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From: Vidya Sagar <vidyas@nvidia.com>
To: <bhelgaas@google.com>
Cc: <lorenzo.pieralisi@arm.com>, <robh+dt@kernel.org>,
	<mark.rutland@arm.com>, <thierry.reding@gmail.com>,
	<jonathanh@nvidia.com>, <kishon@ti.com>,
	<catalin.marinas@arm.com>, <will.deacon@arm.com>,
	<jingoohan1@gmail.com>, <gustavo.pimentel@synopsys.com>,
	<digetx@gmail.com>, <mperttunen@nvidia.com>,
	<linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <kthota@nvidia.com>,
	<mmaddireddy@nvidia.com>, <sagar.tv@gmail.com>
Subject: Re: [PATCH V12 01/12] PCI: Add #defines for some of PCIe spec r4.0 features
Date: Tue, 9 Jul 2019 19:08:46 +0530	[thread overview]
Message-ID: <841a79fa-24ff-8710-456a-44f081230d8f@nvidia.com> (raw)
In-Reply-To: <66d8af45-66f5-b597-0ea8-39e8662df5e6@nvidia.com>

On 7/5/2019 7:16 PM, Vidya Sagar wrote:
Bjorn,
Apologies for pinging again about this.
Can you please provide Ack for this change so that Lorenzo can pick up this series?

Thanks,
Vidya Sagar

> On 7/1/2019 6:09 PM, Vidya Sagar wrote:
> Bjorn,
> Can you please provide Ack for this patch?
> 
> Thanks,
> Vidya Sagar
> 
>> Add #defines only for the Data Link Feature and Physical Layer 16.0 GT/s
>> features.
>>
>> Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
>> Reviewed-by: Thierry Reding <treding@nvidia.com>
>> ---
>> Changes since [v11]:
>> * None
>>
>> Changes since [v10]:
>> * None
>>
>> Changes since [v9]:
>> * None
>>
>> Changes since [v8]:
>> * None
>>
>> Changes since [v7]:
>> * None
>>
>> Changes since [v6]:
>> * None
>>
>> Changes since [v5]:
>> * None
>>
>> Changes since [v4]:
>> * None
>>
>> Changes since [v3]:
>> * None
>>
>> Changes since [v2]:
>> * Updated commit message and description to explicitly mention that defines are
>>    added only for some of the features and not all.
>>
>> Changes since [v1]:
>> * None
>>
>>   include/uapi/linux/pci_regs.h | 22 +++++++++++++++++++++-
>>   1 file changed, 21 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
>> index f28e562d7ca8..1c79f6a097d2 100644
>> --- a/include/uapi/linux/pci_regs.h
>> +++ b/include/uapi/linux/pci_regs.h
>> @@ -713,7 +713,9 @@
>>   #define PCI_EXT_CAP_ID_DPC    0x1D    /* Downstream Port Containment */
>>   #define PCI_EXT_CAP_ID_L1SS    0x1E    /* L1 PM Substates */
>>   #define PCI_EXT_CAP_ID_PTM    0x1F    /* Precision Time Measurement */
>> -#define PCI_EXT_CAP_ID_MAX    PCI_EXT_CAP_ID_PTM
>> +#define PCI_EXT_CAP_ID_DLF    0x25    /* Data Link Feature */
>> +#define PCI_EXT_CAP_ID_PL    0x26    /* Physical Layer 16.0 GT/s */
>> +#define PCI_EXT_CAP_ID_MAX    PCI_EXT_CAP_ID_PL
>>   #define PCI_EXT_CAP_DSN_SIZEOF    12
>>   #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40
>> @@ -1053,4 +1055,22 @@
>>   #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE    0xe0000000  /* LTR_L1.2_THRESHOLD_Scale */
>>   #define PCI_L1SS_CTL2        0x0c    /* Control 2 Register */
>> +/* Data Link Feature */
>> +#define PCI_DLF_CAP        0x04    /* Capabilities Register */
>> +#define  PCI_DLF_LOCAL_DLF_SUP_MASK    0x007fffff  /* Local Data Link Feature Supported */
>> +#define  PCI_DLF_EXCHANGE_ENABLE    0x80000000  /* Data Link Feature Exchange Enable */
>> +#define PCI_DLF_STS        0x08    /* Status Register */
>> +#define  PCI_DLF_REMOTE_DLF_SUP_MASK    0x007fffff  /* Remote Data Link Feature Supported */
>> +#define  PCI_DLF_REMOTE_DLF_SUP_VALID    0x80000000  /* Remote Data Link Feature Support Valid */
>> +
>> +/* Physical Layer 16.0 GT/s */
>> +#define PCI_PL_16GT_CAP        0x04    /* Capabilities Register */
>> +#define PCI_PL_16GT_CTRL    0x08    /* Control Register */
>> +#define PCI_PL_16GT_STS        0x0c    /* Status Register */
>> +#define PCI_PL_16GT_LDPM_STS    0x10    /* Local Data Parity Mismatch Status Register */
>> +#define PCI_PL_16GT_FRDPM_STS    0x14    /* First Retimer Data Parity Mismatch Status Register */
>> +#define PCI_PL_16GT_SRDPM_STS    0x18    /* Second Retimer Data Parity Mismatch Status Register */
>> +#define PCI_PL_16GT_RSVD    0x1C    /* Reserved */
>> +#define PCI_PL_16GT_LE_CTRL    0x20    /* Lane Equalization Control Register */
>> +
>>   #endif /* LINUX_PCI_REGS_H */
>>
> 


  reply	other threads:[~2019-07-09 13:38 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-01 12:39 [PATCH V12 00/12] Add Tegra194 PCIe support Vidya Sagar
2019-07-01 12:39 ` [PATCH V12 01/12] PCI: Add #defines for some of PCIe spec r4.0 features Vidya Sagar
2019-07-05 13:46   ` Vidya Sagar
2019-07-09 13:38     ` Vidya Sagar [this message]
2019-07-09 14:14   ` Bjorn Helgaas
2019-07-10  5:18     ` Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 02/12] PCI: Disable MSI for Tegra root ports Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 03/12] PCI: dwc: Perform dbi regs write lock towards the end Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 04/12] PCI: dwc: Move config space capability search API Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 05/12] PCI: dwc: Add ext " Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 06/12] dt-bindings: PCI: designware: Add binding for CDM register check Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 07/12] PCI: dwc: Add support to enable " Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 08/12] dt-bindings: Add PCIe supports-clkreq property Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 09/12] dt-bindings: PCI: tegra: Add device tree support for Tegra194 Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 10/12] dt-bindings: PHY: P2U: Add Tegra194 P2U block Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 11/12] phy: tegra: Add PCIe PIPE2UPHY support Vidya Sagar
2019-07-01 12:40 ` [PATCH V12 12/12] PCI: tegra: Add Tegra194 PCIe support Vidya Sagar

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