[PATCH] msm: fix debug-macro.S build failure

Nicolas Pitre nico at fluxnic.net
Thu Oct 28 14:40:19 EDT 2010


On Thu, 28 Oct 2010, Daniel Walker wrote:

> On Thu, 2010-10-28 at 14:24 -0400, Nicolas Pitre wrote:
> > On Thu, 28 Oct 2010, Daniel Walker wrote:
> > 
> > > This is what the function currently has,
> > > 
> > >         .macro  addruart, rp, rv
> > >         ldr     \rp, =MSM_DEBUG_UART_PHYS
> > >         ldr     \rv, =MSM_DEBUG_UART_BASE
> > >         .endm
> > > 
> > > So if we have a MSM_DEBUG_UART_PHYS and MSM_DEBUG_UART_BASE we're
> > > returning it. We don't actually have those values for all the boards
> > > tho. My understanding was that there are some generic arm changes
> > > needed, but I need to confirm that.
> > 
> > Just return 0 in both registers when you have nothing better to return.
> 
> What about the other functions ?

We can test for rv == 0 and bail out early with a "mov pc, lr".


Nicolas



More information about the linux-arm-kernel mailing list