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

2021-02-17 Thread Bjorn Helgaas
On Thu, Jan 21, 2021 at 05:55:47PM -0600, Bjorn Helgaas wrote: > On Tue, Jan 12, 2021 at 03:36:43PM +, Antti Järvinen wrote: > > TI C667X does not support bus/hot reset. > > See https://e2e.ti.com/support/processors/f/791/t/954382 > > You can cite the URL as the source, but the URL will

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

2021-01-29 Thread Bjorn Helgaas
On Tue, Jan 26, 2021 at 01:22:18PM +0200, Antti Järvinen wrote: > 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

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

2021-01-26 Thread Antti Järvinen
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

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

2021-01-21 Thread Bjorn Helgaas
[+cc Alex, Murali, Kishon] On Tue, Jan 12, 2021 at 03:36:43PM +, Antti Järvinen wrote: > TI C667X does not support bus/hot reset. > See https://e2e.ti.com/support/processors/f/791/t/954382 You can cite the URL as the source, but the URL will eventually become stale, so let's include the

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

2021-01-12 Thread Antti Järvinen
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