From: Bartosz Golaszewski <brgl@bgdev.pl> To: Marcel Holtmann <marcel@holtmann.org>, Luiz Augusto von Dentz <luiz.dentz@gmail.com>, "David S . Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Kalle Valo <kvalo@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Bartosz Golaszewski <brgl@bgdev.pl>, Saravana Kannan <saravanak@google.com>, Geert Uytterhoeven <geert+renesas@glider.be>, Arnd Bergmann <arnd@arndb.de>, Neil Armstrong <neil.armstrong@linaro.org>, Marek Szyprowski <m.szyprowski@samsung.com>, Alex Elder <elder@linaro.org>, Srini Kandagatla <srinivas.kandagatla@linaro.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Abel Vesa <abel.vesa@linaro.org>, Manivannan Sadhasivam <mani@kernel.org>, Lukas Wunner <lukas@wunner.de>, Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Subject: [PATCH v6 11/16] PCI/pwrctl: create platform devices for child OF nodes of the port node Date: Mon, 25 Mar 2024 14:16:19 +0100 [thread overview] Message-ID: <20240325131624.26023-12-brgl@bgdev.pl> (raw) In-Reply-To: <20240325131624.26023-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> In preparation for introducing PCI device power control - a set of library functions that will allow powering-up of PCI devices before they're detected on the PCI bus - we need to populate the devices defined on the device-tree. We are reusing the platform bus as it provides us with all the infrastructure we need to match the pwrctl drivers against the compatibles from OF nodes. These platform devices will be probed by the driver core and bound to the PCI pwrctl drivers we'll introduce later. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> --- drivers/pci/bus.c | 9 ++++++++- drivers/pci/remove.c | 2 ++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 826b5016a101..17ab41094c4e 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -12,6 +12,7 @@ #include <linux/errno.h> #include <linux/ioport.h> #include <linux/of.h> +#include <linux/of_platform.h> #include <linux/proc_fs.h> #include <linux/slab.h> @@ -342,8 +343,14 @@ void pci_bus_add_device(struct pci_dev *dev) */ pcibios_bus_add_device(dev); pci_fixup_device(pci_fixup_final, dev); - if (pci_is_bridge(dev)) + if (pci_is_bridge(dev)) { of_pci_make_dev_node(dev); + retval = of_platform_populate(dev->dev.of_node, NULL, NULL, + &dev->dev); + if (retval) + pci_err(dev, "failed to populate child OF nodes (%d)\n", + retval); + } pci_create_sysfs_dev_files(dev); pci_proc_attach_device(dev); pci_bridge_d3_update(dev); diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index d749ea8250d6..fc9db2805888 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/module.h> +#include <linux/of_platform.h> #include "pci.h" static void pci_free_resources(struct pci_dev *dev) @@ -22,6 +23,7 @@ static void pci_stop_dev(struct pci_dev *dev) device_release_driver(&dev->dev); pci_proc_detach_device(dev); pci_remove_sysfs_dev_files(dev); + of_platform_depopulate(&dev->dev); of_pci_remove_node(dev); pci_dev_assign_added(dev, false); -- 2.40.1
WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl> To: Marcel Holtmann <marcel@holtmann.org>, Luiz Augusto von Dentz <luiz.dentz@gmail.com>, "David S . Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Kalle Valo <kvalo@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Bartosz Golaszewski <brgl@bgdev.pl>, Saravana Kannan <saravanak@google.com>, Geert Uytterhoeven <geert+renesas@glider.be>, Arnd Bergmann <arnd@arndb.de>, Neil Armstrong <neil.armstrong@linaro.org>, Marek Szyprowski <m.szyprowski@samsung.com>, Alex Elder <elder@linaro.org>, Srini Kandagatla <srinivas.kandagatla@linaro.