From: ext Tony Lindgren <tony@xxxxxxxxxxx>
Subject: Re: [PATCH 1/1] IOMMU: function flush_iotlb_page is not flushing correct entry
Date: Thu, 18 Jun 2009 07:05:56 +0200
> * Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx> [090615 12:39]:
> > From: Fernando Guzman Lugo <x0095840@xxxxxx>
> >
> > From: Fernando Guzman Lugo <x0095840@xxxxxx>
> >
> > The function flush_iotlb_page is not loading the CAM register with
> > the correct entry to be flushed, so it is flushing other entry
> >
> > Signed-off-by: Fernando Guzman Lugo <x0095840@xxxxxx>
> > Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx>
> > ---
> > arch/arm/plat-omap/iommu.c | 2 +-
> > 1 files changed, 1 insertions(+), 1 deletions(-)
> > mode change 100644 => 100755 arch/arm/plat-omap/iommu.c
> >
> > diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
> > old mode 100644
> > new mode 100755
>
> This made some bad mode changes as noted by Paul, will fix in l-o master
> and in omap-fixes. But please check your repos too!
Will check. Maybe I did something wrong in my emacs dired-mode...:(
>
> Tony
>
> > index 4cf449f..4a03013
> > --- a/arch/arm/plat-omap/iommu.c
> > +++ b/arch/arm/plat-omap/iommu.c
> > @@ -298,7 +298,7 @@ void flush_iotlb_page(struct iommu *obj, u32 da)
> > if ((start <= da) && (da < start + bytes)) {
> > dev_dbg(obj->dev, "%s: %08x<=%08x(%x)\n",
> > __func__, start, da, bytes);
> > -
> > + iotlb_load_cr(obj, &cr);
> > iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY);
> > }
> > }
> > --
> > 1.6.0.4
> >
> > --
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