コード例 #1
0
ファイル: rpmsg_core.c プロジェクト: krzk/linux
static ssize_t modalias_show(struct device *dev,
			     struct device_attribute *attr, char *buf)
{
	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
	ssize_t len;

	len = of_device_modalias(dev, buf, PAGE_SIZE);
	if (len != -ENODEV)
		return len;

	return sprintf(buf, RPMSG_DEVICE_MODALIAS_FMT "\n", rpdev->id.name);
}
コード例 #2
0
ファイル: ulpi.c プロジェクト: mkrufky/linux
static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
			     char *buf)
{
	int len;
	struct ulpi *ulpi = to_ulpi_dev(dev);

	len = of_device_modalias(dev, buf, PAGE_SIZE);
	if (len != -ENODEV)
		return len;

	return sprintf(buf, "ulpi:v%04xp%04x\n",
		       ulpi->id.vendor, ulpi->id.product);
}
コード例 #3
0
ファイル: platform.c プロジェクト: avagin/linux
/* modalias support enables more hands-off userspace setup:
 * (a) environment variable lets new-style hotplug events work once system is
 *     fully running:  "modprobe $MODALIAS"
 * (b) sysfs attribute lets new-style coldplug recover from hotplug events
 *     mishandled before system is fully running:  "modprobe $(cat modalias)"
 */
static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
			     char *buf)
{
	struct platform_device	*pdev = to_platform_device(dev);
	int len;

	len = of_device_modalias(dev, buf, PAGE_SIZE);
	if (len != -ENODEV)
		return len;

	len = acpi_device_modalias(dev, buf, PAGE_SIZE -1);
	if (len != -ENODEV)
		return len;

	len = snprintf(buf, PAGE_SIZE, "platform:%s\n", pdev->name);

	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
}