Re: [PATCH v3] PCI: Add quirk for preventing bus reset on TI C667X

On 12.3.2021 23.09, Bjorn Helgaas wrote: > On Mon, Mar 08, 2021 at 02:21:30PM +0000, Antti Järvinen wrote: >> Some TI KeyStone C667X devices do no support bus/hot reset. Its PCIESS >> automatically disables LTSSM when secondary bus reset is received and >> device stops

[PATCH v4] PCI: Add quirk for preventing bus reset on TI C667X

leak state between VMs. Reference: https://e2e.ti.com/support/processors/f/791/t/954382 Signed-off-by: Antti Järvinen --- drivers/pci/quirks.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 653660e3ba9e..d9201ad1ca39 100644 --- a

Re: [PATCH v2] PCI: quirk for preventing bus reset on TI C667X

On 7.3.2021 2.22, Krzysztof Wilczyński wrote: > Hi Antti, > > A few nitpicks, so feel free to ignore these, of course. > > If possible, capitalise the subject line. Also, perhaps "Add quirk to > prevent bus (...)" might read better. > >> Some TI keystone C667X devices do no support bus/hot r

[PATCH v3] PCI: Add quirk for preventing bus reset on TI C667X

leak state between VMs. Reference: https://e2e.ti.com/support/processors/f/791/t/954382 Signed-off-by: Antti Järvinen --- drivers/pci/quirks.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 653660e3ba9e..d9201ad1ca39 100644 --- a

[PATCH v2] PCI: quirk for preventing bus reset on TI C667X

leak state between VMs. Reference https://e2e.ti.com/support/processors/f/791/t/954382 Signed-off-by: Antti Järvinen --- drivers/pci/quirks.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 653660e3ba9e..d9201ad1ca39 100644 --- a

Re: [PATCH] PCI: quirk for preventing bus reset on TI C667X

On 22.1.2021 1.55, Bjorn Helgaas wrote:> > It looks like we would probably be trying a Secondary Bus Reset using > the bridge leading to the C667X. Can you confirm? Yes, this is my understanding too. > Wonder if you > could try doing what pci_reset_secondary_bus() does by hand: > I tried th

[PATCH] PCI: quirk for preventing bus reset on TI C667X

TI C667X does not support bus/hot reset. See https://e2e.ti.com/support/processors/f/791/t/954382 Signed-off-by: Antti Järvinen --- drivers/pci/quirks.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 653660e3ba9e..c8fcf24c5bd0 100644