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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-08-04 12:44:53 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-08-04 12:44:53 +0200 |
commit | 9ac1fb156a40b88fddb2e2b8c36e127b0d01fb8e (patch) | |
tree | bfef415d401765990b7021e9fc45ba1a629453aa /drivers/opp | |
parent | 4daca379c703ff55edc065e8e5173dcfeecf0148 (diff) | |
parent | f259eab3ea0e7ed73db91f6358274dd3a9a27d79 (diff) | |
download | linux-9ac1fb156a40b88fddb2e2b8c36e127b0d01fb8e.tar.gz linux-9ac1fb156a40b88fddb2e2b8c36e127b0d01fb8e.tar.bz2 linux-9ac1fb156a40b88fddb2e2b8c36e127b0d01fb8e.zip |
Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq driver changes for v5.9-rc1 from Viresh Kumar:
"Here are the details:
- Adaptive voltage scaling (AVS) support and minor cleanups for
brcmstb driver (Florian Fainelli and Markus Mayer).
- A new tegra driver and cleanup for the existing one (Sumit Gupta and
Jon Hunter).
- Bandwidth level support for Qcom driver along with OPP changes (Sibi
Sankar).
- Cleanups to sti, cpufreq-dt, ap806, CPPC drivers (Viresh Kumar, Lee
Jones, Ivan Kokshaysky, Sven Auhagen, and Xin Hao).
- Make schedutil default governor for ARM (Valentin Schneider).
- Fix dependency issues for imx (Walter Lozano).
- Cleanup around cached_resolved_idx in cpufreq core (Viresh Kumar)."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: make schedutil the default for arm and arm64
cpufreq: cached_resolved_idx can not be negative
cpufreq: Add Tegra194 cpufreq driver
dt-bindings: arm: Add NVIDIA Tegra194 CPU Complex binding
cpufreq: imx: Select NVMEM_IMX_OCOTP
cpufreq: sti-cpufreq: Fix some formatting and misspelling issues
cpufreq: tegra186: Simplify probe return path
cpufreq: CPPC: Reuse caps variable in few routines
cpufreq: ap806: fix cpufreq driver needs ap cpu clk
cpufreq: cppc: Reorder code and remove apply_hisi_workaround variable
cpufreq: dt: fix oops on armada37xx
cpufreq: brcmstb-avs-cpufreq: send S2_ENTER / S2_EXIT commands to AVS
cpufreq: brcmstb-avs-cpufreq: Support polling AVS firmware
cpufreq: brcmstb-avs-cpufreq: more flexible interface for __issue_avs_command()
cpufreq: qcom: Disable fast switch when scaling DDR/L3
cpufreq: qcom: Update the bandwidth levels on frequency change
OPP: Add and export helper to set bandwidth
cpufreq: blacklist SC7180 in cpufreq-dt-platdev
cpufreq: blacklist SDM845 in cpufreq-dt-platdev
Diffstat (limited to 'drivers/opp')
-rw-r--r-- | drivers/opp/core.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 0c8c74a3c868..9d7fb45b1786 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -832,6 +832,37 @@ static int _set_required_opps(struct device *dev, } /** + * dev_pm_opp_set_bw() - sets bandwidth levels corresponding to an opp + * @dev: device for which we do this operation + * @opp: opp based on which the bandwidth levels are to be configured + * + * This configures the bandwidth to the levels specified by the OPP. However + * if the OPP specified is NULL the bandwidth levels are cleared out. + * + * Return: 0 on success or a negative error value. + */ +int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp) +{ + struct opp_table *opp_table; + int ret; + + opp_table = _find_opp_table(dev); + if (IS_ERR(opp_table)) { + dev_err(dev, "%s: device opp table doesn't exist\n", __func__); + return PTR_ERR(opp_table); + } + + if (opp) + ret = _set_opp_bw(opp_table, opp, dev, false); + else + ret = _set_opp_bw(opp_table, NULL, dev, true); + + dev_pm_opp_put_opp_table(opp_table); + return ret; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_set_bw); + +/** * dev_pm_opp_set_rate() - Configure new OPP based on frequency * @dev: device for which we do this operation * @target_freq: frequency to achieve |