* [ patch -mm1 01/11 ] gpio-patchset-fixups: static-numpins
@ 2006-06-22 18:50 Jim Cromie
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From: Jim Cromie @ 2006-06-22 18:50 UTC (permalink / raw)
To: Andrew Morton; +Cc: Linux kernel
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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2006-06-22 18:50 [ patch -mm1 01/11 ] gpio-patchset-fixups: static-numpins Jim Cromie
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