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Commit cc11645b authored by Sylvain Munaut's avatar Sylvain Munaut Committed by Paul Mackerras
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[POWERPC] powermac: Use the new of_device common uevent handler



The generation of the uevent is now common to all bus using
of_device.

Signed-off-by: default avatarSylvain Munaut <tnt@246tNt.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent eb0cb8a0
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+1 −97
Original line number Diff line number Diff line
@@ -134,108 +134,12 @@ static int macio_device_resume(struct device * dev)
	return 0;
}

static int macio_uevent(struct device *dev, char **envp, int num_envp,
                          char *buffer, int buffer_size)
{
	struct macio_dev * macio_dev;
	struct of_device * of;
	char *scratch;
	const char *compat, *compat2;

	int i = 0;
	int length, cplen, cplen2, seen = 0;

	if (!dev)
		return -ENODEV;

	macio_dev = to_macio_device(dev);
	if (!macio_dev)
		return -ENODEV;

	of = &macio_dev->ofdev;

	/* stuff we want to pass to /sbin/hotplug */
	envp[i++] = scratch = buffer;
	length = scnprintf (scratch, buffer_size, "OF_NAME=%s", of->node->name);
	++length;
	buffer_size -= length;
	if ((buffer_size <= 0) || (i >= num_envp))
		return -ENOMEM;
	scratch += length;

	envp[i++] = scratch;
	length = scnprintf (scratch, buffer_size, "OF_TYPE=%s", of->node->type);
	++length;
	buffer_size -= length;
	if ((buffer_size <= 0) || (i >= num_envp))
		return -ENOMEM;
	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 = get_property(of->node, "compatible", &cplen);
	compat2 = compat;
	cplen2= cplen;
	while (compat && cplen > 0) {
                envp[i++] = scratch;
		length = scnprintf (scratch, buffer_size,
		                     "OF_COMPATIBLE_%d=%s", seen, compat);
		++length;
		buffer_size -= length;
		if ((buffer_size <= 0) || (i >= num_envp))
			return -ENOMEM;
		scratch += length;
		length = strlen (compat) + 1;
		compat += length;
		cplen -= length;
		seen++;
	}

	envp[i++] = scratch;
	length = scnprintf (scratch, buffer_size, "OF_COMPATIBLE_N=%d", seen);
	++length;
	buffer_size -= length;
	if ((buffer_size <= 0) || (i >= num_envp))
		return -ENOMEM;
	scratch += length;

	envp[i++] = scratch;
	length = scnprintf (scratch, buffer_size, "MODALIAS=of:N%sT%s",
			of->node->name, of->node->type);
	/* overwrite '\0' */
	buffer_size -= length;
	if ((buffer_size <= 0) || (i >= num_envp))
		return -ENOMEM;
	scratch += length;

	if (!compat2) {
		compat2 = "";
		cplen2 = 1;
	}
	while (cplen2 > 0) {
		length = snprintf (scratch, buffer_size, "C%s", compat2);
		buffer_size -= length;
		if (buffer_size <= 0)
			return -ENOMEM;
		scratch += length;
		length = strlen (compat2) + 1;
		compat2 += length;
		cplen2 -= 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,
       .uevent = macio_uevent,
       .uevent = of_device_uevent,
       .probe	= macio_device_probe,
       .remove	= macio_device_remove,
       .shutdown = macio_device_shutdown,