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authorJonathan Austin <Jonathan.Austin@arm.com>2012-09-21 18:51:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-09-26 22:57:52 +0100
commit56942fec06efa0e17df0f4c3b438332c923b9014 (patch)
tree89b604c987b7f6a0eaaa16af7a9d8f45711349a7 /arch/arm/lib/ashldi3.S
parenta1b2dde70419ae947fd7c9c8fcad7da005dc600e (diff)
downloadlinux-linaro-stable-56942fec06efa0e17df0f4c3b438332c923b9014.tar.gz
ARM: 7538/1: delay: add registration mechanism for delay timer sources
The current timer-based delay loop relies on the architected timer to initiate the switch away from the polling-based implementation. This is unfortunate for platforms without the architected timers but with a suitable delay source (that is, constant frequency, always powered-up and ticking as long as the CPUs are online). This patch introduces a registration mechanism for the delay timer (which provides an unconditional read_current_timer implementation) and updates the architected timer code to use the new interface. Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Jonathan Austin <jonathan.austin@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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