It's found that the final phase set by driver doesn't match that of the output from clk_summary: dwmmc_rockchip fe310000.dwmmc: Successfully tuned phase to 346 mmc0: new ultra high speed SDR104 SDIO card at address 0001 cat /sys/kernel/debug/clk/clk_summary | grep sdio_sample sdio_sample 0 1 0 50000000 0 0 It seems the cached core->phase isn't updated after the clk was registered. So fix this issue by updating the core->phase if setting phase successfully. Fixes: 9e4d04adeb1a ("clk: add clk_core_set_phase_nolock function") Cc: Stable <stable@vger.kernel.org> Cc: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Reviewed-by: Jerome Brunet <jbrunet@baylibre.com> Tested-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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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.
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