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All the ARM boards i know share our same kernel issues. The problem is that DT is basically a configuration, which is accessed by drivers. If a driver do not re
by fmntf 9y ago
All the ARM boards i know share our same kernel issues. The problem is that DT is basically a configuration, which is accessed by drivers. If a driver do not read it, you must edit the driver. For instance a 2 lines patch [1] is about the fec (ethernet) driver. DT can specify a sleep time before the PHY reset GPIO is toggled. However we need to sleep also after the toggle, hence the patch.
[1] https://github.com/UDOOboard/linux_kernel/commit/b2fc4a3cba41c7f7af86b99476055c2b46e86605 https://github.com/UDOOboard/linux_kernel/commit/b2fc4a3cba4...