> -----Original Message----- > From: Felix Fietkau [mailto:[email protected]] > Sent: Monday, July 06, 2015 3:00 PM > To: Guenther Kelleter; [email protected] > Subject: Re: [OpenWrt-Devel] [PATCH v2 6/8] generic: replace request_irq by > request_threaded_irq to fix non working ledtrig-gpio > > On 2015-07-06 14:14, Guenther Kelleter wrote: > > > >> -----Original Message----- > >> From: Felix Fietkau [mailto:[email protected]] > >> Sent: Monday, July 06, 2015 12:43 PM > >> To: Guenther Kelleter; [email protected] > >> Subject: Re: [OpenWrt-Devel] [PATCH v2 6/8] generic: replace > >> request_irq by request_threaded_irq to fix non working ledtrig-gpio > >> > >> On 2015-07-02 13:47, Günther Kelleter wrote: > >> > Signed-off-by: Günther Kelleter <[email protected]> > >> What issue does this fix? > >> > >> - Felix > > > > Without this change, gpio_trig_gpio_store() throws this error: > > [ 88.540000] leds devolo:status:dlan: request_irq failed with error -22 > > [ 88.550000] leds devolo:error:dlan: request_irq failed with error -22 > If you rework the GPIO IRQ handler code to not require threading, you probably > won't have to change this generic code. > > - Felix
I don't see how I could rework this. It fails because of nested interrupt handlers. Someone already tried to solve this issue on lkml http://lkml.iu.edu/hypermail/linux/kernel/1409.1/00930.html but this also requires generic code changes. Günther _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
