2022-09-26 14:12:59

by Vidya Sagar

Subject: [PATCH V2 0/2] Disable PTM for endpoint mode

This patch series contains patches to disable PTM for endpoint mode
as the PCIe compliance tool requires the PTM be disabled for the endpoint
mode.

V2:
* Addressed review comments from Jingoo Han

Vidya Sagar (2):
PCI: Add PCI_PTM_CAP_RES macro
PCI: designware-ep: Disable PTM capabilities for EP mode

.../pci/controller/dwc/pcie-designware-ep.c | 18 ++++++++++++++++++
include/uapi/linux/pci_regs.h | 1 +
2 files changed, 19 insertions(+)

--
2.17.1

2022-09-26 14:16:06

by Vidya Sagar

Subject: [PATCH V2 1/2] PCI: Add PCI_PTM_CAP_RES macro

Add macro defining Responder capable bit in Precision Time Measurement
capability register.

Signed-off-by: Vidya Sagar <[email protected]>
Reviewed-by: Jingoo Han <[email protected]>
---
V2:
* Added "Reviewed-by: Jingoo Han <[email protected]>"

include/uapi/linux/pci_regs.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 57b8e2ffb1dd..1c3591c8e09e 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -1058,6 +1058,7 @@
/* Precision Time Measurement */
#define PCI_PTM_CAP 0x04 /* PTM Capability */
#define PCI_PTM_CAP_REQ 0x00000001 /* Requester capable */
+#define PCI_PTM_CAP_RES 0x00000002 /* Responder capable */
#define PCI_PTM_CAP_ROOT 0x00000004 /* Root capable */
#define PCI_PTM_GRANULARITY_MASK 0x0000FF00 /* Clock granularity */
#define PCI_PTM_CTRL 0x08 /* PTM Control */
--
2.17.1

2022-09-27 19:42:52

by Bjorn Helgaas

Subject: Re: [PATCH V2 1/2] PCI: Add PCI_PTM_CAP_RES macro

On Mon, Sep 26, 2022 at 04:40:16PM +0530, Vidya Sagar wrote:
> Add macro defining Responder capable bit in Precision Time Measurement
> capability register.
>
> Signed-off-by: Vidya Sagar <[email protected]>
> Reviewed-by: Jingoo Han <[email protected]>

Acked-by: Bjorn Helgaas <[email protected]>

> ---
> V2:
> * Added "Reviewed-by: Jingoo Han <[email protected]>"
>
> include/uapi/linux/pci_regs.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index 57b8e2ffb1dd..1c3591c8e09e 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -1058,6 +1058,7 @@
> /* Precision Time Measurement */
> #define PCI_PTM_CAP 0x04 /* PTM Capability */
> #define PCI_PTM_CAP_REQ 0x00000001 /* Requester capable */
> +#define PCI_PTM_CAP_RES 0x00000002 /* Responder capable */
> #define PCI_PTM_CAP_ROOT 0x00000004 /* Root capable */
> #define PCI_PTM_GRANULARITY_MASK 0x0000FF00 /* Clock granularity */
> #define PCI_PTM_CTRL 0x08 /* PTM Control */
> --
> 2.17.1
>

2022-10-10 06:16:06

by Vidya Sagar

Subject: Re: [PATCH V2 0/2] Disable PTM for endpoint mode

Hi Lorenzo,
Do you have any further comments on this series?

Thanks,
Vidya Sagar

On 9/26/2022 4:40 PM, Vidya Sagar wrote:
> This patch series contains patches to disable PTM for endpoint mode
> as the PCIe compliance tool requires the PTM be disabled for the endpoint
> mode.
>
> V2:
> * Addressed review comments from Jingoo Han
>
> Vidya Sagar (2):
> PCI: Add PCI_PTM_CAP_RES macro
> PCI: designware-ep: Disable PTM capabilities for EP mode
>
> .../pci/controller/dwc/pcie-designware-ep.c | 18 ++++++++++++++++++
> include/uapi/linux/pci_regs.h | 1 +
> 2 files changed, 19 insertions(+)
>