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    Subject[PATCH 09/17] coresight: Convert driver messages to dev_dbg
    Date
    Convert component enable/disable messages from dev_info to dev_dbg.
    This is required to prevent LOCKDEP splats when operating in perf
    mode where we could be called with locks held to enable a coresight
    path. If someone wants to really see the messages, they can always
    enable it at runtime via dynamic_debug.

    Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
    Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
    ---
    drivers/hwtracing/coresight/coresight-dynamic-replicator.c | 4 ++--
    drivers/hwtracing/coresight/coresight-etb10.c | 6 +++---
    drivers/hwtracing/coresight/coresight-etm3x.c | 4 ++--
    drivers/hwtracing/coresight/coresight-etm4x.c | 4 ++--
    drivers/hwtracing/coresight/coresight-funnel.c | 4 ++--
    drivers/hwtracing/coresight/coresight-replicator.c | 4 ++--
    drivers/hwtracing/coresight/coresight-stm.c | 4 ++--
    drivers/hwtracing/coresight/coresight-tmc-etf.c | 8 ++++----
    drivers/hwtracing/coresight/coresight-tmc-etr.c | 4 ++--
    drivers/hwtracing/coresight/coresight-tmc.c | 4 ++--
    drivers/hwtracing/coresight/coresight-tpiu.c | 4 ++--
    11 files changed, 25 insertions(+), 25 deletions(-)

    diff --git a/drivers/hwtracing/coresight/coresight-dynamic-replicator.c b/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
    index accc2056f7c6..49efa9d90367 100644
    --- a/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
    +++ b/drivers/hwtracing/coresight/coresight-dynamic-replicator.c
    @@ -64,7 +64,7 @@ static int replicator_enable(struct coresight_device *csdev, int inport,

    CS_LOCK(drvdata->base);

    - dev_info(drvdata->dev, "REPLICATOR enabled\n");
    + dev_dbg(drvdata->dev, "REPLICATOR enabled\n");
    return 0;
    }

    @@ -83,7 +83,7 @@ static void replicator_disable(struct coresight_device *csdev, int inport,

    CS_LOCK(drvdata->base);

    - dev_info(drvdata->dev, "REPLICATOR disabled\n");
    + dev_dbg(drvdata->dev, "REPLICATOR disabled\n");
    }

    static const struct coresight_ops_link replicator_link_ops = {
    diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
    index d7164ab8e229..757f556975f7 100644
    --- a/drivers/hwtracing/coresight/coresight-etb10.c
    +++ b/drivers/hwtracing/coresight/coresight-etb10.c
    @@ -164,7 +164,7 @@ static int etb_enable(struct coresight_device *csdev, u32 mode)
    spin_unlock_irqrestore(&drvdata->spinlock, flags);

    out:
    - dev_info(drvdata->dev, "ETB enabled\n");
    + dev_dbg(drvdata->dev, "ETB enabled\n");
    return 0;
    }

    @@ -270,7 +270,7 @@ static void etb_disable(struct coresight_device *csdev)

    local_set(&drvdata->mode, CS_MODE_DISABLED);

    - dev_info(drvdata->dev, "ETB disabled\n");
    + dev_dbg(drvdata->dev, "ETB disabled\n");
    }

    static void *etb_alloc_buffer(struct coresight_device *csdev, int cpu,
    @@ -513,7 +513,7 @@ static void etb_dump(struct etb_drvdata *drvdata)
    }
    spin_unlock_irqrestore(&drvdata->spinlock, flags);

    - dev_info(drvdata->dev, "ETB dumped\n");
    + dev_dbg(drvdata->dev, "ETB dumped\n");
    }

    static int etb_open(struct inode *inode, struct file *file)
    diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c
    index e5b1ec57dbde..aa8a2b076ad4 100644
    --- a/drivers/hwtracing/coresight/coresight-etm3x.c
    +++ b/drivers/hwtracing/coresight/coresight-etm3x.c
    @@ -510,7 +510,7 @@ static int etm_enable_sysfs(struct coresight_device *csdev)
    drvdata->sticky_enable = true;
    spin_unlock(&drvdata->spinlock);

