Message ID | 20240210-topic-8280_pcie-v2-0-1cef4b606883@linaro.org |
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[83.9.31.12]) by smtp.gmail.com with ESMTPSA id lg25-20020a170907181900b00a3c1e1ca800sm973242ejc.11.2024.02.10.09.10.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Feb 2024 09:10:11 -0800 (PST) From: Konrad Dybcio <konrad.dybcio@linaro.org> Subject: [PATCH v2 0/3] Qualcomm PCIe RC shutdown & reinit Date: Sat, 10 Feb 2024 18:10:04 +0100 Message-Id: <20240210-topic-8280_pcie-v2-0-1cef4b606883@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: <linux-kernel.vger.kernel.org> List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOytx2UC/x3MQQqAIBBA0avErBOmQUG7SkSEjTUbE40IpLsnL d/i/wqFs3CBsauQ+ZYiZ2ygvgN/rHFnJVszEJJGGlBdZxKvLFlckhdW3ulg7GAskoNWpcxBnv8 4ze/7ATcsVpVhAAAA To: Bjorn Andersson <andersson@kernel.org>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Lorenzo Pieralisi <lpieralisi@kernel.org>, =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= <kw@linux.com>, Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Philipp Zabel <p.zabel@pengutronix.de> Cc: linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold <johan+linaro@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Bjorn Andersson <quic_bjorande@quicinc.com> X-Mailer: b4 0.13-dev-0438c X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790532690623429718 X-GMAIL-MSGID: 1790532690623429718 |
Series |
Qualcomm PCIe RC shutdown & reinit
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Message
Konrad Dybcio
Feb. 10, 2024, 5:10 p.m. UTC
This series implements shutdown & reinitialization of the PCIe RC on
system suspend. Tested on 8280-crd.
Changes in v2:
* Rebase
* Get rid of "Cache last icc bandwidth", use icc_enable instead
* Don't permanently assert reset on clk enable fail in "Reshuffle reset.."
* Drop fixes tag in "Reshuffle reset.."
* Improve commit messages of "Reshuffle reset.." and "Implement RC shutdown.."
* Only set icc tag on RPMh SoCs
* Pick up rb
Link to v1: https://lore.kernel.org/linux-arm-msm/20231227-topic-8280_pcie-v1-0-095491baf9e4@linaro.org/
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
Konrad Dybcio (3):
PCI: qcom: reshuffle reset logic in 2_7_0 .init
PCI: qcom: Read back PARF_LTSSM register
PCI: qcom: properly implement RC shutdown/power up
drivers/pci/controller/dwc/Kconfig | 1 +
drivers/pci/controller/dwc/pcie-qcom.c | 178 +++++++++++++++++++++++++--------
2 files changed, 135 insertions(+), 44 deletions(-)
---
base-commit: 445a555e0623387fa9b94e68e61681717e70200a
change-id: 20240210-topic-8280_pcie-c94f58158029
Best regards,