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SubjectRe: [PATCHv2] PCI: QDF2432 32 bit config space accessors
Hi Bjorn,

On 2016-10-31 15:48, Bjorn Helgaas wrote:
> On Wed, Sep 21, 2016 at 06:38:05PM -0400, Christopher Covington wrote:
>> The Qualcomm Technologies QDF2432 SoC does not support accesses
>> smaller
>> than 32 bits to the PCI configuration space. Register the appropriate
>> quirk.
>> Signed-off-by: Christopher Covington <>
> Hi Christopher,
> Can you rebase this against v4.9-rc1? It no longer applies to my tree.

I apologize for not being clearer. This patch depends on:

PCI/ACPI: Extend pci_mcfg_lookup() responsibilities
PCI/ACPI: Check platform-specific ECAM quirks

These patches from Tomasz Nowicki were previously in your pci/ecam-v6
branch, but that seems to have come and gone. How would you like to

> Note that this hardware is not spec-compliant since it doesn't support
> sub-32 bit config writes. I just proposed a patch to warn about that
> [1], so if/when we merge that patch and this one, you'll start seeing
> those warnings.
> [1]

That looks great, thank you. The earlier PCI HDL and SoC vendors can be
made aware of such problems, the better.


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