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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/ssb/pcihost_wrapper.c
2 * Sonics Silicon Backplane
3 * PCI Hostdevice wrapper
5 * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
6 * Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
7 * Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
8 * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
9 * Copyright (c) 2005-2007 Michael Buesch <mbuesch@freenet.de>
11 * Licensed under the GNU/GPL. See COPYING for details.
14 #include <linux/pci.h>
15 #include <linux/ssb/ssb.h>
19 static int ssb_pcihost_suspend(struct pci_dev
*dev
, pm_message_t state
)
21 struct ssb_bus
*ssb
= pci_get_drvdata(dev
);
24 err
= ssb_bus_suspend(ssb
);
28 pci_disable_device(dev
);
29 pci_set_power_state(dev
, pci_choose_state(dev
, state
));
34 static int ssb_pcihost_resume(struct pci_dev
*dev
)
36 struct ssb_bus
*ssb
= pci_get_drvdata(dev
);
39 pci_set_power_state(dev
, 0);
40 err
= pci_enable_device(dev
);
43 pci_restore_state(dev
);
44 err
= ssb_bus_resume(ssb
);
51 # define ssb_pcihost_suspend NULL
52 # define ssb_pcihost_resume NULL
53 #endif /* CONFIG_PM */
55 static int ssb_pcihost_probe(struct pci_dev
*dev
,
56 const struct pci_device_id
*id
)
62 ssb
= kzalloc(sizeof(*ssb
), GFP_KERNEL
);
65 err
= pci_enable_device(dev
);
68 name
= dev
->dev
.bus_id
;
69 if (dev
->driver
&& dev
->driver
->name
)
70 name
= dev
->driver
->name
;
71 err
= pci_request_regions(dev
, name
);
76 err
= ssb_bus_pcibus_register(ssb
, dev
);
78 goto err_pci_release_regions
;
80 pci_set_drvdata(dev
, ssb
);
85 err_pci_release_regions
:
86 pci_release_regions(dev
);
88 pci_disable_device(dev
);
94 static void ssb_pcihost_remove(struct pci_dev
*dev
)
96 struct ssb_bus
*ssb
= pci_get_drvdata(dev
);
98 ssb_bus_unregister(ssb
);
99 pci_release_regions(dev
);
100 pci_disable_device(dev
);
102 pci_set_drvdata(dev
, NULL
);
105 int ssb_pcihost_register(struct pci_driver
*driver
)
107 driver
->probe
= ssb_pcihost_probe
;
108 driver
->remove
= ssb_pcihost_remove
;
109 driver
->suspend
= ssb_pcihost_suspend
;
110 driver
->resume
= ssb_pcihost_resume
;
112 return pci_register_driver(driver
);
114 EXPORT_SYMBOL(ssb_pcihost_register
);