On 07/16/2013 03:28:06 AM, David Laight wrote:
> On 07/15/2013 11:53:54 AM, Scott Wood wrote:
> > On 07/15/2013 03:45:36 AM, David Laight wrote:
> >> Also, if the high word changes, there is no need to loop.
> >> Just return the second value with a low word of zero
> >> (the returned count happen
> On 07/15/2013 11:53:54 AM, Scott Wood wrote:
> > On 07/15/2013 03:45:36 AM, David Laight wrote:
> >> Also, if the high word changes, there is no need to loop.
> >> Just return the second value with a low word of zero
> >> (the returned count happened while the function was active).
> >
> > That w
On 07/15/2013 11:53:54 AM, Scott Wood wrote:
On 07/15/2013 03:45:36 AM, David Laight wrote:
Also, if the high word changes, there is no need to loop.
Just return the second value with a low word of zero
(the returned count happened while the function was active).
That would be more complicated
On 07/15/2013 01:03:22 AM, Aneesh Kumar K.V wrote:
Scott Wood writes:
> diff --git a/arch/powerpc/platforms/Kconfig.cputype
b/arch/powerpc/platforms/Kconfig.cputype
> index ae0aaea..7f0e2e5 100644
> --- a/arch/powerpc/platforms/Kconfig.cputype
> +++ b/arch/powerpc/platforms/Kconfig.cputype
On 07/15/2013 03:45:36 AM, David Laight wrote:
> +#define MFTB(dest, scratch1, scratch2)\
> +90: mftbu scratch1; \
> + mftbl dest; \
> + mftbu scratch2; \
> + cmpwscratch1,scratch2; \
> + bne 90b;\
> +#define MFTB(dest, scratch1, scratch2) \
> +90: mftbu scratch1; \
> + mftbl dest; \
> + mftbu scratch2; \
> + cmpwscratch1,scratch2; \
> + bne 90b;\
> + rldimi dest,scratch1,32,0;
Ar
Scott Wood writes:
> diff --git a/arch/powerpc/platforms/Kconfig.cputype
> b/arch/powerpc/platforms/Kconfig.cputype
> index ae0aaea..7f0e2e5 100644
> --- a/arch/powerpc/platforms/Kconfig.cputype
> +++ b/arch/powerpc/platforms/Kconfig.cputype
> @@ -165,6 +165,17 @@ config PPC_E500MC
> s
