96250eab90
Avoid propagating the clock change when the clock does not change. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200806123858.30058-4-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>