Re: [PATCH v2] powerpc: Add workaround for MPICs with broken register reads

2007-09-07 Thread Olof Johansson
On Fri, Sep 07, 2007 at 09:11:52AM -0500, Milton Miller wrote: > I'm sorry, I didn't mean to imply it should be asked / selectable, just > that the help should be provided. I won't object to leaving it except > that it asks the average user unnecessary questions. In other words, drop > the

Re: [PATCH v2] powerpc: Add workaround for MPICs with broken register reads

2007-09-07 Thread Milton Miller
On Sep 7, 2007, at 4:21 AM, Olof Johansson wrote: > Some versions of PWRficient 1682M have an interrupt controller in which > the first register in each pair for interrupt sources doesn't always > read with the right polarity/sense values. > > To work around this, keep a software copy of the regi

[PATCH v2] powerpc: Add workaround for MPICs with broken register reads

2007-09-07 Thread Olof Johansson
Some versions of PWRficient 1682M have an interrupt controller in which the first register in each pair for interrupt sources doesn't always read with the right polarity/sense values. To work around this, keep a software copy of the register instead. Since it's not modified from the mpic itself, i