    - dev_info(drvdata->dev, "ETM tracing enabled\n");
    + dev_dbg(drvdata->dev, "ETM tracing enabled\n");
    return 0;

    err:
    @@ -613,7 +613,7 @@ static void etm_disable_sysfs(struct coresight_device *csdev)
    spin_unlock(&drvdata->spinlock);
    cpus_read_unlock();

    - dev_info(drvdata->dev, "ETM tracing disabled\n");
    + dev_dbg(drvdata->dev, "ETM tracing disabled\n");
    }

    static void etm_disable(struct coresight_device *csdev,
    diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
    index e84d80b008fc..c9c73c2f7fd8 100644
    --- a/drivers/hwtracing/coresight/coresight-etm4x.c
    +++ b/drivers/hwtracing/coresight/coresight-etm4x.c
    @@ -274,7 +274,7 @@ static int etm4_enable_sysfs(struct coresight_device *csdev)
    drvdata->sticky_enable = true;
    spin_unlock(&drvdata->spinlock);

    - dev_info(drvdata->dev, "ETM tracing enabled\n");
    + dev_dbg(drvdata->dev, "ETM tracing enabled\n");
    return 0;

    err:
    @@ -387,7 +387,7 @@ static void etm4_disable_sysfs(struct coresight_device *csdev)
    spin_unlock(&drvdata->spinlock);
    cpus_read_unlock();

    - dev_info(drvdata->dev, "ETM tracing disabled\n");
    + dev_dbg(drvdata->dev, "ETM tracing disabled\n");
    }

    static void etm4_disable(struct coresight_device *csdev,
    diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
    index 77642e0e955b..afdf4807c2dc 100644
    --- a/drivers/hwtracing/coresight/coresight-funnel.c
    +++ b/drivers/hwtracing/coresight/coresight-funnel.c
    @@ -72,7 +72,7 @@ static int funnel_enable(struct coresight_device *csdev, int inport,

    funnel_enable_hw(drvdata, inport);

    - dev_info(drvdata->dev, "FUNNEL inport %d enabled\n", inport);
    + dev_dbg(drvdata->dev, "FUNNEL inport %d enabled\n", inport);
    return 0;
    }

    @@ -96,7 +96,7 @@ static void funnel_disable(struct coresight_device *csdev, int inport,

    funnel_disable_hw(drvdata, inport);

    - dev_info(drvdata->dev, "FUNNEL inport %d disabled\n", inport);
    + dev_dbg(drvdata->dev, "FUNNEL inport %d disabled\n", inport);
    }

    static const struct coresight_ops_link funnel_link_ops = {
    diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
    index 3756e71cb8f5..4f7781203fd4 100644
    --- a/drivers/hwtracing/coresight/coresight-replicator.c
    +++ b/drivers/hwtracing/coresight/coresight-replicator.c
    @@ -42,7 +42,7 @@ static int replicator_enable(struct coresight_device *csdev, int inport,
    {
    struct replicator_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);

    - dev_info(drvdata->dev, "REPLICATOR enabled\n");
    + dev_dbg(drvdata->dev, "REPLICATOR enabled\n");
    return 0;
    }

    @@ -51,7 +51,7 @@ static void replicator_disable(struct coresight_device *csdev, int inport,
    {
    struct replicator_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);

    - dev_info(drvdata->dev, "REPLICATOR disabled\n");
    + dev_dbg(drvdata->dev, "REPLICATOR disabled\n");
    }

    static const struct coresight_ops_link replicator_link_ops = {
    diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
    index 92a780a6df1d..696455891ec4 100644
    --- a/drivers/hwtracing/coresight/coresight-stm.c
    +++ b/drivers/hwtracing/coresight/coresight-stm.c
    @@ -218,7 +218,7 @@ static int stm_enable(struct coresight_device *csdev,
    stm_enable_hw(drvdata);
    spin_unlock(&drvdata->spinlock);

