| Message ID | 1314149486-5105-1-git-send-email-Baohua.Song@csr.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
> > using cpu_relax in busy loops is a well-known idiom in the kernel. It's more > > for documentation purposes than technically needed here. > > > > Cc: Jamie Iles <jamie@jamieiles.com> > > Signed-off-by: Barry Song <Baohua.Song@csr.com> > > Acked-by: Linus Walleij <linus.walleij@linaro.org> > > Do you want me to push this to the ux500 tree or will > you feed it in some other way? Linus, better push it to ux500 and Arnd pull your ux500. > > Thanks! > Linus Walleij -barry Member of the CSR plc group of companies. CSR plc registered in England and Wales, registered number 4187346, registered office Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, United Kingdom More information can be found at www.csr.com. Follow CSR on Twitter at http://twitter.com/CSR_PLC and read our blog at www.csr.com/blog
On Wed, Aug 24, 2011 at 9:43 AM, Barry Song <Baohua.Song@csr.com> wrote:
> Linus, better push it to ux500 and Arnd pull your ux500.
OK I have it in ux500-core, i'll take care of it.
Linus Walleij
On Wednesday 24 August 2011, Barry Song wrote: > using cpu_relax in busy loops is a well-known idiom in the kernel. It's more > for documentation purposes than technically needed here. > > Cc: Jamie Iles <jamie@jamieiles.com> > Signed-off-by: Barry Song <Baohua.Song@csr.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index 1da23bb..76ee355 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -62,7 +62,7 @@ static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask) { /* wait for the operation to complete */ while (readl_relaxed(reg) & mask) - ; + cpu_relax(); } static inline void ux500_cache_sync(void)
using cpu_relax in busy loops is a well-known idiom in the kernel. It's more for documentation purposes than technically needed here. Cc: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Barry Song <Baohua.Song@csr.com> --- arch/arm/mach-ux500/cpu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)