On Thu, May 24, 2012 at 10:56 PM, John Stultz <johns...@us.ibm.com> wrote: > Hey Arnd, Rob, > So after Arnd's help sorting a workaround for the mmc driver, I'm now > trying to sort out the following HDMI failure I'm seeing w/ the current > 3.5-rc with my Panda Board. > > [ 2.973693] omapdss error: HPD IRQ request failed > [ 2.978759] omapdss HDMI error: failed to power on device > [ 2.982391] smsc95xx 1-1.1:1.0: eth0: register 'smsc95xx' at > usb-ehci-omap.09 > [ 2.996459] omapdss error: failed to power on > [ 3.001037] omapfb omapfb: Failed to enable display 'hdmi' > [ 3.006805] omapfb omapfb: failed to initialize default display > [ 3.013183] Console: switching to colour dummy device 80x30 > [ 3.022430] omapfb omapfb: failed to setup omapfb > [ 3.027374] omapfb: probe of omapfb failed with error -5 > > Any guesses on this? >
( This is just guesswork, as you asked :-) ) Apparently, request_threaded_irq requires that IRQF_ONESHOT be passed as a flag, when the handler function is NULL. Many drivers are facing this issue. Russell posted a patch [1] to fix 2 of them (see this patch log). Maybe DSS also requires this change. [1] http://marc.info/?l=linux-arm-kernel&m=133785047227029&w=2 _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
