On Sat, Jun 6, 2009 at 9:17 AM, wael showair<showair2...@yahoo.com> wrote: > > Hi All, > i have a freescale board, that contains MPC8555 processor & DSP-core > there is a GPIO connecting the DSP-core into an input pin of the OpenPIC of > the MPC8555 processor. > > i test one interrupt from the DSP-core to the MPC8555 processor where i > configure this interrupt line to be edge-triggered (falling edge) & i > receive it successfully > but > when i generate this interrupt 10 successive times using for loop > i just receive 2 interrupts? > > why can't i receive the 8 other interrupts? > i print the value of every irq number inside do_IRQ & i found that i receive > the DSP-interrupt just only twice. > > do u have any suggestions to solve this problem? > i want to make sure that i can receive 10 interrupts
Don't do a printk() with interrupts disabled. A printk() takes 1.5ms on a mpc5200. > -- > View this message in context: > http://www.nabble.com/Missing-some-interrupts-tp23901807p23901807.html > Sent from the linuxppc-dev mailing list archive at Nabble.com. > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev > -- Jon Smirl jonsm...@gmail.com _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
