diff mbox series

[v7,7/7] misc: pci_endpoint_test: Document a policy about adding pci_device_id

Message ID 20240415081135.3814373-8-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State New
Delegated to: Manivannan Sadhasivam
Headers show
Series PCI: rcar-gen4: Add R-Car V4H support | expand

Commit Message

Yoshihiro Shimoda April 15, 2024, 8:11 a.m. UTC 
To avoid becoming struct pci_device_id pci_endpoint_test_tbl longer
and longer, document a policy. For example, if PCIe endpoint controller
can configure vendor id and/or product id, you can reuse one of
existing entries to test.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
Cc: Frank Li <Frank.li@nxp.com>
---
 drivers/misc/pci_endpoint_test.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Frank Li April 15, 2024, 2:42 p.m. UTC | #1 
On Mon, Apr 15, 2024 at 05:11:35PM +0900, Yoshihiro Shimoda wrote:
> To avoid becoming struct pci_device_id pci_endpoint_test_tbl longer
> and longer, document a policy. For example, if PCIe endpoint controller
> can configure vendor id and/or product id, you can reuse one of
> existing entries to test.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Reviewed-by: Frank Li <Frank.Li@nxp.com>

> ---
> Cc: Frank Li <Frank.li@nxp.com>
> ---
>  drivers/misc/pci_endpoint_test.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
> index c38a6083f0a7..727db13b6450 100644
> --- a/drivers/misc/pci_endpoint_test.c
> +++ b/drivers/misc/pci_endpoint_test.c
> @@ -980,6 +980,7 @@ static const struct pci_endpoint_test_data j721e_data = {
>  	.irq_type = IRQ_TYPE_MSI,
>  };
>  
> +/* Do not add a new entry if the controller can use existing VID:PID combinations */
>  static const struct pci_device_id pci_endpoint_test_tbl[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA74x),
>  	  .driver_data = (kernel_ulong_t)&default_data,
> -- 
> 2.25.1
>
diff mbox series

Patch

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index c38a6083f0a7..727db13b6450 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -980,6 +980,7 @@  static const struct pci_endpoint_test_data j721e_data = {
 	.irq_type = IRQ_TYPE_MSI,
 };
 
+/* Do not add a new entry if the controller can use existing VID:PID combinations */
 static const struct pci_device_id pci_endpoint_test_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA74x),
 	  .driver_data = (kernel_ulong_t)&default_data,