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[77.13.82.236]) by smtp.gmail.com with ESMTPSA id c10-20020a056402100a00b00483dd234ac6sm8178318edu.96.2023.01.31.03.53.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Jan 2023 03:53:49 -0800 (PST) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Igor Mammedov , Richard Henderson , Ani Sinha , "Michael S. Tsirkin" , Paolo Bonzini , BALATON Zoltan , Thomas Huth , Marcel Apfelbaum , Eduardo Habkost , Laurent Vivier , Sunil Muthuswamy , qemu-trivial@nongnu.org, Bernhard Beschow Subject: [PATCH v2 01/20] hw/pci-host/i440fx: Inline sysbus_add_io() Date: Tue, 31 Jan 2023 12:53:07 +0100 Message-Id: <20230131115326.12454-2-shentey@gmail.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230131115326.12454-1-shentey@gmail.com> References: <20230131115326.12454-1-shentey@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::530; envelope-from=shentey@gmail.com; helo=mail-ed1-x530.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org sysbus_add_io() just wraps memory_region_add_subregion() while also obscuring where the memory is attached. So use memory_region_add_subregion() directly and attach it to the existing memory region s->bus->address_space_io which is set as an alias to get_system_io() by the pc machine. Signed-off-by: Bernhard Beschow Reviewed-by: Thomas Huth --- hw/pci-host/i440fx.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c index 262f82c303..9c6882d3fc 100644 --- a/hw/pci-host/i440fx.c +++ b/hw/pci-host/i440fx.c @@ -27,6 +27,7 @@ #include "qemu/range.h" #include "hw/i386/pc.h" #include "hw/pci/pci.h" +#include "hw/pci/pci_bus.h" #include "hw/pci/pci_host.h" #include "hw/pci-host/i440fx.h" #include "hw/qdev-properties.h" @@ -217,10 +218,10 @@ static void i440fx_pcihost_realize(DeviceState *dev, Error **errp) PCIHostState *s = PCI_HOST_BRIDGE(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - sysbus_add_io(sbd, 0xcf8, &s->conf_mem); + memory_region_add_subregion(s->bus->address_space_io, 0xcf8, &s->conf_mem); sysbus_init_ioports(sbd, 0xcf8, 4); - sysbus_add_io(sbd, 0xcfc, &s->data_mem); + memory_region_add_subregion(s->bus->address_space_io, 0xcfc, &s->data_mem); sysbus_init_ioports(sbd, 0xcfc, 4); /* register i440fx 0xcf8 port as coalesced pio */