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Abel Vesa <abel.vesa@linaro.org>, Manivannan Sadhasivam <mani@kernel.org>, Lukas Wunner <lukas@wunner.de>, Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Subject: [PATCH v6 11/16] PCI/pwrctl: create platform devices for child OF nodes of the port node Date: Mon, 25 Mar 2024 14:16:19 +0100 [thread overview] Message-ID: <20240325131624.26023-12-brgl@bgdev.pl> (raw) In-Reply-To: <20240325131624.26023-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> In preparation for introducing PCI device power control - a set of library functions that will allow powering-up of PCI devices before they're detected on the PCI bus - we need to populate the devices defined on the device-tree. We are reusing the platform bus as it provides us with all the infrastructure we need to match the pwrctl drivers against the compatibles from OF nodes. These platform devices will be probed by the driver core and bound to the PCI pwrctl drivers we'll introduce later. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> --- drivers/pci/bus.c | 9 ++++++++- drivers/pci/remove.c | 2 ++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 826b5016a101..17ab41094c4e 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -12,6 +12,7 @@ #include <linux/errno.h> #include <linux/ioport.h> #include <linux/of.h> +#include <linux/of_platform.h> #include <linux/proc_fs.h> #include <linux/slab.h> @@ -342,8 +343,14 @@ void pci_bus_add_device(struct pci_dev *dev) */ pcibios_bus_add_device(dev); pci_fixup_device(pci_fixup_final, dev); - if (pci_is_bridge(dev)) + if (pci_is_bridge(dev)) { of_pci_make_dev_node(dev); + retval = of_platform_populate(dev->dev.of_node, NULL, NULL, + &dev->dev); + if (retval) + pci_err(dev, "failed to populate child OF nodes (%d)\n", + retval); + } pci_create_sysfs_dev_files(dev); pci_proc_attach_device(dev); pci_bridge_d3_update(dev); diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index d749ea8250d6..fc9db2805888 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/module.h> +#include <linux/of_platform.h> #include "pci.h" static void pci_free_resources(struct pci_dev *dev) @@ -22,6 +23,7 @@ static void pci_stop_dev(struct pci_dev *dev) device_release_driver(&dev->dev); pci_proc_detach_device(dev); pci_remove_sysfs_dev_files(dev); + of_platform_depopulate(&dev->dev); of_pci_remove_node(dev); pci_dev_assign_added(dev, false); -- 2.40.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-03-25 13:17 UTC|newest] Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-25 13:16 [PATCH v6 00/16] power: sequencing: implement the subsystem and add first users Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 01/16] regulator: dt-bindings: describe the PMU module of the QCA6390 package Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:37 ` power: sequencing: implement the subsystem and add first users bluez.test.bot 2024-03-25 14:33 ` [PATCH v6 01/16] regulator: dt-bindings: describe the PMU module of the QCA6390 package Mark Brown 2024-03-25 14:33 ` Mark Brown 2024-03-27 17:02 ` power: sequencing: implement the subsystem and add first users bluez.test.bot 2024-03-27 18:17 ` [PATCH v6 01/16] regulator: dt-bindings: describe the PMU module of the QCA6390 package Krzysztof Kozlowski 2024-03-27 18:17 ` Krzysztof Kozlowski 2024-03-27 18:55 ` Bartosz Golaszewski 2024-03-27 18:55 ` Bartosz Golaszewski 2024-03-28 9:06 ` Krzysztof Kozlowski 2024-03-28 9:06 ` Krzysztof Kozlowski 2024-03-28 9:07 ` Krzysztof Kozlowski 2024-03-28 9:07 ` Krzysztof Kozlowski 2024-03-25 13:16 ` [PATCH v6 02/16] regulator: dt-bindings: describe the PMU module of the WCN7850 package Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 14:34 ` Mark Brown 2024-03-25 14:34 ` Mark Brown 2024-03-27 18:19 ` Krzysztof Kozlowski 2024-03-27 18:19 ` Krzysztof Kozlowski 2024-03-27 18:56 ` Bartosz Golaszewski 2024-03-27 18:56 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 03/16] dt-bindings: net: bluetooth: qualcomm: describe regulators for QCA6390 Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 04/16] dt-bindings: net: wireless: qcom,ath11k: describe the ath11k on QCA6390 Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:57 ` Kalle Valo 2024-03-25 13:57 ` Kalle Valo 2024-03-25 14:09 ` Bartosz Golaszewski 2024-03-25 14:09 ` Bartosz Golaszewski 2024-03-25 14:37 ` Kalle Valo 2024-03-25 