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path: root/drivers/ide/ide-probe.c
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Diffstat (limited to 'drivers/ide/ide-probe.c')
-rw-r--r--drivers/ide/ide-probe.c71
1 files changed, 69 insertions, 2 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 468c4ac4181d..510254ab3c9b 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -623,7 +623,7 @@ static void hwif_release_dev (struct device *dev)
complete(&hwif->gendev_rel_comp);
}
-static void ide_register_port(ide_hwif_t *hwif)
+static int ide_register_port(ide_hwif_t *hwif)
{
int ret;
@@ -639,9 +639,23 @@ static void ide_register_port(ide_hwif_t *hwif)
}
hwif->gendev.release = hwif_release_dev;
ret = device_register(&hwif->gendev);
- if (ret < 0)
+ if (ret < 0) {
printk(KERN_WARNING "IDE: %s: device_register error: %d\n",
__FUNCTION__, ret);
+ goto out;
+ }
+
+ get_device(&hwif->gendev);
+
+ hwif->portdev = device_create(ide_port_class, &hwif->gendev,
+ MKDEV(0, 0), hwif->name);
+ if (IS_ERR(hwif->portdev)) {
+ ret = PTR_ERR(hwif->portdev);
+ device_unregister(&hwif->gendev);
+ }
+ dev_set_drvdata(hwif->portdev, hwif);
+out:
+ return ret;
}
/**
@@ -1378,6 +1392,58 @@ static void ide_port_cable_detect(ide_hwif_t *hwif)
}
}
+static ssize_t store_delete_devices(struct device *portdev,
+ struct device_attribute *attr,
+ const char *buf, size_t n)
+{
+ ide_hwif_t *hwif = dev_get_drvdata(portdev);
+
+ if (strncmp(buf, "1", n))
+ return -EINVAL;
+
+ ide_port_unregister_devices(hwif);
+
+ return n;
+};
+
+static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices);
+
+static ssize_t store_scan(struct device *portdev,
+ struct device_attribute *attr,
+ const char *buf, size_t n)
+{
+ ide_hwif_t *hwif = dev_get_drvdata(portdev);
+
+ if (strncmp(buf, "1", n))
+ return -EINVAL;
+
+ ide_port_unregister_devices(hwif);
+ ide_port_scan(hwif);
+
+ return n;
+};
+
+static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan);
+
+static struct device_attribute *ide_port_attrs[] = {
+ &dev_attr_delete_devices,
+ &dev_attr_scan,
+ NULL
+};
+
+static int ide_sysfs_register_port(ide_hwif_t *hwif)
+{
+ int i, rc;
+
+ for (i = 0; ide_port_attrs[i]; i++) {
+ rc = device_create_file(hwif->portdev, ide_port_attrs[i]);
+ if (rc)
+ break;
+ }
+
+ return rc;
+}
+
int ide_device_add_all(u8 *idx, const struct ide_port_info *d)
{
ide_hwif_t *hwif, *mate = NULL;
@@ -1474,6 +1540,7 @@ int ide_device_add_all(u8 *idx, const struct ide_port_info *d)
hwif = &ide_hwifs[idx[i]];
if (hwif->present) {
+ ide_sysfs_register_port(hwif);
ide_proc_register_port(hwif);
ide_proc_port_register_devices(hwif);
}