Hello Ari, On Thu, 12 Mar 2009, Kauppi Ari (EXT-Ixonos/Oulu) wrote: > I was seeing some Spurious irq's for the I2C1 (IRQ 56). > > I'm aware of flushing posted write and the very first thing I tried was > to use read-after-write for OMAP_I2C_STAT_REG (in all applicable > places). However, it didn't make any difference. Strange. > Applying Richard Woodruff's patch (mentioned earlier in thread) that > disables dev->b_hw hack for 3430 (STT/STP bits written together) and > double clears ARDY fixed the spurious IRQ issues for I2C1. > > However, with the STT/STP+ARDY patch I was seeing Spurious interrupts > all over the place and the IRQF_DISABLED in i2c-omap seemed to tame them > quite well. I do agree that my approach might not be the proper one in > long term. Could you clarify this? Do Richard's patches fix the spurious IRQs, or cause spurious interrupts to appear? regards, - Paul -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
