diff mbox series

[PATCHv2,03/12] cuda: don't call cuda_update() when writing to ACR register

Message ID 20180209185142.17151-4-mark.cave-ayland@ilande.co.uk
State New
Headers show
Series cuda: various fixes, tidy-ups, and move 6522 to separate device | expand

Commit Message

Mark Cave-Ayland Feb. 9, 2018, 6:51 p.m. UTC
The wire protocol for reading data to/from the VIA is triggered by changing
inputs on port B rather than changing the timer configuration via the ACR.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/misc/macio/cuda.c | 1 -
 1 file changed, 1 deletion(-)

Comments

David Gibson Feb. 10, 2018, 10:35 p.m. UTC | #1
On Fri, Feb 09, 2018 at 06:51:33PM +0000, Mark Cave-Ayland wrote:
> The wire protocol for reading data to/from the VIA is triggered by changing
> inputs on port B rather than changing the timer configuration via the ACR.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

Applied, thanks.

> ---
>  hw/misc/macio/cuda.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
> index eaa8924f49..1d0f7e8289 100644
> --- a/hw/misc/macio/cuda.c
> +++ b/hw/misc/macio/cuda.c
> @@ -406,7 +406,6 @@ static void cuda_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
>      case CUDA_REG_ACR:
>          s->acr = val;
>          cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
> -        cuda_update(s);
>          break;
>      case CUDA_REG_PCR:
>          s->pcr = val;
diff mbox series

Patch

diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
index eaa8924f49..1d0f7e8289 100644
--- a/hw/misc/macio/cuda.c
+++ b/hw/misc/macio/cuda.c
@@ -406,7 +406,6 @@  static void cuda_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
     case CUDA_REG_ACR:
         s->acr = val;
         cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
-        cuda_update(s);
         break;
     case CUDA_REG_PCR:
         s->pcr = val;