Paul Walmsley f0611a5c22 OMAP3: PRM/CM: separate CM context save/restore; remove PRM context save/restore ... The OMAP3 PRM module is in the WKUP powerdomain, which is always powered when the chip is powered, so it shouldn't be necessary to save and restore those PRM registers. Remove the PRM register save/restore code, which should save several microseconds during off-mode entry/exit, since PRM register accesses are relatively slow. While doing so, move the CM register save/restore code into CM-specific code. The CM module has been distinct from the PRM module since 2430. This patch includes some minor changes to pm34xx.c. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: Rajendra Nayak <rnayak@ti.com> Cc: Tero Kristo <tero.kristo@nokia.com> Cc: Kalle Jokiniemi <kalle.jokiniemi@digia.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Rajendra Nayak <rnayak@ti.com>		2010-12-21 20:56:50 -07:00
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plat	OMAP3: PRM/CM: separate CM context save/restore; remove PRM context save/restore	2010-12-21 20:56:50 -07:00