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mmc_return_hold() / mmc_retune_release() are used around a group of commands to prevent re-tuning between the commands. Re-tuning can still happen before the first command. In some cases, re-tuning must be prevented entirely. Add mmc_retune_hold_now() for that purpose. It is added in preparation for CQE support where it will be used by CQE recovery. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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