ASoC: Use card field to indicate whether a component is bound
[linux-2.6-block.git] / drivers / ata / ahci_platform.c
1 /*
2  * AHCI SATA platform driver
3  *
4  * Copyright 2004-2005  Red Hat, Inc.
5  *   Jeff Garzik <jgarzik@pobox.com>
6  * Copyright 2010  MontaVista Software, LLC.
7  *   Anton Vorontsov <avorontsov@ru.mvista.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2, or (at your option)
12  * any later version.
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/pm.h>
18 #include <linux/device.h>
19 #include <linux/of_device.h>
20 #include <linux/platform_device.h>
21 #include <linux/libata.h>
22 #include <linux/ahci_platform.h>
23 #include "ahci.h"
24
25 #define DRV_NAME "ahci"
26
27 static const struct ata_port_info ahci_port_info = {
28         .flags          = AHCI_FLAG_COMMON,
29         .pio_mask       = ATA_PIO4,
30         .udma_mask      = ATA_UDMA6,
31         .port_ops       = &ahci_platform_ops,
32 };
33
34 static struct scsi_host_template ahci_platform_sht = {
35         AHCI_SHT(DRV_NAME),
36 };
37
38 static int ahci_probe(struct platform_device *pdev)
39 {
40         struct device *dev = &pdev->dev;
41         struct ahci_host_priv *hpriv;
42         int rc;
43
44         hpriv = ahci_platform_get_resources(pdev);
45         if (IS_ERR(hpriv))
46                 return PTR_ERR(hpriv);
47
48         rc = ahci_platform_enable_resources(hpriv);
49         if (rc)
50                 return rc;
51
52         if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
53                 hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
54
55         rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info,
56                                      &ahci_platform_sht);
57         if (rc)
58                 goto disable_resources;
59
60         return 0;
61 disable_resources:
62         ahci_platform_disable_resources(hpriv);
63         return rc;
64 }
65
66 static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
67                          ahci_platform_resume);
68
69 static const struct of_device_id ahci_of_match[] = {
70         { .compatible = "generic-ahci", },
71         /* Keep the following compatibles for device tree compatibility */
72         { .compatible = "snps,spear-ahci", },
73         { .compatible = "snps,exynos5440-ahci", },
74         { .compatible = "ibm,476gtr-ahci", },
75         { .compatible = "snps,dwc-ahci", },
76         { .compatible = "hisilicon,hisi-ahci", },
77         { .compatible = "fsl,qoriq-ahci", },
78         {},
79 };
80 MODULE_DEVICE_TABLE(of, ahci_of_match);
81
82 static struct platform_driver ahci_driver = {
83         .probe = ahci_probe,
84         .remove = ata_platform_remove_one,
85         .driver = {
86                 .name = DRV_NAME,
87                 .of_match_table = ahci_of_match,
88                 .pm = &ahci_pm_ops,
89         },
90 };
91 module_platform_driver(ahci_driver);
92
93 MODULE_DESCRIPTION("AHCI SATA platform driver");
94 MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");
95 MODULE_LICENSE("GPL");
96 MODULE_ALIAS("platform:ahci");