evie/android_kernel_oneplus_msm8998
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clk: qcom: Use the saved current frequency for enable_safe_config

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A clk_get_rate in the clk_enable path would result in a BUG from sleeping
context, as clk_get_rate would hold a mutex when we have already acquired a
spinlock in the clk_enable.

Change-Id: I7b32292710bbea3565cdc51c79916fddc60f8bba
Signed-off-by: Taniya Das <tdas@codeaurora.org>
This commit is contained in:
Taniya Das 2017-03-01 23:28:24 +05:30
parent eee829e625
commit 9e172a39e1
1 changed files with 4 additions and 1 deletions
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5
drivers/clk/qcom/clk-rcg2.c
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@ -513,7 +513,7 @@ static int clk_rcg2_enable(struct clk_hw *hw)
* is always on while APPS is online. Therefore, the RCG can safely be * is always on while APPS is online. Therefore, the RCG can safely be
* switched. * switched.
*/ */
rate = clk_get_rate(hw->clk); rate = rcg->current_freq;
f = qcom_find_freq(rcg->freq_tbl, rate); f = qcom_find_freq(rcg->freq_tbl, rate);
if (!f) if (!f)
return -EINVAL; return -EINVAL;
@ -627,6 +627,9 @@ static int __clk_rcg2_set_rate(struct clk_hw *hw, unsigned long rate)
rcg->new_index, false); rcg->new_index, false);
} }
/* Update current frequency with the frequency requested. */
rcg->current_freq = rate;
return ret; return ret;
} }