diff options
| author | Georgi Djakov <georgi.djakov@linaro.org> | 2020-05-12 14:53:24 +0200 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2020-05-29 06:45:12 +0200 |
| commit | 8b17f17a097bdbc9546f5fdde3098b5f21cbfbff (patch) | |
| tree | ef7be6935c978f6decab3b8cae5e72566862a5e9 /drivers | |
| parent | opp: Update the bandwidth on OPP frequency changes (diff) | |
| download | linux-8b17f17a097bdbc9546f5fdde3098b5f21cbfbff.tar.xz linux-8b17f17a097bdbc9546f5fdde3098b5f21cbfbff.zip | |
cpufreq: dt: Add support for interconnect bandwidth scaling
In addition to clocks and regulators, some devices can scale the bandwidth
of their on-chip interconnect - for example between CPU and DDR memory. Add
support for that, so that platforms which support it can make use of it.
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
[ Viresh: Reused dev_pm_opp_of_find_icc_paths(). Also drop the depends
on from Kconfig. ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
fixup! cpufreq: dt: Add support for interconnect bandwidth scaling
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/cpufreq-dt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 26fe8dfb9ce6..79742bbd221f 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -121,6 +121,10 @@ static int resources_available(void) clk_put(cpu_clk); + ret = dev_pm_opp_of_find_icc_paths(cpu_dev, NULL); + if (ret) + return ret; + name = find_supply_name(cpu_dev); /* Platform doesn't require regulator */ if (!name) |