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dm: doc: Fix serial howto u-boot,dm-pre-reloc typo

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In a couple of places the document says u-boot,pre-reloc but all
examples show u-boot,dm-pre-reloc, use the latter consistently.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Michal Suchanek 2022-09-25 15:28:47 +02:00 committed by Simon Glass
parent fb63362c63
commit f7d367c2e6
1 changed files with 2 additions and 2 deletions
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4
doc/develop/driver-model/serial-howto.rst
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@ -62,7 +62,7 @@ what you need. U-Boot automatically includes these files: see :ref:`dttweaks`.
Here are some things you might need to consider:
1. The serial driver itself needs to be present before relocation, so that the
U-Boot banner appears. Make sure it has a u-boot,pre-reloc tag in the device
U-Boot banner appears. Make sure it has a u-boot,dm-pre-reloc tag in the device
tree, so that the serial driver is bound when U-Boot starts.
For example, on iMX8::
@ -79,7 +79,7 @@ Here are some things you might need to consider:
};
2. If your serial port requires a particular pinmux configuration, you may need
a pinctrl driver. This needs to have a u-boot,pre-reloc tag also. Take care
a pinctrl driver. This needs to have a u-boot,dm-pre-reloc tag also. Take care
that any subnodes have the same tag, if they are needed to make the correct
pinctrl available.