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Currently the code to probe MMIO architected timers mixes DT parsing with actual poking of hardware. This makes the code harder than necessary to understand, and makes it difficult to add support for probing via ACPI. This patch splits the DT parsing from HW probing. The DT parsing now lives in arch_timer_mem_of_init(), which fills in an arch_timer_mem structure that it hands to probing functions that can be reused for ACPI support. Since the rate detection logic will be slight different when using ACPI, the probing is performed as a number of steps. This results in more code for the moment, and some arguably redundant work, but simplifies matters considerably when ACPI support is added. Signed-off-by: Fu Wei <fu.wei@linaro.org> [Mark: refactor the probing split] Signed-off-by: Mark Rutland <mark.rutland@arm.com> |
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| firmware | ||
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| ipc | ||
| kernel | ||
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| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| Kbuild | ||
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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.