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Tom Rini authored
Toolchains which do not directly support using "isb" and "dsb" directly are no longer functionally supported in U-Boot. Furthermore, clang has for a long time warned about using the alternate form that we were. Update the code. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
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