49a1a99c53
When the CPU is in ARM power off state the ARM architected timers are stopped. The flag is already present in the higher power WAIT mode. This allows to use the ARM generic timer on i.MX 6UL/6ULL SoC. Without the flag the kernel freezes when the timer enters the first time ARM power off mode. Note: The default timer on i.MX6SX is the i.MX GPT timer which is not disabled during CPU idle. However, the timer is not affected by the CPUIDLE_FLAG_TIMER_STOP flag. The flag only affects CPU local timers. Cc: Anson Huang <anson.huang@nxp.com> Signed-off-by: Stefan Agner <stefan@agner.ch> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.