93dd2f7211
- Rebased the patches for 4.14 - Dropped spi-qup and 0027, 0028, 0029 clk patches since it's already included in upstream. Tested on IPQ AP148 Board: 1) NOR boot and NAND boot 2) Tested USB and PCIe interfaces 3) WDOG test 4) cpu frequency scaling 5) ethernet, 2G and 5G WiFi 6) ubi sysupgrade Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
From d06ca5e7a3cf726f5be5ffd96e93ccd798b8c09a Mon Sep 17 00:00:00 2001
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From: Georgi Djakov <georgi.djakov@linaro.org>
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Date: Thu, 12 May 2016 14:41:33 +0300
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Subject: [PATCH 51/69] PM / OPP: Add a helper to get an opp regulator for
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device
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Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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---
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drivers/base/power/opp/core.c | 21 +++++++++++++++++++++
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include/linux/pm_opp.h | 1 +
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2 files changed, 22 insertions(+)
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--- a/drivers/base/power/opp/core.c
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+++ b/drivers/base/power/opp/core.c
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@@ -126,6 +126,27 @@ unsigned long dev_pm_opp_get_freq(struct
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}
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EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq);
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+struct regulator *dev_pm_opp_get_regulator(struct device *dev)
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+{
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+ struct opp_table *opp_table;
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+ struct regulator *reg;
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+
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+ rcu_read_lock();
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+
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+ opp_table = _find_opp_table(dev);
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+ if (IS_ERR(opp_table)) {
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+ rcu_read_unlock();
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+ return ERR_CAST(opp_table);
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+ }
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+
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+ reg = opp_table->regulators[0];
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+
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+ rcu_read_unlock();
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+
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+ return reg;
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+}
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+EXPORT_SYMBOL_GPL(dev_pm_opp_get_regulator);
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+
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/**
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* dev_pm_opp_is_turbo() - Returns if opp is turbo OPP or not
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* @opp: opp for which turbo mode is being verified
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--- a/include/linux/pm_opp.h
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+++ b/include/linux/pm_opp.h
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@@ -85,6 +85,7 @@ enum dev_pm_opp_event {
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unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
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unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
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+struct regulator *dev_pm_opp_get_regulator(struct device *dev);
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bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
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