Subject: [PATCH v5 1/5] PCI: designware: ensure ATU is enabled before IO/conf space accesses

From: [email-masked] (Stanimir Varbanov)
Date: Mon, 4 Jan 2016 16:31:27 +0200

On 12/18/2015 04:41 PM, Pratyush Anand wrote:
> On Fri, Dec 18, 2015 at 6:08 PM, Stanimir Varbanov
> <[email-masked]> wrote:
>> There is no guarantees that enabling ATU will hit the hardware
>> immediately, and subsequent accesses to configuration / IO spaces
>> are reliable. So fixing this by read back PCIE_ATU_CR2 register
>> just after writing.
>>
>> Without such a fix the PCI device enumeration during kernel boot
>> is not reliable, and reading configuration space for particular
>> PCI device on the bus returns zero aka no device.
>>
>> Signed-off-by: Stanimir Varbanov <[email-masked]>
> 
> Acked-by: Pratyush Anand <[email-masked]>

Bjorn, Do you want to resend the whole patchset with collected acks and
tested tags?

-- 
regards,
Stan