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[Qemu-devel] [PULL 19/23] hw/arm/virt: fix pl011 and pl031 irq flags


From: Peter Maydell
Subject: [Qemu-devel] [PULL 19/23] hw/arm/virt: fix pl011 and pl031 irq flags
Date: Fri, 12 Sep 2014 14:23:50 +0100

The pl011 and pl031 devices both use level triggered interrupts,
but the device tree we construct was incorrectly telling the
kernel to configure the GIC to treat them as edge triggered.
This meant that output from the pl011 would hang after a while.

Signed-off-by: Peter Maydell <address@hidden>
Message-id: address@hidden
Acked-by: Christoffer Dall <address@hidden>
Cc: address@hidden
---
 hw/arm/virt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 3661cfa..cc7981c 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -372,7 +372,7 @@ static void create_uart(const VirtBoardInfo *vbi, qemu_irq 
*pic)
                                      2, base, 2, size);
     qemu_fdt_setprop_cells(vbi->fdt, nodename, "interrupts",
                                GIC_FDT_IRQ_TYPE_SPI, irq,
-                               GIC_FDT_IRQ_FLAGS_EDGE_LO_HI);
+                               GIC_FDT_IRQ_FLAGS_LEVEL_HI);
     qemu_fdt_setprop_cells(vbi->fdt, nodename, "clocks",
                                vbi->clock_phandle, vbi->clock_phandle);
     qemu_fdt_setprop(vbi->fdt, nodename, "clock-names",
@@ -399,7 +399,7 @@ static void create_rtc(const VirtBoardInfo *vbi, qemu_irq 
*pic)
                                  2, base, 2, size);
     qemu_fdt_setprop_cells(vbi->fdt, nodename, "interrupts",
                            GIC_FDT_IRQ_TYPE_SPI, irq,
-                           GIC_FDT_IRQ_FLAGS_EDGE_LO_HI);
+                           GIC_FDT_IRQ_FLAGS_LEVEL_HI);
     qemu_fdt_setprop_cell(vbi->fdt, nodename, "clocks", vbi->clock_phandle);
     qemu_fdt_setprop_string(vbi->fdt, nodename, "clock-names", "apb_pclk");
     g_free(nodename);
-- 
1.9.1




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