[v2,2/4] PCI/portdrv: Add/Remove port services to the list

Message ID 1510721808-27164-3-git-send-email-poza@codeaurora.org
State New
Headers show
Series
  • PCI: query active service list
Related show

Commit Message

Oza Pawandeep Nov. 15, 2017, 4:56 a.m.
This patch adds and removes the port service to the service list.

Signed-off-by: Oza Pawandeep <poza@codeaurora.org>

Patch

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index a592103..6bfe986 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -454,6 +454,8 @@  static int pcie_port_probe_service(struct device *dev)
 	if (status)
 		return status;
 
+	list_add_tail(&pciedev->slist, &pciedev->port->service_list);
+
 	get_device(dev);
 	return 0;
 }
@@ -477,6 +479,9 @@  static int pcie_port_remove_service(struct device *dev)
 
 	pciedev = to_pcie_device(dev);
 	driver = to_service_driver(dev->driver);
+
+	list_del(&pciedev->slist);
+
 	if (driver && driver->remove) {
 		driver->remove(pciedev);
 		put_device(dev);
diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h
index b69769d..9d05621 100644
--- a/include/linux/pcieport_if.h
+++ b/include/linux/pcieport_if.h
@@ -31,6 +31,7 @@  struct pcie_device {
 	u32		service;    /* Port service this device represents */
 	void		*priv_data; /* Service Private Data */
 	struct device	device;     /* Generic Device Interface */
+	struct list_head slist;     /* List of services */
 };
 #define to_pcie_device(d) container_of(d, struct pcie_device, device)