Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-07-09 Thread Manivannan Sadhasivam
On Mon, Jul 07, 2025 at 01:29:22PM GMT, Niklas Cassel wrote: > + Mani's kernel.org email. > > On Mon, Jul 07, 2025 at 01:05:39PM +0200, Niklas Cassel wrote: > > Hello Mani, > > > > On Fri, May 30, 2025 at 09:39:28PM +0530, Manivannan Sadhasivam wrote: > > > On Fri, May 30, 2025 at 06:34:04AM -050

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-07-07 Thread Niklas Cassel
+ Mani's kernel.org email. On Mon, Jul 07, 2025 at 01:05:39PM +0200, Niklas Cassel wrote: > Hello Mani, > > On Fri, May 30, 2025 at 09:39:28PM +0530, Manivannan Sadhasivam wrote: > > On Fri, May 30, 2025 at 06:34:04AM -0500, Bjorn Helgaas wrote: > > > > > I think pci_host_handle_link_down() shou

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-07-07 Thread Niklas Cassel
Hello Mani, On Fri, May 30, 2025 at 09:39:28PM +0530, Manivannan Sadhasivam wrote: > On Fri, May 30, 2025 at 06:34:04AM -0500, Bjorn Helgaas wrote: > > > I think pci_host_handle_link_down() should take a Root Port, not a > > host bridge, and the controller driver should figure out which port > >

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-06-02 Thread Bjorn Helgaas
On Fri, May 30, 2025 at 09:39:28PM +0530, Manivannan Sadhasivam wrote: > On Fri, May 30, 2025 at 06:34:04AM -0500, Bjorn Helgaas wrote: > > On Fri, May 30, 2025 at 09:16:59AM +0530, Manivannan Sadhasivam wrote: > > > On Wed, May 28, 2025 at 05:35:00PM -0500, Bjorn Helgaas wrote: > > > > On Thu, May

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-06-02 Thread Bjorn Helgaas
On Thu, May 08, 2025 at 12:40:33PM +0530, Manivannan Sadhasivam wrote: > The PCI link, when down, needs to be recovered to bring it back. But that > cannot be done in a generic way as link recovery procedure is specific to > host bridges. So add a new API pci_host_handle_link_down() that could be >

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-30 Thread Manivannan Sadhasivam
On Fri, May 30, 2025 at 06:34:04AM -0500, Bjorn Helgaas wrote: > On Fri, May 30, 2025 at 09:16:59AM +0530, Manivannan Sadhasivam wrote: > > On Wed, May 28, 2025 at 05:35:00PM -0500, Bjorn Helgaas wrote: > > > On Thu, May 08, 2025 at 12:40:33PM +0530, Manivannan Sadhasivam wrote: > > > > The PCI lin

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-30 Thread Bjorn Helgaas
On Fri, May 30, 2025 at 09:16:59AM +0530, Manivannan Sadhasivam wrote: > On Wed, May 28, 2025 at 05:35:00PM -0500, Bjorn Helgaas wrote: > > On Thu, May 08, 2025 at 12:40:33PM +0530, Manivannan Sadhasivam wrote: > > > The PCI link, when down, needs to be recovered to bring it back. But that > > > ca

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-29 Thread Manivannan Sadhasivam
On Wed, May 28, 2025 at 05:35:00PM -0500, Bjorn Helgaas wrote: > On Thu, May 08, 2025 at 12:40:33PM +0530, Manivannan Sadhasivam wrote: > > The PCI link, when down, needs to be recovered to bring it back. But that > > cannot be done in a generic way as link recovery procedure is specific to > > hos

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-28 Thread Bjorn Helgaas
On Thu, May 08, 2025 at 12:40:33PM +0530, Manivannan Sadhasivam wrote: > The PCI link, when down, needs to be recovered to bring it back. But that > cannot be done in a generic way as link recovery procedure is specific to > host bridges. So add a new API pci_host_handle_link_down() that could be >

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-14 Thread Manivannan Sadhasivam
On Wed, May 14, 2025 at 12:00:11PM +0530, Krishna Chaitanya Chundru wrote: > > > On 5/8/2025 12:40 PM, Manivannan Sadhasivam wrote: > > The PCI link, when down, needs to be recovered to bring it back. But that > > cannot be done in a generic way as link recovery procedure is specific to > > host

Re: [PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-13 Thread Krishna Chaitanya Chundru
On 5/8/2025 12:40 PM, Manivannan Sadhasivam wrote: The PCI link, when down, needs to be recovered to bring it back. But that cannot be done in a generic way as link recovery procedure is specific to host bridges. So add a new API pci_host_handle_link_down() that could be called by the host bri

[PATCH v4 4/5] PCI: host-common: Add link down handling for host bridges

2025-05-08 Thread Manivannan Sadhasivam
The PCI link, when down, needs to be recovered to bring it back. But that cannot be done in a generic way as link recovery procedure is specific to host bridges. So add a new API pci_host_handle_link_down() that could be called by the host bridge drivers when the link goes down. The API will itera