On Sat, Feb 24, 2007 at 07:06:43PM -0800, Pete Zaitcev wrote:
> This patch adds a class which allows for an easier integration with udev.
>
> Signed-off-by: Paolo Abeni <[EMAIL PROTECTED]>
> Signed-off-by: Pete Zaitcev <[EMAIL PROTECTED]>
>
> ---
>
> Paolo, I touched up two places:
> - class_create returns ERR_PTR on error, not NULL
> - I prefer a LIFO order of construction/destruction in case of
> lifetime issues
>
> Otherwise, it's your patch. I verified with double-diffing.
> But make sure to re-apply and re-test, please.
>
> diff -urp -X dontdiff linux-2.6.21-rc1-gregkh-mon/drivers/usb/mon/mon_bin.c
> linux-2.6.20-mon/drivers/usb/mon/mon_bin.c
> --- linux-2.6.21-rc1-gregkh-mon/drivers/usb/mon/mon_bin.c 2007-02-24
> 18:00:29.000000000 -0800
> +++ linux-2.6.20-mon/drivers/usb/mon/mon_bin.c 2007-02-24
> 18:56:56.000000000 -0800
> @@ -172,6 +201,7 @@ static inline struct mon_bin_hdr *MON_OF
>
> #define MON_RING_EMPTY(rp) ((rp)->b_cnt == 0)
>
> +static struct class *mon_bin_class;
> static dev_t mon_bin_dev0;
> static struct cdev mon_bin_cdev;
>
> @@ -1142,10 +1243,35 @@ static void mon_free_buff(struct mon_pgm
> free_page((unsigned long) map[n].ptr);
> }
>
> +int mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus)
> +{
> + struct device *dev;
> + unsigned minor = ubus->busnum;
> +
> + if (minor >= MON_BIN_MAX_MINOR)
> + return 0;
> +
> + dev = device_create(mon_bin_class, NULL,
> + MKDEV(MAJOR(mon_bin_dev0), minor), "usbmon%d", minor);
>
Don't you really want to tie this device to a "real" device that we
already have? Like the usb_bus? What's wrong with using that as the
parent here?
I think the tree will look better if you do that, can you try it?
thanks,
greg k-h
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