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Some kirkwood variants (for instance present in the prestera SoCs) do not have all the peripherals whose nodes are declared in kirkwood.dtsi. These missing peripherals are SATA, SDIO, and RTC. As discussed in [1], to avoid that these missing peripherals get initialized which could result in system hangs when accessing undocumented/not present HW registers, their corresponding OF nodes should not get declared at all for some kirkwood variants. The corresponding OF nodes of these peripherals thus are moved from kirkwood.dtsi to the kirkwood-628x.dtsi files so that they still are initialized for these variants where they are present. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2013-May/167154.html Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net> |
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