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SubjectRe: [RFC: -mm patch] drivers/char/scx200_gpio.c: make code static
Adrian Bunk wrote:
> This patch makes needlessly global code static.

I don't agree with unexporting scx200_gpio_ops and making the struct static,
this lets other modules use the scx200_gpio module in a semi-independent way. My
net48xx LED Class code is going to be modified to use the entries in this struct
to do its GPIO-twiddling magic, potentially allowing my module to do more than
just the net48xx Error LED.

> Signed-off-by: Adrian Bunk <bunk@stusta.de>
>
> ---
>
> drivers/char/scx200_gpio.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> --- linux-2.6.18-rc1-mm2-full/drivers/char/scx200_gpio.c.old 2006-07-14 22:31:22.000000000 +0200
> +++ linux-2.6.18-rc1-mm2-full/drivers/char/scx200_gpio.c 2006-07-14 22:31:44.000000000 +0200
> @@ -35,7 +35,7 @@
>
> #define MAX_PINS 32 /* 64 later, when known ok */
>
> -struct nsc_gpio_ops scx200_gpio_ops = {
> +static struct nsc_gpio_ops scx200_gpio_ops = {
> .owner = THIS_MODULE,
> .gpio_config = scx200_gpio_configure,
> .gpio_dump = nsc_gpio_dump,
> @@ -44,7 +44,6 @@
> .gpio_change = scx200_gpio_change,
> .gpio_current = scx200_gpio_current
> };
> -EXPORT_SYMBOL(scx200_gpio_ops);
>
> static int scx200_gpio_open(struct inode *inode, struct file *file)
> {
> @@ -69,7 +68,7 @@
> .release = scx200_gpio_release,
> };
>
> -struct cdev scx200_gpio_cdev; /* use 1 cdev for all pins */
> +static struct cdev scx200_gpio_cdev; /* use 1 cdev for all pins */
>
> static int __init scx200_gpio_init(void)
> {
>
> -
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--
Chris Boot
bootc@bootc.net
http://www.bootc.net/
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