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The Tegra30+ SDMMC module has memcomp pads that are used to automatically find and set the correct drive strength settings to the sdmmc pads. The calibration needs to be manually kicked off when the card signal voltage is changed, after the card clock is supplied again. Signed-off-by: Lucas Stach <dev@lynxeye.de> Acked-by: Adrian Hunter <adrian.hunter@intel.com> [Ulf: Rebased to fix a trivial compile error] Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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