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SubjectRe: [PATCH V3 5/5] virtio: Bind virtio device to device-tree node
On Mon, Jul 26, 2021 at 10:21:45AM +0530, Viresh Kumar wrote:
> Bind the virtio devices with their of_node. This will help users of the
> virtio devices to mention their dependencies on the device in the DT
> itself. Like GPIO pin users can use the phandle of the device node, or
> the node may contain more subnodes to add i2c or spi eeproms and other
> users.
> Reviewed-by: Arnd Bergmann <>
> Signed-off-by: Viresh Kumar <>

This patch causes a boot failure on sparc64: The virtio device no longer
instantiates. Reverting this patch fixes the problem. Bisect log attached.


# bad: [6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f] Linux 5.15-rc1
# good: [926de8c4326c14fcf35f1de142019043597a4fac] Merge tag 'acpi-5.15-rc1-3' of git://
git bisect start 'HEAD' '926de8c4326c'
# good: [8177a5c96229ff24da1e362789e359b68b4f34f5] Merge tag 'libata-5.15-2021-09-11' of git://
git bisect good 8177a5c96229ff24da1e362789e359b68b4f34f5
# bad: [78e709522d2c012cb0daad2e668506637bffb7c2] Merge tag 'for_linus' of git://
git bisect bad 78e709522d2c012cb0daad2e668506637bffb7c2
# bad: [7bc7f61897b66bef78bb5952e3d1e9f3aaf9ccca] Documentation: Add documentation for VDUSE
git bisect bad 7bc7f61897b66bef78bb5952e3d1e9f3aaf9ccca
# bad: [41116599a0731f4cd451e9d191d879ab45e31945] virtio/vsock: add 'VIRTIO_VSOCK_SEQ_EOR' bit.
git bisect bad 41116599a0731f4cd451e9d191d879ab45e31945
# good: [5262912ef3cfc5e518892c3d67fb36412cb813e2] vdpa/mlx5: Add support for control VQ and MAC setting
git bisect good 5262912ef3cfc5e518892c3d67fb36412cb813e2
# good: [7f815fce08d563006e43d1b7d2f9a0a4f3b832f3] dt-bindings: i2c: Add bindings for i2c-virtio
git bisect good 7f815fce08d563006e43d1b7d2f9a0a4f3b832f3
# good: [d5a8680dfab0547a4ecd708b1fe9de48598a6757] uapi: virtio_ids: Sync ids with specification
git bisect good d5a8680dfab0547a4ecd708b1fe9de48598a6757
# bad: [9af8f1061646e8e22b66413bedf7b3e2ab3d69e5] virtio/vsock: rename 'EOR' to 'EOM' bit.
git bisect bad 9af8f1061646e8e22b66413bedf7b3e2ab3d69e5
# bad: [694a1116b405d887c893525a6766b390989c8606] virtio: Bind virtio device to device-tree node
git bisect bad 694a1116b405d887c893525a6766b390989c8606
# first bad commit: [694a1116b405d887c893525a6766b390989c8606] virtio: Bind virtio device to device-tree node

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