mirrors/u-boot
0
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2024-11-25 05:04:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

dm: doc: Add a note about of-platdata and header files

Browse Source 
We don't want to include dt-structs.h in header files, so add a note about
that.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-12-06 21:42:43 -07:00 committed by Bin Meng
parent 75214b051b
commit c59f2ac175
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
doc/driver-model/of-plat.rst
View File

@ -279,6 +279,12 @@ For example:
};
Note that struct mmc_platdata is defined in the C file, not in a header. This
is to avoid needing to include dt-structs.h in a header file. The idea is to
keep the use of each of-platdata struct to the smallest possible code area.
There is just one driver C file for each struct, that can convert from the
of-platdata struct to the standard one used by the driver.
In the case where SPL_OF_PLATDATA is enabled, platdata_auto_alloc_size is
still used to allocate space for the platform data. This is different from
the normal behaviour and is triggered by the use of of-platdata (strictly