[PATCH 09/22] ncr5380: Adopt uniform DMA setup convention
Finn Thain
fthain at telegraphics.com.au
Mon Mar 14 20:19:58 PDT 2016
On Mon, 14 Mar 2016, Hannes Reinecke wrote:
> > @@ -1555,8 +1555,7 @@ static int NCR5380_transfer_dma(struct S
> > NCR5380_read(RESET_PARITY_INTERRUPT_REG);
> > *data = d + c;
> > *count = 0;
> > - *phase = NCR5380_read(STATUS_REG) & PHASE_MASK;
> > - return foo;
> > + return result;
> > }
> >
> > /*
>
> Don't you miss a phase update here?
I guess I missed explaining the change in the commit log.
The *phase assignment is redundant because after NCR5380_transfer_dma()
returns control to NCR5380_information_transfer(), the latter routine then
also returns, and so *phase is dead.
--
>
> Cheers,
>
> Hannes
>
More information about the linux-arm-kernel
mailing list