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The new OMAP4 IPs introduced a new idle mode named smart-idle with wakeup. This new idlemode replaces the enawakeup for the new IPs but seems to coexist as well for some legacy IPs (UART, GPIO, MCSPI...) Add the new SIDLE_SMART_WKUP flag to mark the IPs that support this capability. The omap_hwmod_44xx_data.c will have to be updated to add this new flag. Enable this new mode when applicable in _enable_wakeup, _enable_sysc and _idle_sysc. Signed-off-by: Benoit Cousson <b-cousson@ti.com> Tested-by: Sebastien Guiriec <s-guiriec@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: Rajendra Nayak <rnayak@ti.com>