Messages in this thread | | | Subject | Re: [PATCH v5 1/5] PCI: designware: ensure ATU is enabled before IO/conf space accesses | From | Stanimir Varbanov <> | Date | Mon, 4 Jan 2016 16:31:27 +0200 |
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On 12/18/2015 04:41 PM, Pratyush Anand wrote: > On Fri, Dec 18, 2015 at 6:08 PM, Stanimir Varbanov > <stanimir.varbanov@linaro.org> 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 <stanimir.varbanov@linaro.org> > > Acked-by: Pratyush Anand <pratyush.anand@gmail.com>
Bjorn, Do you want to resend the whole patchset with collected acks and tested tags?
-- regards, Stan
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