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(parent: 494c11e) | patch
mmc: sdhci-sprd: Enable PHY DLL to make clock stable
authorBaolin Wang <baolin.wang@linaro.org>
Tue, 4 Jun 2019 08:14:26 +0000 (16:14 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 10 Jun 2019 15:11:09 +0000 (17:11 +0200)
commit87a395c27bfab5048413ea18287f0f9453e3e31a
treebc719f3fb1b8df30625fb56bde0374da07665d3atree | snapshot
parent494c11e1a5366d3f5adb2cb2b677b5b0bcf08e3bcommit | diff
mmc: sdhci-sprd: Enable PHY DLL to make clock stable

For the Spreadtrum SD host controller, when we changed the clock to be
more than 52M, we should enable the PHY DLL which is used to track the
clock frequency to make the clock work more stable. Otherwise deviation
may occur of the higher clock.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-sprd.c diff | blob | history
Domain: System / Kernel;