schulung_tools: drivers: remove modules subdir

There is no need for the extra directory level. Move all the
example modules to the parent "drivers" directory and delete
the modules directory.

Signed-off-by: John Ogness <john.ogness@linutronix.de>

1 files changed, 57 insertions, 0 deletions

diff --git a/schulung_tools/drivers/hellodriver/patch-add-sysfs.diff b/schulung_tools/drivers/hellodriver/patch-add-sysfs.diff
new file mode 100644
index 0000000..44c913e
--- /dev/null
+++ b/schulung_tools/drivers/hellodriver/patch-add-sysfs.diff
@@ -0,0 +1,57 @@
+From 9ec20c5b243d6f1f83b38b57474cf532c4575a02 Mon Sep 17 00:00:00 2001
+From: John Ogness <john.ogness@linutronix.de>
+Date: Fri, 15 Feb 2019 12:58:25 +0106
+Subject: [PATCH] hello: add custom sysfs files
+
+Signed-off-by: John Ogness <john.ogness@linutronix.de>
+---
+ hello.c | 26 ++++++++++++++++++++++
+ 1 file changed, 26 insertions(+)
+
+diff --git a/hello.c b/hello.c
+index 7f78d06..4c7989a 100644
+--- a/hello.c
++++ b/hello.c
+@@ -77,6 +77,30 @@ static const struct file_operations hello_fops = {
+ 	.write = hello_write,
+ };
+ 
++static ssize_t major_show(struct device *dev,
++			  struct device_attribute *attr, char *buf)
++{
++	return sprintf(buf, "%d\n", MAJOR(hello_devt));
++}
++static DEVICE_ATTR_RO(major);
++
++static ssize_t minor_show(struct device *dev,
++			  struct device_attribute *attr, char *buf)
++{
++	struct platform_device *pdev = to_platform_device(dev);
++	struct hello_dev *hello = platform_get_drvdata(pdev);
++
++	return sprintf(buf, "%d\n", hello->minor);
++}
++static DEVICE_ATTR_RO(minor);
++
++static struct attribute *hello_device_attrs[] = {
++        &dev_attr_major.attr,
++        &dev_attr_minor.attr,
++        NULL,
++};
++ATTRIBUTE_GROUPS(hello_device);
++
+ static int hello_probe(struct platform_device *pdev)
+ {
+ 	struct hello_dev *hello;
+@@ -187,6 +211,8 @@ static int __init hello_init(void)
+ 		goto err_region;
+ 	}
+ 
++	hello_class->dev_groups = hello_device_groups;
++
+ 	ret = platform_driver_register(&hello_driver);
+ 	if (ret != 0)
+ 		goto err_class;
+-- 
+2.1.4
+