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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [ssb/] [pcihost_wrapper.c] - Blame information for rev 82

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/*
 * 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);

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* Sonics Silicon Backplane`
3			`* PCI Hostdevice wrapper`
4			`*`
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>`
10			`*`
11			`* Licensed under the GNU/GPL. See COPYING for details.`
12			`*/`
13
14			`#include <linux/pci.h>`
15			`#include <linux/ssb/ssb.h>`
16
17
18			`#ifdef CONFIG_PM`
19			`static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)`
20			`{`
21			`pci_save_state(dev);`
22			`pci_disable_device(dev);`
23			`pci_set_power_state(dev, pci_choose_state(dev, state));`
24
25			`return 0;`
26			`}`
27
28			`static int ssb_pcihost_resume(struct pci_dev *dev)`
29			`{`
30			`int err;`
31
32			`pci_set_power_state(dev, 0);`
33			`err = pci_enable_device(dev);`
34			`if (err)`
35			`return err;`
36			`pci_restore_state(dev);`
37
38			`return 0;`
39			`}`
40			`#else /* CONFIG_PM */`
41			`# define ssb_pcihost_suspend NULL`
42			`# define ssb_pcihost_resume NULL`
43			`#endif /* CONFIG_PM */`
44
45			`static int ssb_pcihost_probe(struct pci_dev *dev,`
46			`const struct pci_device_id *id)`
47			`{`
48			`struct ssb_bus *ssb;`
49			`int err = -ENOMEM;`
50			`const char *name;`
51
52			`ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);`
53			`if (!ssb)`
54			`goto out;`
55			`err = pci_enable_device(dev);`
56			`if (err)`
57			`goto err_kfree_ssb;`
58			`name = dev->dev.bus_id;`
59			`if (dev->driver && dev->driver->name)`
60			`name = dev->driver->name;`
61			`err = pci_request_regions(dev, name);`
62			`if (err)`
63			`goto err_pci_disable;`
64			`pci_set_master(dev);`
65
66			`err = ssb_bus_pcibus_register(ssb, dev);`
67			`if (err)`
68			`goto err_pci_release_regions;`
69
70			`pci_set_drvdata(dev, ssb);`
71
72			`out:`
73			`return err;`
74
75			`err_pci_release_regions:`
76			`pci_release_regions(dev);`
77			`err_pci_disable:`
78			`pci_disable_device(dev);`
79			`err_kfree_ssb:`
80			`kfree(ssb);`
81			`return err;`
82			`}`
83
84			`static void ssb_pcihost_remove(struct pci_dev *dev)`
85			`{`
86			`struct ssb_bus *ssb = pci_get_drvdata(dev);`
87
88			`ssb_bus_unregister(ssb);`
89			`pci_release_regions(dev);`
90			`pci_disable_device(dev);`
91			`kfree(ssb);`
92			`pci_set_drvdata(dev, NULL);`
93			`}`
94
95			`int ssb_pcihost_register(struct pci_driver *driver)`
96			`{`
97			`driver->probe = ssb_pcihost_probe;`
98			`driver->remove = ssb_pcihost_remove;`
99			`driver->suspend = ssb_pcihost_suspend;`
100			`driver->resume = ssb_pcihost_resume;`
101
102			`return pci_register_driver(driver);`
103			`}`
104			`EXPORT_SYMBOL(ssb_pcihost_register);`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [ssb/] [pcihost_wrapper.c] - Blame information for rev 82