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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Balakrishna Godavarthi , Rocky Liao , Kalle Valo , Jeff Johnson , Bjorn Andersson , Konrad Dybcio , Bartosz Golaszewski , Bjorn Helgaas , Srini Kandagatla , Elliot Berman , Caleb Connolly , Neil Armstrong , Dmitry Baryshkov , Alex Elder Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, Jeff Johnson , ath12k@lists.infradead.org, linux-pm@vger.kernel.org, linux-pci@vger.kernel.org, Bartosz Golaszewski , kernel@quicinc.com, Amit Pundir X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2188; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=JjTaqS3wTDZBLouvY0ZN3GdR/yNW7FaquCkQXG8PeWA=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBmViqQjRkZ9uZOgI/9NbVSvh6khAK880XtupTre fVqi1WIceiJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZlYqkAAKCRARpy6gFHHX cmNaEACVAeQ8jz+bWQVF+5dvErJuYBGMqjrtYZBxIdGU7EEGgixkfvwFd0AQFhVe8FqHHJWKs4M N06NxP7um7vj/xY0SfElsVbf+NXxYsM/OsZkE5qf3kbBQLhacRowt34vhWGfcUsx5+XxzhS7Rpp ZC/AmPx6sldLAcNvvUYEhb3WuryaMZO9/NLnNJN/zXoWSCAeQ4MkYMER3sGq/OCEL+BRb3yXK6L +A/foR6+Bv4ztyECvXpNXmtr9ObiJT+48LDRaVfwS45XtSUXzS5GHthSGZdDwT0A1ZtqcXIKKmY QSyNKVJtljr5mhnonYU/9zmEVtnqMieZAEtXNkgHGNaNeronuzQJX1sKQgB6Qndnq0YIM3asebV xNjkBK1Rh0jpTCyCmiZvkJjPIc5oImwGBOemuaCf52tUlJliwsQeVRHE0L1ZFz/F+XHu0wIYpPQ NTvkWV6EnUUhJnNGnFqu8fYCf/Fv8WNUhsV6dBrkdryH5PbhY2mXT6diVfTMtgqF20al/woinO6 tOD/o3bSvczc/u8MisHsUmc/Ld9q5YcMsEIMHkZoj8HGHfVzuQEIaRoHV9uux0vxqEHswcwN6xG 3nwdBlbptcXMcK3gE/GtdGmeQHOFv2XgC1fQBmKkzyGQfTERVXvRfFnKII7vGfrEBNhWiqtTKwe GoKcrXlo0l1BGgw== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski 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. Tested-by: Amit Pundir Signed-off-by: Bartosz Golaszewski Acked-by: Bjorn Helgaas --- drivers/pci/bus.c | 9 +++++++++ drivers/pci/remove.c | 3 ++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 826b5016a101..3e3517567721 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -354,6 +355,14 @@ void pci_bus_add_device(struct pci_dev *dev) pci_warn(dev, "device attach failed (%d)\n", retval); pci_dev_assign_added(dev, true); + + if (pci_is_bridge(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); + } } EXPORT_SYMBOL_GPL(pci_bus_add_device); diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index d749ea8250d6..910387e5bdbf 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include #include "pci.h" static void pci_free_resources(struct pci_dev *dev) @@ -18,7 +19,7 @@ static void pci_stop_dev(struct pci_dev *dev) pci_pme_active(dev, false); if (pci_dev_is_added(dev)) { - + of_platform_depopulate(&dev->dev); device_release_driver(&dev->dev); pci_proc_detach_device(dev); pci_remove_sysfs_dev_files(dev);