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[ rockchip-dev ] Add simpler reboot code

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As seen here: https://patchwork.kernel.org/patch/10817217/

for testing in Dev.  @paolosabatino please check TV box.
This commit is contained in:
Thomas McKahan 2019-02-17 23:27:51 -05:00
parent 70f931c4b3
commit 2c8ee5a69d
1 changed files with 19 additions and 0 deletions
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19
patch/kernel/rockchip-dev/general-fix-reboot-from-kwiboo.patch Normal file
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@ -0,0 +1,19 @@
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5bd58b95d..48ebe081f 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1684,6 +1684,14 @@ void mmc_power_off(struct mmc_host *host)
if (host->ios.power_mode == MMC_POWER_OFF)
return;
+ mmc_set_initial_signal_voltage(host);
+
+ /*
+ * This delay should be sufficient to allow the power supply
+ * to reach the minimum voltage.
+ */
+ mmc_delay(host->ios.power_delay_ms);
+
mmc_pwrseq_power_off(host);
host->ios.clock = 0;