Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-05-08 Thread Manivannan Sadhasivam
On Thu, Apr 24, 2025 at 10:31:00AM +0530, Manivannan Sadhasivam wrote: > On Fri, Apr 18, 2025 at 08:11:47AM +0530, Krishna Chaitanya Chundru wrote: > > > > > > On 4/17/2025 10:46 PM, Manivannan Sadhasivam via B4 Relay wrote: > > > From: Manivannan Sadhasivam > > > > > > The PCIe link can go dow

Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-05-05 Thread Manivannan Sadhasivam
On Mon, May 05, 2025 at 05:05:10PM +0200, Niklas Cassel wrote: > Hello Mani, > > On Thu, Apr 17, 2025 at 10:46:31PM +0530, Manivannan Sadhasivam via B4 Relay > wrote: > > @@ -1571,6 +1652,9 @@ static irqreturn_t qcom_pcie_global_irq_thread(int > > irq, void *data) > > pci_unlock_resc

Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-05-05 Thread Niklas Cassel
Hello Mani, On Thu, Apr 17, 2025 at 10:46:31PM +0530, Manivannan Sadhasivam via B4 Relay wrote: > @@ -1571,6 +1652,9 @@ static irqreturn_t qcom_pcie_global_irq_thread(int irq, > void *data) > pci_unlock_rescan_remove(); > > qcom_pcie_icc_opp_update(pcie); > + }

Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-04-23 Thread Manivannan Sadhasivam
On Thu, Apr 24, 2025 at 10:41:24AM +0530, Krishna Chaitanya Chundru wrote: > > > On 4/24/2025 10:30 AM, Manivannan Sadhasivam wrote: > > On Fri, Apr 18, 2025 at 08:11:47AM +0530, Krishna Chaitanya Chundru wrote: > > > > > > > > > On 4/17/2025 10:46 PM, Manivannan Sadhasivam via B4 Relay wrote:

Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-04-23 Thread Krishna Chaitanya Chundru
On 4/24/2025 10:30 AM, Manivannan Sadhasivam wrote: On Fri, Apr 18, 2025 at 08:11:47AM +0530, Krishna Chaitanya Chundru wrote: On 4/17/2025 10:46 PM, Manivannan Sadhasivam via B4 Relay wrote: From: Manivannan Sadhasivam The PCIe link can go down under circumstances such as the device fir

Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-04-23 Thread Manivannan Sadhasivam
On Fri, Apr 18, 2025 at 08:11:47AM +0530, Krishna Chaitanya Chundru wrote: > > > On 4/17/2025 10:46 PM, Manivannan Sadhasivam via B4 Relay wrote: > > From: Manivannan Sadhasivam > > > > The PCIe link can go down under circumstances such as the device firmware > > crash, link instability, etc...

[PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-04-18 Thread Manivannan Sadhasivam via B4 Relay
From: Manivannan Sadhasivam The PCIe link can go down under circumstances such as the device firmware crash, link instability, etc... When that happens, the PCIe slot needs to be reset to make it operational again. Currently, the driver is not handling the link down event, due to which the users

Re: [PATCH v3 5/5] PCI: qcom: Add support for resetting the slot due to link down event

2025-04-17 Thread Krishna Chaitanya Chundru
On 4/17/2025 10:46 PM, Manivannan Sadhasivam via B4 Relay wrote: From: Manivannan Sadhasivam The PCIe link can go down under circumstances such as the device firmware crash, link instability, etc... When that happens, the PCIe slot needs to be reset to make it operational again. Currently, t