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Running suspend/resume without no_console_suspend setting on kernel cmdline will likely makes system hang. It causesd by the sync issue between imx_cpu_die() and imx_cpu_kill() call. Fix the issue by synchronizing the calls using cpu jumping argument register which is free to use in kernel. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJRU60+AAoJEFBXWFqHsHzOTzAIAL0t34b0Pd1FRuybb8q1uwGJ Xe7gr/knRLszQ6FemX4F2qqU3Xdx2OLjET6iZT1j1pcO2WOUB93C0Pa6hwZ7u8ex 4EMgBiwaEqnr8ICkPMEQIrJ/ja8VIazYwgFDk3MDV4djIDPEdl6CZz9BOWXSce8M f9o8YhmVvV5TINz9TxOKNA19qxjxqR8K/WT3DsiTxmo7660rtMO4VNhPFhRLMRlm 8qd0SSZ9XYNa05aJdXa+YayCpm6SGdcSj6fWrpDmQ4926D9dhvX/TEDNqmibfUyw 7YAyk2p1U8W5+20nUrYDjZnfBzLgaTFg60Y60DrYbcOPk7ZlqRgGk0SyIjGwyjw= =V81t -----END PGP SIGNATURE----- Merge tag 'imx-fixes-3.9-4' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes From Shawn Guo <shawn.guo@linaro.org>: The imx fixes for 3.9, take 4: Running suspend/resume without no_console_suspend setting on kernel cmdline will likely makes system hang. It causesd by the sync issue between imx_cpu_die() and imx_cpu_kill() call. Fix the issue by synchronizing the calls using cpu jumping argument register which is free to use in kernel. * tag 'imx-fixes-3.9-4' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill ARM: imx: add dependency check for DEBUG_IMX_UART_PORT Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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