Messages in this thread Patch in this message | | | Date | Tue, 18 Jun 2013 16:30:43 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH] Allow binding drivers/uio/uio_pdrv_genirq.c to devices using command line option |
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On Tue 2013-06-18 15:02:16, Pavel Machek wrote: > On Mon 2013-06-17 10:37:38, Greg KH wrote: > > On Mon, Jun 17, 2013 at 03:47:41PM +0200, Pavel Machek wrote: > > > Hi! > > > > > > > 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> > > > > > > Ping? Greg, could you apply this patch? Or is there someone else I > > > should ask to apply it? > > > > Ugh, Hans seems to have dropped off of the net for a long time now, so I > > guess I'll start queueing up UIO patches again. Care to resend this? > > Here you go. It still applies to your -next tree.
And here's version that removes "const" that is no longer true. I missed the compile warning before. Sorry, Pavel
-(cut here)-
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>
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c index d594dd9..9741549 100644 --- a/drivers/uio/uio_pdrv_genirq.c +++ b/drivers/uio/uio_pdrv_genirq.c @@ -258,10 +258,14 @@ 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
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