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authorPhilipp Zabel <p.zabel@pengutronix.de>2014-01-29 17:10:04 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-20 11:10:11 -0800
commit89a8263a0d6cfa36d5415ea48d76fde4231f4386 (patch)
treeb97be50cfc4fd9a4581fb3302ddcb4c2817e83da /fs/stat.c
parentb8bb5472da4bf66da971acb7a923f8a7e58420a7 (diff)
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ARM: imx6: Initialize low-power mode early again
commit e7c57ecd6019cc6392223605aed18cce257c3eff upstream. Since commit 9e8147bb5ec5d1dda2141da70f96b98985a306cb "ARM: imx6q: move low-power code out of clock driver" the kernel fails to boot on i.MX6Q/D if preemption is enabled (CONFIG_PREEMPT=y). The kernel just hangs before the console comes up. The above commit moved the initalization of the low-power mode setting (enabling clocked WAIT states), which was introduced in commit 83ae20981ae924c37d02a42c829155fc3851260c "ARM: imx: correct low-power mode setting", from imx6q_clks_init to imx6q_pm_init. Now it is called much later, after all cores are enabled. This patch moves the low-power mode initialization back to imx6q_clks_init again (and to imx6sl_clks_init). Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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