{"id":2221240,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2221240/?format=json","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.0/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260408220928.3328551-4-daniel@thingy.jp>","date":"2026-04-08T22:09:26","name":"[v3,3/5] virtio: mmio: Allow instantiation via platform data","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"0c6becc94633c915f3ad9a5859426ccd2867d65b","submitter":{"id":85408,"url":"http://patchwork.ozlabs.org/api/1.0/people/85408/?format=json","name":"Daniel Palmer","email":"daniel@thingy.jp"},"delegate":{"id":14103,"url":"http://patchwork.ozlabs.org/api/1.0/users/14103/?format=json","username":"spectrum","first_name":"Angelo","last_name":"Dureghello","email":"sysamfw@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260408220928.3328551-4-daniel@thingy.jp/mbox/","series":[{"id":499218,"url":"http://patchwork.ozlabs.org/api/1.0/series/499218/?format=json","date":"2026-04-08T22:09:23","name":"Add virtio-mmio support to m68k virt machine","version":3,"mbox":"http://patchwork.ozlabs.org/series/499218/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221240/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=thingy.jp header.i=@thingy.jp header.a=rsa-sha256\n header.s=google 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2.51.0","In-Reply-To":"<20260408220928.3328551-1-daniel@thingy.jp>","References":"<20260408220928.3328551-1-daniel@thingy.jp>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"The m68k QEMU virt machine doesn't use devicetree, yet, so\nallow it to create virtio-mmio instances via platform data.\n\nSigned-off-by: Daniel Palmer \n---\n drivers/virtio/virtio_mmio.c | 27 ++++++++++++++++++---------\n include/virtio_mmio.h | 12 ++++++++++++\n 2 files changed, 30 insertions(+), 9 deletions(-)\n create mode 100644 include/virtio_mmio.h","diff":"diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c\nindex 1cd737aca249..28b46ab66238 100644\n--- a/drivers/virtio/virtio_mmio.c\n+++ b/drivers/virtio/virtio_mmio.c\n@@ -12,6 +12,7 @@\n #include \n #include \n #include \n+#include \n #include \n #include \n #include \n@@ -335,21 +336,28 @@ static int virtio_mmio_notify(struct udevice *udev, struct virtqueue *vq)\n \n static int virtio_mmio_of_to_plat(struct udevice *udev)\n {\n-\tstruct virtio_mmio_priv *priv = dev_get_priv(udev);\n+\tstruct virtio_mmio_plat *plat = dev_get_plat(udev);\n+\tfdt_addr_t addr;\n+\n+\taddr = dev_read_addr(udev);\n \n-\tpriv->base = (void __iomem *)(ulong)dev_read_addr(udev);\n-\tif (priv->base == (void __iomem *)FDT_ADDR_T_NONE)\n+\tif (addr == FDT_ADDR_T_NONE)\n \t\treturn -EINVAL;\n \n+\tplat->base = addr;\n+\n \treturn 0;\n }\n \n static int virtio_mmio_probe(struct udevice *udev)\n {\n+\tstruct virtio_mmio_plat *plat = dev_get_plat(udev);\n \tstruct virtio_mmio_priv *priv = dev_get_priv(udev);\n \tstruct virtio_dev_priv *uc_priv = dev_get_uclass_priv(udev);\n \tu32 magic;\n \n+\tpriv->base = (void __iomem *)plat->base;\n+\n \t/* Check magic value */\n \tmagic = readl(priv->base + VIRTIO_MMIO_MAGIC_VALUE);\n \tif (magic != ('v' | 'i' << 8 | 'r' << 16 | 't' << 24)) {\n@@ -405,11 +413,12 @@ static const struct udevice_id virtio_mmio_ids[] = {\n };\n \n U_BOOT_DRIVER(virtio_mmio) = {\n-\t.name\t= \"virtio-mmio\",\n-\t.id\t= UCLASS_VIRTIO,\n-\t.of_match = virtio_mmio_ids,\n-\t.ops\t= &virtio_mmio_ops,\n-\t.probe\t= virtio_mmio_probe,\n+\t.name = \"virtio-mmio\",\n+\t.id = UCLASS_VIRTIO,\n+\t.of_match = virtio_mmio_ids,\n+\t.ops = &virtio_mmio_ops,\n+\t.probe = virtio_mmio_probe,\n \t.of_to_plat = virtio_mmio_of_to_plat,\n-\t.priv_auto\t= sizeof(struct virtio_mmio_priv),\n+\t.priv_auto = sizeof(struct virtio_mmio_priv),\n+\t.plat_auto = sizeof(struct virtio_mmio_plat),\n };\ndiff --git a/include/virtio_mmio.h b/include/virtio_mmio.h\nnew file mode 100644\nindex 000000000000..8c072826db55\n--- /dev/null\n+++ b/include/virtio_mmio.h\n@@ -0,0 +1,12 @@\n+/* SPDX-License-Identifier: GPL-2.0+ */\n+\n+#ifndef __VIRTIO_MMIO_H__\n+#define __VIRTIO_MMIO_H__\n+\n+#include \n+\n+struct virtio_mmio_plat {\n+\tphys_addr_t base;\n+};\n+\n+#endif /* __VIRTIO_MMIO_H__ */\n","prefixes":["v3","3/5"]}