On Friday, December 11, 2015 2:49 PM, Jisheng Zhang wrote:
>
> On Fri, 11 Dec 2015 09:35:10 +0530 Pratyush Anand wrote:
>
> > On Wed, Dec 9, 2015 at 3:53 PM, Russell King - ARM Linux wrote:
> >
> > [...]
> >
> > >> > > dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
> > >> > > +
On 12/11/2015 06:05 AM, Pratyush Anand wrote:
> On Wed, Dec 9, 2015 at 3:53 PM, Russell King - ARM Linux
> wrote:
>
> [...]
>
> dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
> + /*
> + * ensure that the ATU enable has been happaned
On Thu, Dec 17, 2015 at 9:15 PM, Stanimir Varbanov
wrote:
>
> On 12/11/2015 06:05 AM, Pratyush Anand wrote:
> > On Wed, Dec 9, 2015 at 3:53 PM, Russell King - ARM Linux
> > wrote:
> >
> > [...]
> >
> > dw_pcie_writel_rc(pp,
On Wed, Dec 9, 2015 at 3:53 PM, Russell King - ARM Linux
wrote:
[...]
>> > > dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
>> > > + /*
>> > > + * ensure that the ATU enable has been happaned before accessing
>> > > + * pci configuration/io
On Fri, 11 Dec 2015 09:35:10 +0530 Pratyush Anand wrote:
> On Wed, Dec 9, 2015 at 3:53 PM, Russell King - ARM Linux wrote:
>
> [...]
>
> >> > > dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
> >> > > + /*
> >> > > + * ensure that the ATU enable has been happaned before
On Wed, Dec 09, 2015 at 10:10:05AM +0530, Pratyush Anand wrote:
> On Tue, Dec 8, 2015 at 2:31 PM, Stanimir Varbanov
> wrote:
> >
> > On 12/03/2015 03:35 PM, Stanimir Varbanov wrote:
> > > Add 'write memory' barrier after enable region in PCIE_ATU_CR2
> > > register.
On 12/09/2015 11:52 AM, Arnd Bergmann wrote:
> On Wednesday 09 December 2015 10:10:05 Pratyush Anand wrote:
>> On Tue, Dec 8, 2015 at 2:31 PM, Stanimir Varbanov
Signed-off-by: Stanimir Varbanov
---
drivers/pci/host/pcie-designware.c |5 +
On Wednesday 09 December 2015 10:10:05 Pratyush Anand wrote:
> On Tue, Dec 8, 2015 at 2:31 PM, Stanimir Varbanov
> > > Signed-off-by: Stanimir Varbanov
> > > ---
> > > drivers/pci/host/pcie-designware.c |5 +
> > > 1 file changed, 5 insertions(+)
> > >
> > >
On 12/03/2015 03:35 PM, Stanimir Varbanov wrote:
> Add 'write memory' barrier after enable region in PCIE_ATU_CR2
> register. The barrier is needed to ensure that the region enable
> request has been reached it's destination at time when we
> read/write to PCI configuration space.
>
> Without
On Tue, Dec 8, 2015 at 2:31 PM, Stanimir Varbanov
wrote:
>
> On 12/03/2015 03:35 PM, Stanimir Varbanov wrote:
> > Add 'write memory' barrier after enable region in PCIE_ATU_CR2
> > register. The barrier is needed to ensure that the region enable
> > request has been
Add 'write memory' barrier after enable region in PCIE_ATU_CR2
register. The barrier is needed to ensure that the region enable
request has been reached it's destination at time when we
read/write to PCI configuration space.
Without this barrier PCI device enumeration during kernel boot
is not
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