From: Bjorn Andersson <andersson@kernel.org>
To: cros-qcom-dts-watchers@chromium.org,
"Konrad Dybcio" <konradybcio@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Manivannan Sadhasivam" <mani@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Krishna Chaitanya Chundru" <krishna.chundru@oss.qualcomm.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
quic_vbadigan@quicinc.com, quic_mrana@quicinc.com,
quic_vpernami@quicinc.com, mmareddy@quicinc.com,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Subject: Re: (subset) [PATCH v8 0/5] PCI: dwc: Add ECAM support with iATU configuration
Date: Mon, 27 Oct 2025 17:37:06 -0500 [thread overview]
Message-ID: <176160465177.73268.9869510926279916233.b4-ty@kernel.org> (raw)
In-Reply-To: <20250828-ecam_v4-v8-0-92a30e0fa02d@oss.qualcomm.com>
On Thu, 28 Aug 2025 13:04:21 +0530, Krishna Chaitanya Chundru wrote:
> The current implementation requires iATU for every configuration
> space access which increases latency & cpu utilization.
>
> Designware databook 5.20a, section 3.10.10.3 says about CFG Shift Feature,
> which shifts/maps the BDF (bits [31:16] of the third header DWORD, which
> would be matched against the Base and Limit addresses) of the incoming
> CfgRd0/CfgWr0 down to bits[27:12]of the translated address.
>
> [...]
Applied, thanks!
[1/5] arm64: dts: qcom: sc7280: Increase config size to 256MB for ECAM feature
commit: 03e928442d469f7d8dafc549638730647202d9ce
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
next prev parent reply other threads:[~2025-10-27 22:35 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-28 7:34 [PATCH v8 0/5] PCI: dwc: Add ECAM support with iATU configuration Krishna Chaitanya Chundru
2025-08-28 7:34 ` [PATCH v8 1/5] arm64: dts: qcom: sc7280: Increase config size to 256MB for ECAM feature Krishna Chaitanya Chundru
2025-08-28 7:34 ` [PATCH v8 2/5] PCI: dwc: Add support for ELBI resource mapping Krishna Chaitanya Chundru
2025-08-31 11:48 ` Manivannan Sadhasivam
2025-09-01 6:55 ` Krishna Chaitanya Chundru
2025-09-01 9:07 ` Manivannan Sadhasivam
2025-09-01 13:44 ` Manivannan Sadhasivam
2025-09-01 13:48 ` Manivannan Sadhasivam
2025-09-03 18:56 ` Bjorn Helgaas
2025-08-28 7:34 ` [PATCH v8 3/5] PCI: dwc: qcom: Switch to dwc " Krishna Chaitanya Chundru
2025-09-03 19:14 ` Bjorn Helgaas
2025-09-05 11:43 ` Manivannan Sadhasivam
2025-08-28 7:34 ` [PATCH v8 4/5] PCI: dwc: Add ECAM support with iATU configuration Krishna Chaitanya Chundru
2025-09-01 13:52 ` Manivannan Sadhasivam
2025-09-03 20:10 ` Bjorn Helgaas
2025-09-05 12:13 ` Manivannan Sadhasivam
2025-08-28 7:34 ` [PATCH v8 5/5] PCI: qcom: Add support for ECAM feature Krishna Chaitanya Chundru
2025-09-03 19:57 ` Bjorn Helgaas
2025-09-05 5:08 ` Krishna Chaitanya Chundru
2025-09-05 5:08 ` Krishna Chaitanya Chundru
2025-09-12 21:07 ` Bjorn Helgaas
2025-09-15 7:18 ` Krishna Chaitanya Chundru
2025-09-15 22:14 ` Bjorn Helgaas
2025-09-03 20:12 ` Bjorn Helgaas
2025-09-05 5:17 ` Krishna Chaitanya Chundru
2025-09-05 15:26 ` Bjorn Helgaas
2025-09-05 16:38 ` Manivannan Sadhasivam
2025-09-05 19:08 ` Bjorn Helgaas
2025-09-06 10:44 ` Manivannan Sadhasivam
2025-09-01 13:42 ` (subset) [PATCH v8 0/5] PCI: dwc: Add ECAM support with iATU configuration Manivannan Sadhasivam
2025-10-27 22:37 ` Bjorn Andersson [this message]
2025-10-28 17:42 ` Krishna Chaitanya Chundru
2025-11-10 18:21 ` Bjorn Andersson
2025-11-13 3:57 ` Krishna Chaitanya Chundru
2025-11-13 17:33 ` Bjorn Andersson
2025-11-14 3:23 ` Krishna Chaitanya Chundru
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