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Tue, 14 Feb 2023 12:13:45 +0000 (GMT) From: Shradha Todi To: lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, krzysztof.kozlowski+dt@linaro.org, alim.akhtar@samsung.com, jingoohan1@gmail.com, Sergey.Semin@baikalelectronics.ru, lukas.bulwahn@gmail.com, hongxing.zhu@nxp.com, tglx@linutronix.de, m.szyprowski@samsung.com, jh80.chung@samsung.co, pankaj.dubey@samsung.com Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Shradha Todi Subject: [PATCH 00/16] Refactor Exynos PCIe driver to make it generic Date: Tue, 14 Feb 2023 17:43:17 +0530 Message-Id: <20230214121333.1837-1-shradha.t@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrEJsWRmVeSWpSXmKPExsWy7bCmpm7s1NfJBsdesFk8mLeNzWJJU4bF /CPnWC1mbZvLaPHx9zkWixVfZrJb9L14yGzR0POb1WLT42usFpd3zWGzODvvOJvFjPP7mCxa /rSwWLQcbWexWHvkLrvFoq1f2C3+79nBbvFn+gcWi97DtRabN01ldhDxeLPpO7vHzll32T0W bCr12LSqk83jzrU9bB7vzp1j93hyZTqTx+Yl9R4b3+1g8ljU8JHNo2/LKkaPz5vkAniism0y UhNTUosUUvOS81My89JtlbyD453jTc0MDHUNLS3MlRTyEnNTbZVcfAJ03TJzgN5UUihLzCkF CgUkFhcr6dvZFOWXlqQqZOQXl9gqpRak5BSYFOgVJ+YWl+al6+WlllgZGhgYmQIVJmRndJ5d xVwwib/i1+aiBsY2ni5GTg4JAROJLfNuMnYxcnEICexmlOjfOZcdwvnEKLH983RWCOczo8Ty b6uZYFrmNn+BSuxilJi//AlUfyuTxK6j65lBqtgEtCQav3YxgyREBG4xSbz8/BBsMLPAKUaJ Ay/2AjkcHMICrhL7lueDNLAIqEp8uLQELMwrYClxcjnUgfISqzccAJsjIbCHQ2Jhwy9mkBoJ AReJpf8DIWqEJV4d38IOYUtJfH63lw3CTpdYuXkGM4SdI/Ft8xKoD+wlDlyZwwIyhllAU2L9 Ln2IsKzE1FPrwEqYBfgken8/gSrnldgxD8ZWlvjydw8LhC0pMe/YZVYI20Pi8/QjYHEhgViJ prY3rBMYZWchbFjAyLiKUTK1oDg3PbXYtMAoL7UcHk/J+bmbGMGJV8trB+PDBx/0DjEycTAe YpTgYFYS4RV++iJZiDclsbIqtSg/vqg0J7X4EKMpMMQmMkuJJucDU39eSbyhiaWBiZmZmYml sZmhkjivuu3JZCGB9MSS1OzU1ILUIpg+Jg5OqQYmsae6CtzxKaohLKlCn441qXB4Wb/9Mtcq fe8D2dvS2kvmLM77fl987l+lnKnO2w3ZpWOWbFmw8qMal13smmvib7fPVQ6Mmbm/qkSc5bfj qSnz+05lNbBIaE/4/9ig+lZ3/W4XrV1bzzreZnE7xi12YWPl1BlNPP/MKu86rjv5I9JOInpi 9W7/Ds/D6pKCfGzP7zGez/gg9++HxfPcSV+be9I2Zk79p9kjZn1SdN2LdoElFR+C4kqfa0rI P5+T8ran6FdW0ZLnOsoTLd1OFKzNXxd3Paioa9p7j4k9pYJ7GxLn+E7O/DgvrzZRLSiQzfju AXd98xBXx4XKmz2Y0069Dp0VVG15Zs6jppeF/IZKLMUZiYZazEXFiQBuU2XPRQQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrHLMWRmVeSWpSXmKPExsWy7bCSnO6fqtfJBlMbZC0ezNvGZrGkKcNi /pFzrBazts1ltPj4+xyLxYovM9kt+l48ZLZo6PnNarHp8TVWi8u75rBZnJ13nM1ixvl9TBYt f1pYLFqOtrNYrD1yl91i0dYv7Bb/9+xgt/gz/QOLRe/hWovNm6YyO4h4vNn0nd1j56y77B4L NpV6bFrVyeZx59oeNo93586xezy5Mp3JY/OSeo+N73YweSxq+Mjm0bdlFaPH501yATxRXDYp qTmZZalF+nYJXBmdZ1cxF0zir/i1uaiBsY2ni5GTQ0LARGJu8xfWLkYuDiGBHYwSS5f9ZINI SEp8vriOCcIWllj57zk7RFEzk8THJ5fBEmwCWhKNX7uYQRIiAq+YJA7vmQHmMAtcYJS4dbAb qIWDQ1jAVWLf8nyQBhYBVYkPl5aAhXkFLCVOLoe6Ql5i9YYDzBMYeRYwMqxilEwtKM5Nzy02 