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UIO: allow binding uio_pdrv_genirq.c to devices using command line option

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This adds ability to bind uio driver to given open firmware device
using command line option. Thus, userspace driver can be developed and
used without modifying the kernel.

Signed-off-by: Pavel Machek <pavel@denx.de>
Tested-by: Detlev Zundel <dzu@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pavel Machek 2013-06-18 22:35:58 +02:00 committed by Greg Kroah-Hartman
parent 4debfe409b
commit 05c3e0bb56
1 changed files with 6 additions and 2 deletions
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8
drivers/uio/uio_pdrv_genirq.c
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@ -263,10 +263,14 @@ static const struct dev_pm_ops uio_pdrv_genirq_dev_pm_ops = {
};
#ifdef CONFIG_OF
static const struct of_device_id uio_of_genirq_match[] = {
{ /* empty for now */ },
static struct of_device_id uio_of_genirq_match[] = {
{ /* This is filled with module_parm */ },
{ /* Sentinel */ },
};
MODULE_DEVICE_TABLE(of, uio_of_genirq_match);
module_param_string(of_id, uio_of_genirq_match[0].compatible, 128, 0);
MODULE_PARM_DESC(of_id, "Openfirmware id of the device to be handled by uio");
#else
# define uio_of_genirq_match NULL
#endif