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bh=1EUpEPdGCMPna7btGH7N3m/vHp8//TkK2jHWAgDDhkw=; b=OESTLlcRrD2Drzo1+ie3aNfqpCCRetHvbl1PuSphodplt/OzVO5Ulp42m9dQCL3hG1KVVV +N4xWqv4le0jlCXrUqS1LrJ5xu5mWziKiy6U4eecFj1OxI1PO7f+LG7VlkjhDjBxsm9Op5 JmhDb1eo0HUlj3fubtg4oeLaS8xtlEQ= X-MC-Unique: 6-hPFmKjPh-owNGBxrsvJA-1 From: Thomas Huth To: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Huacai Chen , qemu-devel@nongnu.org Cc: Jiaxun Yang , qemu-trivial@nongnu.org Subject: [PATCH v3] hw/mips: Improve the default USB settings in the loongson3-virt machine Date: Fri, 14 Jul 2023 12:49:03 +0200 Message-Id: <20230714104903.284845-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1689331813683100001 Content-Type: text/plain; charset="utf-8" It's possible to compile QEMU without the USB devices (e.g. when using "--without-default-devices" as option for the "configure" script). To be still able to run the loongson3-virt machine in default mode with such a QEMU binary, we have to check here for the availability of the OHCI controller first before instantiating the USB devices. Signed-off-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- v3: Back to runtime detection, but more simple this time compared to v1 (checking for OHCI should be enough, since this implies CONFIG_USB which is the switch that usb-kbd and usb-tablet are depending on) hw/mips/loongson3_virt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/mips/loongson3_virt.c b/hw/mips/loongson3_virt.c index 4018b8c1d3..3ad0a223df 100644 --- a/hw/mips/loongson3_virt.c +++ b/hw/mips/loongson3_virt.c @@ -447,7 +447,7 @@ static inline void loongson3_virt_devices_init(MachineS= tate *machine, =20 pci_vga_init(pci_bus); =20 - if (defaults_enabled()) { + if (defaults_enabled() && object_class_by_name("pci-ohci")) { pci_create_simple(pci_bus, -1, "pci-ohci"); usb_create_simple(usb_bus_find(-1), "usb-kbd"); usb_create_simple(usb_bus_find(-1), "usb-tablet"); --=20 2.39.3