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* [PATCH] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform
@ 2021-09-20 15:41 Nehal Bakulchandra Shah
  2021-10-11 12:59 ` Shah, Nehal-bakulchandra
  0 siblings, 1 reply; 3+ messages in thread
From: Nehal Bakulchandra Shah @ 2021-09-20 15:41 UTC (permalink / raw)
  To: mathias.nyman, gregkh
  Cc: linux-usb, linux-kernel, Nehal Bakulchandra Shah,
	Shyam Sundar S K, Mario Limonciello, Basavaraj Natikar

AMD's Yellow Carp platform supports runtime power management for
XHCI Controllers, so enable the same by default for all XHCI Controllers.

Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
---
 drivers/usb/host/xhci-pci.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 2c9f25ca8edd..0e571d6af2ab 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -69,6 +69,12 @@
 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI			0x1242
 #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI			0x2142
 #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI			0x3242
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1	0x161a
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2	0x161b
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3	0x161d
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4	0x161e
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5	0x15d6
+#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6	0x15d7
 
 static const char hcd_name[] = "xhci_hcd";
 
@@ -313,6 +319,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	     pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4))
 		xhci->quirks |= XHCI_NO_SOFT_RETRY;
 
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    (pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 ||
+	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6))
+		xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
+
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
 				"QUIRK: Resetting on resume");
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform
  2021-09-20 15:41 [PATCH] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform Nehal Bakulchandra Shah
@ 2021-10-11 12:59 ` Shah, Nehal-bakulchandra
  2021-10-13 15:18   ` Mathias Nyman
  0 siblings, 1 reply; 3+ messages in thread
From: Shah, Nehal-bakulchandra @ 2021-10-11 12:59 UTC (permalink / raw)
  To: mathias.nyman, gregkh
  Cc: linux-usb, linux-kernel, Shyam Sundar S K, Mario Limonciello,
	Basavaraj Natikar

Hi

On 9/20/2021 9:11 PM, Nehal Bakulchandra Shah wrote:
> AMD's Yellow Carp platform supports runtime power management for
> XHCI Controllers, so enable the same by default for all XHCI Controllers.
> 
> Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
> Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
> Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
> ---
>   drivers/usb/host/xhci-pci.c | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
> index 2c9f25ca8edd..0e571d6af2ab 100644
> --- a/drivers/usb/host/xhci-pci.c
> +++ b/drivers/usb/host/xhci-pci.c
> @@ -69,6 +69,12 @@
>   #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI			0x1242
>   #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI			0x2142
>   #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI			0x3242
> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1	0x161a
> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2	0x161b
> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3	0x161d
> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4	0x161e
> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5	0x15d6
> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6	0x15d7
>   
>   static const char hcd_name[] = "xhci_hcd";
>   
> @@ -313,6 +319,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
>   	     pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4))
>   		xhci->quirks |= XHCI_NO_SOFT_RETRY;
>   
> +	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
> +	    (pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1 ||
> +	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2 ||
> +	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 ||
> +	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 ||
> +	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 ||
> +	    pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6))
> +		xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
> +
>   	if (xhci->quirks & XHCI_RESET_ON_RESUME)
>   		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
>   				"QUIRK: Resetting on resume");
> 

ping

Thanks
Nehal

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform
  2021-10-11 12:59 ` Shah, Nehal-bakulchandra
@ 2021-10-13 15:18   ` Mathias Nyman
  0 siblings, 0 replies; 3+ messages in thread
From: Mathias Nyman @ 2021-10-13 15:18 UTC (permalink / raw)
  To: Shah, Nehal-bakulchandra, mathias.nyman, gregkh
  Cc: linux-usb, linux-kernel, Shyam Sundar S K, Mario Limonciello,
	Basavaraj Natikar

On 11.10.2021 15.59, Shah, Nehal-bakulchandra wrote:
> Hi
> 
> On 9/20/2021 9:11 PM, Nehal Bakulchandra Shah wrote:
>> AMD's Yellow Carp platform supports runtime power management for
>> XHCI Controllers, so enable the same by default for all XHCI Controllers.
>>
>> Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
>> Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
>> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
>> Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
>> ---
>>   drivers/usb/host/xhci-pci.c | 15 +++++++++++++++
>>   1 file changed, 15 insertions(+)
>>
>> diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
>> index 2c9f25ca8edd..0e571d6af2ab 100644
>> --- a/drivers/usb/host/xhci-pci.c
>> +++ b/drivers/usb/host/xhci-pci.c
>> @@ -69,6 +69,12 @@
>>   #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI            0x1242
>>   #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI            0x2142
>>   #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI            0x3242
>> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1    0x161a
>> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2    0x161b
>> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3    0x161d
>> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4    0x161e
>> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5    0x15d6
>> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6    0x15d7
>>     static const char hcd_name[] = "xhci_hcd";
>>   @@ -313,6 +319,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
>>            pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4))
>>           xhci->quirks |= XHCI_NO_SOFT_RETRY;
>>   +    if (pdev->vendor == PCI_VENDOR_ID_AMD &&
>> +        (pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1 ||
>> +        pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2 ||
>> +        pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 ||
>> +        pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 ||
>> +        pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 ||
>> +        pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6))
>> +        xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
>> +
>>       if (xhci->quirks & XHCI_RESET_ON_RESUME)
>>           xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
>>                   "QUIRK: Resetting on resume");
>>
> 
> ping
> 

Now sent forward to Greg, thanks

-Mathias


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-10-13 15:17 UTC | newest]

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2021-09-20 15:41 [PATCH] usb: xhci: Enable runtime-pm by default on AMD Yellow Carp platform Nehal Bakulchandra Shah
2021-10-11 12:59 ` Shah, Nehal-bakulchandra
2021-10-13 15:18   ` Mathias Nyman

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