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1199a91095
Refreshed patches. The following patches were upstreamed and have been deleted: * target/linux/lantiq/patches-4.14/0025-MIPS-lantiq-gphy-Remove-reboot-remove-reset-asserts.patch * target/linux/generic/pending-4.14/101-clocksource-mips-gic-timer-fix-clocksource-counter-w.patch * target/linux/generic/pending-4.14/103-MIPS-c-r4k-fix-data-corruption-related-to-cache-coherence.patch * target/linux/generic/pending-4.14/181-net-usb-add-lte-modem-wistron-neweb-d18q1.patch Compile-tested: ramips/mt7621, x86/64 Run-tested: ramips/mt7621 Signed-off-by: Stijn Segers <foss@volatilesystems.org>
67 lines
2.2 KiB
Diff
67 lines
2.2 KiB
Diff
From patchwork Fri Dec 8 09:42:30 2017
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [v4,12/12] cpufreq: dt: Reintroduce independent_clocks platform data
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From: Sricharan R <sricharan@codeaurora.org>
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X-Patchwork-Id: 10102073
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Message-Id: <1512726150-7204-13-git-send-email-sricharan@codeaurora.org>
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To: mturquette@baylibre.com, sboyd@codeaurora.org,
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devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
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linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
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viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org
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Cc: sricharan@codeaurora.org
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Date: Fri, 8 Dec 2017 15:12:30 +0530
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The Platform data was removed earlier by,
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'commit eb96924acddc ("cpufreq: dt: Kill platform-data")'
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since there were no users at that time.
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Now this is required when the each of the cpu clocks
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can be scaled independently, which is the case
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for krait cores. So reintroduce it.
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Signed-off-by: Sricharan R <sricharan@codeaurora.org>
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---
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drivers/cpufreq/cpufreq-dt.c | 7 ++++++-
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drivers/cpufreq/cpufreq-dt.h | 6 ++++++
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2 files changed, 12 insertions(+), 1 deletion(-)
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--- a/drivers/cpufreq/cpufreq-dt.c
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+++ b/drivers/cpufreq/cpufreq-dt.c
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@@ -220,7 +220,10 @@ static int cpufreq_init(struct cpufreq_p
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}
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if (fallback) {
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- cpumask_setall(policy->cpus);
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+ struct cpufreq_dt_platform_data *pd = cpufreq_get_driver_data();
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+
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+ if (!pd || !pd->independent_clocks)
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+ cpumask_setall(policy->cpus);
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/*
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* OPP tables are initialized only for policy->cpu, do it for
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@@ -372,6 +375,8 @@ static int dt_cpufreq_probe(struct platf
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if (data && data->have_governor_per_policy)
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dt_cpufreq_driver.flags |= CPUFREQ_HAVE_GOVERNOR_PER_POLICY;
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+ dt_cpufreq_driver.driver_data = data;
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+
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ret = cpufreq_register_driver(&dt_cpufreq_driver);
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if (ret)
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dev_err(&pdev->dev, "failed register driver: %d\n", ret);
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--- a/drivers/cpufreq/cpufreq-dt.h
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+++ b/drivers/cpufreq/cpufreq-dt.h
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@@ -13,6 +13,12 @@
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#include <linux/types.h>
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struct cpufreq_dt_platform_data {
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+ /*
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+ * True when each CPU has its own clock to control its
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+ * frequency, false when all CPUs are controlled by a single
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+ * clock.
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+ */
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+ bool independent_clocks;
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bool have_governor_per_policy;
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};
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