Commit 7bbc5ff7 authored by Stefan Wahren's avatar Stefan Wahren Committed by Stefano Babic
Browse files

mxs: Do not disable bo detection when DC-DC is already enabled



In case the DC-DC is already enabled mxs_enable_4p2_dcdc_input() returns
without reenabling brown out detection. So fix this issue by
moving the return before brown out deactivation.
Signed-off-by: default avatarStefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: default avatarMarek Vasut <marex@denx.de>
parent 68006aeb
......@@ -332,6 +332,11 @@ static void mxs_enable_4p2_dcdc_input(int xfer)
debug("SPL: %s 4P2 DC-DC Input\n", xfer ? "Enabling" : "Disabling");
if (xfer && (readl(&power_regs->hw_power_5vctrl) &
POWER_5VCTRL_ENABLE_DCDC)) {
return;
}
prev_5v_brnout = readl(&power_regs->hw_power_5vctrl) &
POWER_5VCTRL_PWDN_5VBRNOUT;
prev_5v_droop = readl(&power_regs->hw_power_ctrl) &
......@@ -343,11 +348,6 @@ static void mxs_enable_4p2_dcdc_input(int xfer)
clrbits_le32(&power_regs->hw_power_ctrl, POWER_CTRL_ENIRQ_VDD5V_DROOP);
if (xfer && (readl(&power_regs->hw_power_5vctrl) &
POWER_5VCTRL_ENABLE_DCDC)) {
return;
}
/*
* Recording orignal values that will be modified temporarlily
* to handle a chip bug. See chip errata for CQ ENGR00115837
......
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