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[PATCH v8 09/18] hw/arm/npcm7xx: Keep the automatic hub
- To: "kraxel@xxxxxxxxxx" <kraxel@xxxxxxxxxx>, "marcandre.lureau@xxxxxxxxxx" <marcandre.lureau@xxxxxxxxxx>, "junjie.cao@xxxxxxxxx" <junjie.cao@xxxxxxxxx>, "junjie.cao@xxxxxxxxx" <junjie.cao@xxxxxxxxx>, "clg@xxxxxxxx" <clg@xxxxxxxx>, Pierrick Bouvier <pierrick.bouvier@xxxxxxxxxxxxxxxx>, Peter Maydell <peter.maydell@xxxxxxxxxx>, Kane Chen <kane_chen@xxxxxxxxxxxxxx>, Philippe Mathieu-Daudé <philmd@xxxxxxxxxxxxxxxx>, Tyrone Ting <kfting@xxxxxxxxxxx>, Hao Wu <wuhaotsh@xxxxxxxxxx>, Zhao Liu <zhao1.liu@xxxxxxxxx>, Richard Henderson <richard.henderson@xxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony@xxxxxxxxxxxxxx>, "Edgar E. Iglesias" <edgar.iglesias@xxxxxxxxx>, "open list:All patches CC here" <qemu-devel@xxxxxxxxxx>, "open list:ASPEED BMCs" <qemu-arm@xxxxxxxxxx>, "open list:X86 Xen CPUs" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jamin Lin <jamin_lin@xxxxxxxxxxxxxx>
- Date: Mon, 2 Nov 2026 09:22:15 +0000
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- Cc: Jamin Lin <jamin_lin@xxxxxxxxxxxxxx>, Troy Lee <troy_lee@xxxxxxxxxxxxxx>
- Delivery-date: Mon, 02 Nov 2026 09:24:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHdaqumID06mim1t02tHdx0pgsQmw==
- Thread-topic: [PATCH v8 09/18] hw/arm/npcm7xx: Keep the automatic hub
The OHCI companion has one port, so a second device only fits behind
the hub.
npcm7xx has no versioned machine type, so compat cannot reach it. Turn
the property on here instead. The companion shares the EHCI bus, so
the EHCI carries the property.
Suggested-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Signed-off-by: Jamin Lin <jamin_lin@xxxxxxxxxxxxxx>
---
hw/arm/npcm7xx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/arm/npcm7xx.c b/hw/arm/npcm7xx.c
index 695f30a0dc..3f5b33d7e3 100644
--- a/hw/arm/npcm7xx.c
+++ b/hw/arm/npcm7xx.c
@@ -628,6 +628,8 @@ static void npcm7xx_realize(DeviceState *dev, Error **errp)
/* USB Host */
object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
&error_abort);
+ object_property_set_bool(OBJECT(&s->ehci), "auto-hub", true,
+ &error_abort);
sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
--
2.43.0
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