Re: [PATCH 2/3] ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations

2014-10-08 Thread Will Deacon
Hi all, On Wed, Oct 01, 2014 at 06:54:18PM +0100, Stephen Boyd wrote: > On 09/19/14 11:24, Stephen Boyd wrote: > > On 09/18/14 15:46, Russell King - ARM Linux wrote: > >> I know that you're changing this to conform with the ARM ARM, but we > >> have to consider that before VFP was subsumed into th

Re: [PATCH 2/3] ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations

2014-10-01 Thread Stephen Boyd
On 10/01/14 14:50, Russell King - ARM Linux wrote: > On Fri, Sep 19, 2014 at 11:24:01AM -0700, Stephen Boyd wrote: >> >> Do you, or anyone else, know of other implementations? I *hope* that >> this same exercise was done by the VFP architects before they >> re-purposed bits but who knows. If nobody

Re: [PATCH 2/3] ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations

2014-10-01 Thread Russell King - ARM Linux
On Fri, Sep 19, 2014 at 11:24:01AM -0700, Stephen Boyd wrote: > Thank you for the warm welcome! I looked at the TRMs for ARM11 and ARM9. > I can't find anywhere where VFPv2 is supported and these bits are set. > > Bits 22-16 of FPSID: > > ARM1136r1p5: 0x01 > ARM1136r1p3: 0x01 > ARM1176:

Re: [PATCH 2/3] ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations

2014-10-01 Thread Stephen Boyd
On 09/19/14 11:24, Stephen Boyd wrote: > On 09/18/14 15:46, Russell King - ARM Linux wrote: >> On Thu, Sep 18, 2014 at 02:43:11PM -0700, Stephen Boyd wrote: >>> diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h >>> index f4ab34fd4f72..76d3f6907cce 100644 >>> --- a/arch/arm/includ

Re: [PATCH 2/3] ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations

2014-09-19 Thread Stephen Boyd
On 09/18/14 15:46, Russell King - ARM Linux wrote: > On Thu, Sep 18, 2014 at 02:43:11PM -0700, Stephen Boyd wrote: >> diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h >> index f4ab34fd4f72..76d3f6907cce 100644 >> --- a/arch/arm/include/asm/vfp.h >> +++ b/arch/arm/include/asm/vfp

Re: [PATCH 2/3] ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations

2014-09-18 Thread Russell King - ARM Linux
On Thu, Sep 18, 2014 at 02:43:11PM -0700, Stephen Boyd wrote: > diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h > index f4ab34fd4f72..76d3f6907cce 100644 > --- a/arch/arm/include/asm/vfp.h > +++ b/arch/arm/include/asm/vfp.h > @@ -21,7 +21,7 @@ > #define FPSID_FORMAT_MASK(0