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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: patches@linaro.org
Subject: [Qemu-devel] [PATCH 15/16] hw/dma/pl080: Remove hw_error() if DMA is enabled
Date: Thu,  9 Aug 2018 14:01:14 +0100	[thread overview]
Message-ID: <20180809130115.28951-16-peter.maydell@linaro.org> (raw)
In-Reply-To: <20180809130115.28951-1-peter.maydell@linaro.org>

The PL08x model currently will unconditionally call hw_error()
if the DMA engine is enabled by the guest. This has been
present since the PL080 model was edded in 2006, and is
presumably either unintentional debug code left enabled,
or a guard against untested DMA engine code being used.

Remove the hw_error(), since we now have a guest which
will actually try to use the DMA engine (the self-test
binary for the AN505 MPS2 FPGA image).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/dma/pl080.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/hw/dma/pl080.c b/hw/dma/pl080.c
index 8f92550392b..ef15d3e628d 100644
--- a/hw/dma/pl080.c
+++ b/hw/dma/pl080.c
@@ -110,7 +110,6 @@ static void pl080_run(PL080State *s)
     if ((s->conf & PL080_CONF_E) == 0)
         return;
 
-hw_error("DMA active\n");
     /* If we are already in the middle of a DMA operation then indicate that
        there may be new DMA requests and return immediately.  */
     if (s->running) {
-- 
2.17.1

  parent reply	other threads:[~2018-08-09 13:01 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-09 13:00 [Qemu-devel] [PATCH 00/16] arm: Implement MPS2 watchdogs and DMA Peter Maydell
2018-08-09 13:01 ` [Qemu-devel] [PATCH 01/16] hw/watchdog/cmsdk_apb_watchdog: Implement CMSDK APB watchdog module Peter Maydell
2018-08-18  1:27   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 02/16] nvic: Expose NMI line Peter Maydell
2018-08-10  5:05   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 03/16] hw/arm/iotkit: Wire up the watchdogs Peter Maydell
2018-08-17 23:47   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 04/16] hw/arm/iotkit: Wire up the S32KTIMER Peter Maydell
2018-08-17 23:49   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 05/16] hw/misc/iotkit-sysctl: Implement IoTKit system control element Peter Maydell
2018-08-18  0:23   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-18 10:04     ` Peter Maydell
2018-08-18 19:54       ` Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 06/16] hw/misc/iotkit: Wire up the " Peter Maydell
2018-08-18  0:00   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-18  9:55     ` Peter Maydell
2018-08-18 15:06       ` Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 07/16] hw/misc/tz-msc: Model TrustZone Master Security Controller Peter Maydell
2018-08-18  1:15   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 08/16] hw/misc/iotkit-secctl: Wire up registers for controlling MSCs Peter Maydell
2018-08-18  0:37   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-18 10:05     ` Peter Maydell
2018-08-18 15:42       ` Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 09/16] hw/arm/iotkit: Wire up the lines for MSCs Peter Maydell
2018-08-18  0:39   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 10/16] hw/dma/pl080: Allow use as embedded-struct device Peter Maydell
2018-08-10  5:18   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-10  5:27     ` Philippe Mathieu-Daudé
2018-08-10  9:03       ` Peter Maydell
2018-08-09 13:01 ` [Qemu-devel] [PATCH 11/16] hw/dma/pl080: Support all three interrupt lines Peter Maydell
2018-08-18  0:43   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 12/16] hw/dma/pl080: Don't use CPU address space for DMA accesses Peter Maydell
2018-08-10  5:10   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 13/16] hw/dma/pl080: Provide device reset function Peter Maydell
2018-08-10  5:11   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 14/16] hw/dma/pl080: Correct bug in register address decode logic Peter Maydell
2018-08-15 14:39   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-15 15:31     ` Peter Maydell
2018-08-09 13:01 ` Peter Maydell [this message]
2018-08-10  5:12   ` [Qemu-devel] [Qemu-arm] [PATCH 15/16] hw/dma/pl080: Remove hw_error() if DMA is enabled Philippe Mathieu-Daudé
2018-08-09 13:01 ` [Qemu-devel] [PATCH 16/16] hw/arm/mps2-tz: Create PL081s and MSCs Peter Maydell
2018-08-18  1:09   ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-08-18 10:07     ` Peter Maydell
2018-08-16 18:02 ` [Qemu-devel] [Qemu-arm] [PATCH 00/16] arm: Implement MPS2 watchdogs and DMA Peter Maydell
2018-08-18  1:29   ` Philippe Mathieu-Daudé

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