1 files changed, 104 insertions, 0 deletions

diff --git a/drivers/ssb/pcihost_wrapper.c b/drivers/ssb/pcihost_wrapper.c
new file mode 100644
index 000000000000..82a10abef640
--- /dev/null
+++ b/drivers/ssb/pcihost_wrapper.c
@@ -0,0 +1,104 @@
+/*
+ * Sonics Silicon Backplane
+ * PCI Hostdevice wrapper
+ *
+ * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
+ * Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
+ * Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
+ * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
+ * Copyright (c) 2005-2007 Michael Buesch <mbuesch@freenet.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
+
+
+#ifdef CONFIG_PM
+static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)
+{
+        pci_save_state(dev);
+        pci_disable_device(dev);
+        pci_set_power_state(dev, pci_choose_state(dev, state));
+
+        return 0;
+}
+
+static int ssb_pcihost_resume(struct pci_dev *dev)
+{
+        int err;
+
+        pci_set_power_state(dev, 0);
+        err = pci_enable_device(dev);
+        if (err)
+                return err;
+        pci_restore_state(dev);
+
+        return 0;
+}
+#else /* CONFIG_PM */
+# define ssb_pcihost_suspend    NULL
+# define ssb_pcihost_resume     NULL
+#endif /* CONFIG_PM */
+
+static int ssb_pcihost_probe(struct pci_dev *dev,
+                             const struct pci_device_id *id)
+{
+        struct ssb_bus *ssb;
+        int err = -ENOMEM;
+        const char *name;
+
+        ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
+        if (!ssb)
+                goto out;
+        err = pci_enable_device(dev);
+        if (err)
+                goto err_kfree_ssb;
+        name = dev->dev.bus_id;
+        if (dev->driver && dev->driver->name)
+                name = dev->driver->name;
+        err = pci_request_regions(dev, name);
+        if (err)
+                goto err_pci_disable;
+        pci_set_master(dev);
+
+        err = ssb_bus_pcibus_register(ssb, dev);
+        if (err)
+                goto err_pci_release_regions;
+
+        pci_set_drvdata(dev, ssb);
+
+out:
+        return err;
+
+err_pci_release_regions:
+        pci_release_regions(dev);
+err_pci_disable:
+        pci_disable_device(dev);
+err_kfree_ssb:
+        kfree(ssb);
+        return err;
+}
+
+static void ssb_pcihost_remove(struct pci_dev *dev)
+{
+        struct ssb_bus *ssb = pci_get_drvdata(dev);
+
+        ssb_bus_unregister(ssb);
+        pci_release_regions(dev);
+        pci_disable_device(dev);
+        kfree(ssb);
+        pci_set_drvdata(dev, NULL);
+}
+
+int ssb_pcihost_register(struct pci_driver *driver)
+{
+        driver->probe = ssb_pcihost_probe;
+        driver->remove = ssb_pcihost_remove;
+        driver->suspend = ssb_pcihost_suspend;
+        driver->resume = ssb_pcihost_resume;
+
+        return pci_register_driver(driver);
+}
+EXPORT_SYMBOL(ssb_pcihost_register);