14:37 ` Kalle Valo 2024-03-25 16:23 ` Bartosz Golaszewski 2024-03-25 16:23 ` Bartosz Golaszewski 2024-03-26 15:12 ` Kalle Valo 2024-03-26 15:12 ` Kalle Valo 2024-03-26 16:32 ` Bartosz Golaszewski 2024-03-26 16:32 ` Bartosz Golaszewski 2024-03-26 17:05 ` Johan Hovold 2024-03-26 17:05 ` Johan Hovold 2024-03-26 8:11 ` Johan Hovold 2024-03-26 8:11 ` Johan Hovold 2024-03-25 20:03 ` Jeff Johnson 2024-03-25 20:03 ` Jeff Johnson 2024-03-25 13:16 ` [PATCH v6 05/16] dt-bindings: net: wireless: describe the ath12k PCI module Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 14:01 ` Kalle Valo 2024-03-25 14:01 ` Kalle Valo 2024-04-03 14:56 ` Bartosz Golaszewski 2024-04-03 14:56 ` Bartosz Golaszewski 2024-04-05 9:33 ` Kalle Valo 2024-04-05 9:33 ` Kalle Valo 2024-04-05 9:37 ` Krzysztof Kozlowski 2024-04-05 9:37 ` Krzysztof Kozlowski 2024-04-05 9:41 ` Krzysztof Kozlowski 2024-04-05 9:41 ` Krzysztof Kozlowski 2024-04-05 9:52 ` Bartosz Golaszewski 2024-04-05 9:52 ` Bartosz Golaszewski 2024-04-05 15:44 ` Jeff Johnson 2024-04-05 15:44 ` Jeff Johnson 2024-03-27 18:21 ` Krzysztof Kozlowski 2024-03-27 18:21 ` Krzysztof Kozlowski 2024-03-25 13:16 ` [PATCH v6 06/16] arm64: dts: qcom: sm8550-qrd: add the Wifi node Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 07/16] arm64: dts: qcom: sm8650-qrd: " Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 08/16] arm64: dts: qcom: qrb5165-rb5: " Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 09/16] PCI: hold the rescan mutex when scanning for the first time Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 10/16] PCI/pwrctl: reuse the OF node for power controlled devices Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski [this message] 2024-03-25 13:16 ` [PATCH v6 11/16] PCI/pwrctl: create platform devices for child OF nodes of the port node Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 12/16] PCI/pwrctl: add PCI power control core code Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-27 16:16 ` Simon Horman 2024-03-27 16:16 ` Simon Horman 2024-03-25 13:16 ` [PATCH v6 13/16] power: sequencing: implement the pwrseq core Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 14/16] power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 15/16] Bluetooth: qca: use the power sequencer for QCA6390 Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-03-25 13:16 ` [PATCH v6 16/16] PCI/pwrctl: add a PCI power control driver for power sequenced devices Bartosz Golaszewski 2024-03-25 13:16 ` Bartosz Golaszewski 2024-04-06 3:03 ` [PATCH v6 00/16] power: sequencing: implement the subsystem and add first users Xilin Wu 2024-04-06 3:03 ` Xilin Wu 2024-04-09 15:35 ` Bartosz Golaszewski 2024-04-09 15:35 ` Bartosz Golaszewski
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20240325131624.26023-12-brgl@bgdev.pl \ --to=brgl@bgdev.pl \ --cc=abel.vesa@linaro.org \ --cc=andersson@kernel.org \ --cc=arnd@arndb.de \ --cc=bartosz.golaszewski@linaro.org \ --cc=bhelgaas@google.com \ --cc=broonie@kernel.org \ --cc=catalin.marinas@arm.com \ --cc=conor+dt@kernel.org \ --cc=davem@davemloft.net \ --cc=devicetree@vger.kernel.org \ --cc=dmitry.baryshkov@linaro.org \ --cc=edumazet@google.com \ --cc=elder@linaro.org \ --cc=geert+renesas@glider.be \ --cc=gregkh@linuxfoundation.org \ --cc=konrad.dybcio@linaro.org \ --cc=krzysztof.kozlowski+dt@linaro.org \ --cc=kuba@kernel.org \ --cc=kvalo@kernel.org \ --cc=lgirdwood@gmail.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-bluetooth@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-pci@vger.kernel.org \ --cc=linux-pm@vger.kernel.org \ --cc=linux-wireless@vger.kernel.org \ --cc=luiz.dentz@gmail.com \ --cc=lukas@wunner.de \ --cc=m.szyprowski@samsung.com \ --cc=mani@kernel.org \ --cc=marcel@holtmann.org \ --cc=neil.armstrong@linaro.org \ --cc=netdev@vger.kernel.org \ --cc=pabeni@redhat.com \ --cc=robh@kernel.org \ --cc=saravanak@google.com \ --cc=srinivas.kandagatla@linaro.org \ --cc=will@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.