The irq number on powerpc ARCH is now a virtual number. This change was introduced by Ben's irq mapping change in early 2.6.18-rc.
- Leo > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Fredrik Roubert > Sent: Tuesday, October 24, 2006 12:41 AM > To: linuxppc-embedded@ozlabs.org > Subject: ARCH=powerpc: IRQ numbers change mysteriously > > Hi! > > On my MPC8439 based board, running Linux 2.6.18 with ARCH=powerpc, the > IRQ's for the I2C behave in a for me mysterious way. > > In my DTS file, I have the following: > > > [EMAIL PROTECTED] { > device_type = "i2c"; > compatible = "fsl-i2c"; > reg = <3000 100>; > interrupts = <e 8>; > interrupt-parent = <&/[EMAIL PROTECTED]/[EMAIL PROTECTED]>; > dfsrr; > }; > > [EMAIL PROTECTED] { > device_type = "i2c"; > compatible = "fsl-i2c"; > reg = <3000 100>; > interrupts = <f 8>; > interrupt-parent = <&/[EMAIL PROTECTED]/[EMAIL PROTECTED]>; > dfsrr; > }; > > > But when I boot the system and cat /proc/interrupts, the output says: > > > 18: 61 IPIC Level i2c-mpc > 19: 0 IPIC Level i2c-mpc > > > This doesn't make sense to me. Why are the IRQ numbers changed? They are > still adjacent, so it seems to be some logic to the change. Does anyone > know what this is? > > Cheers // Fredrik Roubert > > -- > Barco Medical Imaging | +32 56 233549 > http://www.barco.com/medical/ | [EMAIL PROTECTED] > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
