of
> of_pci_get_host_bridge_resources()
> 2) Add struct device * argument
> 3) Convert pr_info() to dev_info()
> 4) Add devm_of_pci_get_host_bridge_resources()

Will do. I'm even considering

5) mark of_pci_get_host_bridge_resources() __deprecated, due to the leak
and no remaining in-tree user - what do you think?


Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux

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