A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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clk: smd: rpm: Add a qup active only vote for HOLI

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The pm8008 regulator is connected over I2C and the I2C device configures
its BW vote in runtime_resume and runtime_suspend. These callbacks are
triggered from the pm8008 driver's regmap calls. This means regulator
framework requests for pm8008 call into the ICC framework which in turn
calls into clock framework.
The qcom rpm smd clock providers calls into RPM message with the
the regulator framework, ICC framework and  clock framework locks held.

To prevent these deadlocks, enable the I2C qup clocks required for pm8008
by default during probe and stop requesting for clock enable/rate from the
framework.

Change-Id: Ifd486bec85a46139ccb15f4b5dbd2d43c33f3fda
Signed-off-by: Taniya Das <tdas@codeaurora.org>
This commit is contained in:
Taniya Das 2021-08-20 17:37:25 +05:30 • committed by Gerrit - the friendly Code Review server
commit 6d39fb3bdc
1 changed files with 4 additions and 0 deletions
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4
drivers/clk/qcom/clk-smd-rpm.c
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@ -1134,6 +1134,10 @@ static int rpm_smd_clk_probe(struct platform_device *pdev)
/* Hold an active set vote for the snoc_keepalive_a_clk */
clk_prepare_enable(holi_snoc_a_clk.hw.clk);
clk_set_rate(holi_snoc_a_clk.hw.clk, 19200000);
/* Hold an active set vote for qup clock */
clk_prepare_enable(holi_qup_a_clk.hw.clk);
clk_set_rate(holi_qup_a_clk.hw.clk, 19200000);
}
if (is_sdxnightjar) {