LDDKSy3XK07MLS7NS9dLzs/dxAiOAi2tHYx7Vn3QO8TIxMF4iFGCg1lJhFf46YtkId6UxMqq 1KL8+KLSnNTiQ4zSHCxK4rwXuk7GCwmkJ5akZqemFqQWwWSZODilGphKfniZiR5PSOo8k5og Pffni6+TDpqrHjnh4CUif/1+0IQq2c19230EZLwuf+hduUb94ZuK3UvPLNqnrTPv9ouz+fm2 D/YrLhb4PPeE6r3zEyvnfFf0tPlXs8jnW7+sr+BuvUtL9eRbP/md7G/dM8F7aY+Zr/z0hV9u Xvt77/+CSZXyPSKt6lzrGV+fZq2WtTjdfubo2hM+r1dYv/P18ey6dzgt+GqqnpLHo+RHx5/P UL6X/TLwsLpP3i3228E61+9Hp2UqzU+c7LXgzYXmWyXKJ5yLmzprpb/v2FokJH5ndYZFbq+1 99+dUh/EN/29JcyVJ/hAuD0g4ZTVv1/SLnlXEvMfvzimmH3br/fuI/WzSizFGYmGWsxFxYkA kfOhw/ECAAA= X-CMS-MailID: 20230214121348epcas5p48a3b2b225f616d748cc20622d01edb97 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230214121348epcas5p48a3b2b225f616d748cc20622d01edb97 References: X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757815818834934257?= X-GMAIL-MSGID: =?utf-8?q?1757815818834934257?= Currently pci-exynos is being used as a PCIe driver for Exynos5433 only. This patch set refactors the driver to make it extensible to other Samsung manufactured SoCs having DWC PCIe controllers. The major change points are: - Renaming all common functions/structures to use "samsung" instead of "exynos". Make common probe/remove/suspend/resume - Making clock/regulator get/enable/disable generic - Adding private struct to hold platform specific function ops Shradha Todi (16): dt-bindings: PCI: Rename Exynos PCIe binding to Samsung PCIe PCI: exynos: Rename Exynos PCIe driver to Samsung PCIe PCI: samsung: Change macro names to exynos specific PCI: samsung: Use clock bulk API to get clocks dt-bindings: PCI: Rename the term elbi to appl arm64: dts: exynos: Rename the term elbi to appl PCI: samsung: Rename the term elbi to appl PCI: samsung: Rename exynos_pcie to samsung_pcie PCI: samsung: Make common appl readl/writel functions dt-bindings: PCI: Add phy-names as required property arm64: dts: exynos: Add phy-names as DT property PCI: samsung: Get PHY using non-DT version PCI: samsung: Rename common functions to samsung PCI: samsung: Add platform device private data PCI: samsung: Add structure to hold resource operations PCI: samsung: Make handling of regulators generic ...ung,exynos-pcie.yaml => samsung,pcie.yaml} | 15 +- MAINTAINERS | 4 +- arch/arm64/boot/dts/exynos/exynos5433.dtsi | 3 +- drivers/pci/controller/dwc/Kconfig | 6 +- drivers/pci/controller/dwc/Makefile | 2 +- drivers/pci/controller/dwc/pci-samsung.c | 508 ++++++++++++++++++ 6 files changed, 526 insertions(+), 12 deletions(-) rename Documentation/devicetree/bindings/pci/{samsung,exynos-pcie.yaml => samsung,pcie.yaml} (89%) create mode 100644 drivers/pci/controller/dwc/pci-samsung.c