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authorJanusz Krzysztofik <jkrzyszt@tis.icnet.pl>2011-12-04 19:07:47 +0400
committerTony Lindgren <tony@atomide.com>2011-12-09 06:02:28 +0400
commitc116abc43df9ce3ebe5fbf2fbd6ae2edd6a9bd87 (patch)
tree192d5179faf468851e1782273a788d275e0c8213 /lib/prio_tree.c
parentf9e5908fa04e15a681dc4695b53c2c0c1d9b9a03 (diff)
downloadlinux-c116abc43df9ce3ebe5fbf2fbd6ae2edd6a9bd87.tar.xz
ARM: OMAP1: Always reprogram dpll1 rate at boot
DPLL1 reprogramming to a different rate is actually blocked inside omap1_select_table_rate(). However, it is already forced at boot, for boards which boot at unusable clock rates, and this seems to work correctly. OTOH, we now have a fine, run time performed clock selection algorithm implemented, which prevents less powerfull SoCs from being overclocked unintentionally. Allow reprogramming of dpll1 by default, and use it for switching to the higest supported clock rate with all boards, including those already booting at a usable rate of 60 MHz or above. Created against linux-omap/master tip as of Thu Dec 1, commit f83c2a8cbb59981722d1ab610c79adfd034a2667. Requires the just submitted patch "ARM: OMAP1: Move dpll1 rates selection from config to runtime" to prevent from unintentional overclocking. Tested on Amstrad Delta. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
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