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fixup! overlays: mcp23017: allow specification of the i2c bus #5678

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merged 1 commit into from
Oct 24, 2023

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@pelwell pelwell commented Oct 24, 2023

The incorrect fragment order (*) caused broke the interrupt usage, and while it was being fixed the lack of a reference to the pinctrl declaration was noticed.

See: #5677

Signed-off-by: Phil Elwell [email protected]

(*) Ideally all fragments would appear in the file in the order in which they should be merged, but that is easy to forget and can be awkward, so the firmware merges all "intra" fragments (those that target other fragments in the overlay) before "inter" fragments (those that target the base DTB). However, intra fragments that target other intra fragments is a level of nesting too far for this logic to cope, so they must appear before the fragments they target.

The incorrect fragment order (*) caused broke the interrupt usage, and
while it was being fixed the lack of a reference to the pinctrl
declaration was noticed.

See: raspberrypi#5677

Signed-off-by: Phil Elwell <[email protected]>

(*) Ideally all fragments would appear in the file in the order in which
they should be merged, but that is easy to forget and can be awkward, so
the firmware merges all "intra" fragments (those that target other
fragments in the overlay) before "inter" fragments (those that target
the base DTB). However, intra fragments that target other intra
fragments is a level of nesting too far for this logic to cope, so they
must appear before the fragments they target.
@pelwell pelwell merged commit 3ed6d34 into raspberrypi:rpi-6.1.y Oct 24, 2023
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popcornmix added a commit to raspberrypi/firmware that referenced this pull request Oct 24, 2023
See: raspberrypi/linux#5669

kernel: drivers: media: imx477: Disable the scaler
See: raspberrypi/linux#5672

kernel: dt: Add drm_fbN_vc4 overrides for Pi0-4
See: raspberrypi/linux#5675

kernel: fixup! overlays: mcp23017: allow specification of the i2c bus
See: raspberrypi/linux#5678

kernel: dts: bcm2712: Add the krnbt parameter
popcornmix added a commit to raspberrypi/rpi-firmware that referenced this pull request Oct 24, 2023
See: raspberrypi/linux#5669

kernel: drivers: media: imx477: Disable the scaler
See: raspberrypi/linux#5672

kernel: dt: Add drm_fbN_vc4 overrides for Pi0-4
See: raspberrypi/linux#5675

kernel: fixup! overlays: mcp23017: allow specification of the i2c bus
See: raspberrypi/linux#5678

kernel: dts: bcm2712: Add the krnbt parameter
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