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path: root/drivers/macintosh/macio_asic.c
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Diffstat (limited to 'drivers/macintosh/macio_asic.c')
-rw-r--r--drivers/macintosh/macio_asic.c78
1 files changed, 76 insertions, 2 deletions
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index d0bda7e..1ee0033 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -33,7 +33,7 @@ static int macio_bus_match(struct device *dev, struct device_driver *drv)
{
struct macio_dev * macio_dev = to_macio_device(dev);
struct macio_driver * macio_drv = to_macio_driver(drv);
- const struct of_match * matches = macio_drv->match_table;
+ const struct of_device_id * matches = macio_drv->match_table;
if (!matches)
return 0;
@@ -66,7 +66,7 @@ static int macio_device_probe(struct device *dev)
int error = -ENODEV;
struct macio_driver *drv;
struct macio_dev *macio_dev;
- const struct of_match *match;
+ const struct of_device_id *match;
drv = to_macio_driver(dev->driver);
macio_dev = to_macio_device(dev);
@@ -126,11 +126,85 @@ static int macio_device_resume(struct device * dev)
return 0;
}
+static int macio_hotplug (struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size)
+{
+ struct macio_dev * macio_dev;
+ struct of_device * of;
+ char *scratch, *compat;
+ int i = 0;
+ int length = 0;
+ int cplen, seen = 0;
+
+ if (!dev)
+ return -ENODEV;
+
+ macio_dev = to_macio_device(dev);
+ if (!macio_dev)
+ return -ENODEV;
+
+ of = &macio_dev->ofdev;
+ scratch = buffer;
+
+ /* stuff we want to pass to /sbin/hotplug */
+ envp[i++] = scratch;
+ length += scnprintf (scratch, buffer_size - length, "OF_NAME=%s",
+ of->node->name);
+ if ((buffer_size - length <= 0) || (i >= num_envp))
+ return -ENOMEM;
+ ++length;
+ scratch += length;
+
+ envp[i++] = scratch;
+ length += scnprintf (scratch, buffer_size - length, "OF_TYPE=%s",
+ of->node->type);
+ if ((buffer_size - length <= 0) || (i >= num_envp))
+ return -ENOMEM;
+ ++length;
+ scratch += length;
+
+ /* Since the compatible field can contain pretty much anything
+ * it's not really legal to split it out with commas. We split it
+ * up using a number of environment variables instead. */
+
+ compat = (char *) get_property(of->node, "compatible", &cplen);
+ while (compat && cplen > 0) {
+ int l;
+ envp[i++] = scratch;
+ length += scnprintf (scratch, buffer_size - length,
+ "OF_COMPATIBLE_%d=%s", seen, compat);
+ if ((buffer_size - length <= 0) || (i >= num_envp))
+ return -ENOMEM;
+ length++;
+ scratch += length;
+ l = strlen (compat) + 1;
+ compat += l;
+ cplen -= l;
+ seen++;
+ }
+
+ envp[i++] = scratch;
+ length += scnprintf (scratch, buffer_size - length,
+ "OF_COMPATIBLE_N=%d", seen);
+ if ((buffer_size - length <= 0) || (i >= num_envp))
+ return -ENOMEM;
+ ++length;
+ scratch += length;
+
+ envp[i] = NULL;
+
+ return 0;
+}
+
+extern struct device_attribute macio_dev_attrs[];
+
struct bus_type macio_bus_type = {
.name = "macio",
.match = macio_bus_match,
+ .hotplug = macio_hotplug,
.suspend = macio_device_suspend,
.resume = macio_device_resume,
+ .dev_attrs = macio_dev_attrs,
};
static int __init macio_bus_driver_init(void)