linux-kernel - Re: [PATCH V6 1/3] PCI/ASPM: Add pci_enable_default_link

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Date:   Tue, 1 Mar 2022 05:38:23 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     "David E. Box" <david.e.box@...ux.intel.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        nirmal.patel@...ux.intel.com, jonathan.derrick@...ux.dev,
        lorenzo.pieralisi@....com, kw@...ux.com, robh@...nel.org,
        bhelgaas@...gle.com, michael.a.bottini@...ux.intel.com,
        rafael@...nel.org, me@...ityamohan.in, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 1/3] PCI/ASPM: Add pci_enable_default_link_state()

On Tue, Mar 01, 2022 at 05:31:51AM -0800, David E. Box wrote:
> > Is there any reason the ASPM_* values aren't passed directly to this
> > function?
> 
> The ASPM_* macors aren't visible outside of aspm.c whereas the
> PCIE_LINK_STATE_* macros are defined in pci.h. This is similar to what
> is done for pci_disable_link_state().

Ok.  This looks a little weird but I guess we should stick to the
existing pattern here.