linux-kernel - RE: [PATCHv3 5/9] dspbridge: add mmufault support

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Date:	Thu, 1 Jul 2010 13:26:35 -0500
From:	"Guzman Lugo, Fernando" <fernando.lugo@...com>
To:	"Kanigeri, Hari" <h-kanigeri2@...com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"ohad@...ery.com" <ohad@...ery.com>,
	Hiroshi DOYU <Hiroshi.DOYU@...ia.com>,
	"ameya.palande@...ia.com" <ameya.palande@...ia.com>,
	"felipe.contreras@...ia.com" <felipe.contreras@...ia.com>
Subject: RE: [PATCHv3 5/9] dspbridge: add mmufault support



> -----Original Message-----
> From: Kanigeri, Hari
> Sent: Thursday, July 01, 2010 1:04 PM
> To: Guzman Lugo, Fernando; linux-omap@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Cc: ohad@...ery.com; Hiroshi DOYU; ameya.palande@...ia.com;
> felipe.contreras@...ia.com
> Subject: RE: [PATCHv3 5/9] dspbridge: add mmufault support
> 
> > > > +	da = iommu_read_reg(mmu, MMU_FAULT_AD);
> > > > +	iommu_write_reg(mmu, 0, MMU_IRQENABLE);
> > >
> > > -- Isn't the MMU already enabled at this point when the function
> > callback
> > > is called by iommu ?
> >
> > This line is actually disabling the interrupts. I am writing "0x0" in
> the
> > MMU_IRQENABLE.
> 
> -- oops ! sorry about that. Didn't pay attention to 0x0. Yes, this should
> work.

Not problem :). Could you please comment in the second set of patches I sent? The previous ones have version 3 which is not correct, that was a version I was using internally, but the patches shouldn't have sent to mailing list with that version. Because it is the first version posted.

Thanks and regards,
Fernando.

> 
> Best regards,
> Hari
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