[ patch -mm1 01/11 ] gpio-patchset-fixups: static-numpins

[Jim Cromie <jim.cromie@gmail.com>]

diff.2-fix-static-numpins

Theres currently no reason to expose number of pins, so make it static
until a reason presents itself.  Also, change name to be less generic.

Signed-off-by:   Jim Cromie <jim.cromie@gmail.com>

$ diffstat diff.2-fix-static-numpins
scx200_gpio.c |   14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)

diff -ruNp -X dontdiff -X exclude-diffs ../linux-2.6.17-mm1-sk/drivers/char/scx200_gpio.c 2/drivers/char/scx200_gpio.c
--- ../linux-2.6.17-mm1-sk/drivers/char/scx200_gpio.c	2006-06-21 07:04:24.000000000 -0600
+++ 2/drivers/char/scx200_gpio.c	2006-06-21 18:04:16.000000000 -0600
@@ -72,7 +72,7 @@ static struct file_operations scx200_gpi
};

struct cdev *scx200_devices;
-int num_devs = 32;
+static int num_pins = 32;

static int __init scx200_gpio_init(void)
{
@@ -97,21 +97,21 @@ static int __init scx200_gpio_init(void)
	scx200_access.dev = &pdev->dev;

	if (major)
-		rc = register_chrdev_region(dev, num_devs, "scx200_gpio");
+		rc = register_chrdev_region(dev, num_pins, "scx200_gpio");
	else {
-		rc = alloc_chrdev_region(&dev, 0, num_devs, "scx200_gpio");
+		rc = alloc_chrdev_region(&dev, 0, num_pins, "scx200_gpio");
		major = MAJOR(dev);
	}
	if (rc < 0) {
		dev_err(&pdev->dev, "SCx200 chrdev_region err: %d\n", rc);
		goto undo_platform_device_add;
	}
-	scx200_devices = kzalloc(num_devs * sizeof(struct cdev), GFP_KERNEL);
+	scx200_devices = kzalloc(num_pins * sizeof(struct cdev), GFP_KERNEL);
	if (!scx200_devices) {
		rc = -ENOMEM;
		goto undo_chrdev_region;
	}
-	for (i = 0; i < num_devs; i++) {
+	for (i = 0; i < num_pins; i++) {
		struct cdev *cdev = &scx200_devices[i];
		cdev_init(cdev, &scx200_gpio_fops);
		cdev->owner = THIS_MODULE;
@@ -124,7 +124,7 @@ static int __init scx200_gpio_init(void)
	return 0; /* succeed */

undo_chrdev_region:
-        unregister_chrdev_region(dev, num_devs);
+	unregister_chrdev_region(dev, num_pins);
undo_platform_device_add:
	platform_device_put(pdev);
	kfree(pdev);		/* undo platform_device_alloc */
@@ -134,7 +134,7 @@ undo_platform_device_add:
static void __exit scx200_gpio_cleanup(void)
{
	kfree(scx200_devices);
-	unregister_chrdev_region(MKDEV(major, 0), num_devs);
+	unregister_chrdev_region(MKDEV(major, 0), num_pins);
	platform_device_put(pdev);
	platform_device_unregister(pdev);
	/* kfree(pdev); */


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