    - dev_info(drvdata->dev, "STM tracing enabled\n");
    + dev_dbg(drvdata->dev, "STM tracing enabled\n");
    return 0;
    }

    @@ -281,7 +281,7 @@ static void stm_disable(struct coresight_device *csdev,
    pm_runtime_put(drvdata->dev);

    local_set(&drvdata->mode, CS_MODE_DISABLED);
    - dev_info(drvdata->dev, "STM tracing disabled\n");
    + dev_dbg(drvdata->dev, "STM tracing disabled\n");
    }
    }

    diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
    index d89bfb3042a2..aa4e8f03ef49 100644
    --- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
    +++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
    @@ -242,7 +242,7 @@ static int tmc_enable_etf_sink(struct coresight_device *csdev, u32 mode)
    if (ret)
    return ret;

    - dev_info(drvdata->dev, "TMC-ETB/ETF enabled\n");
    + dev_dbg(drvdata->dev, "TMC-ETB/ETF enabled\n");
    return 0;
    }

    @@ -265,7 +265,7 @@ static void tmc_disable_etf_sink(struct coresight_device *csdev)

    spin_unlock_irqrestore(&drvdata->spinlock, flags);

    - dev_info(drvdata->dev, "TMC-ETB/ETF disabled\n");
    + dev_dbg(drvdata->dev, "TMC-ETB/ETF disabled\n");
    }

    static int tmc_enable_etf_link(struct coresight_device *csdev,
    @@ -284,7 +284,7 @@ static int tmc_enable_etf_link(struct coresight_device *csdev,
    drvdata->mode = CS_MODE_SYSFS;
    spin_unlock_irqrestore(&drvdata->spinlock, flags);

    - dev_info(drvdata->dev, "TMC-ETF enabled\n");
    + dev_dbg(drvdata->dev, "TMC-ETF enabled\n");
    return 0;
    }

    @@ -304,7 +304,7 @@ static void tmc_disable_etf_link(struct coresight_device *csdev,
    drvdata->mode = CS_MODE_DISABLED;
    spin_unlock_irqrestore(&drvdata->spinlock, flags);

    - dev_info(drvdata->dev, "TMC-ETF disabled\n");
    + dev_dbg(drvdata->dev, "TMC-ETF disabled\n");
    }

    static void *tmc_alloc_etf_buffer(struct coresight_device *csdev, int cpu,
    diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
    index 9e41eeaa5284..f12b7c5f68b2 100644
    --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
    +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
    @@ -1142,7 +1142,7 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev)
    tmc_etr_free_sysfs_buf(free_buf);

    if (!ret)
    - dev_info(drvdata->dev, "TMC-ETR enabled\n");
    + dev_dbg(drvdata->dev, "TMC-ETR enabled\n");

    return ret;
    }
    @@ -1185,7 +1185,7 @@ static void tmc_disable_etr_sink(struct coresight_device *csdev)

    spin_unlock_irqrestore(&drvdata->spinlock, flags);

    - dev_info(drvdata->dev, "TMC-ETR disabled\n");
    + dev_dbg(drvdata->dev, "TMC-ETR disabled\n");
    }

    static const struct coresight_ops_sink tmc_etr_sink_ops = {
    diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
    index 2349b1805694..4939333cc6c7 100644
    --- a/drivers/hwtracing/coresight/coresight-tmc.c
    +++ b/drivers/hwtracing/coresight/coresight-tmc.c
    @@ -88,7 +88,7 @@ static int tmc_read_prepare(struct tmc_drvdata *drvdata)
    }

    if (!ret)
    - dev_info(drvdata->dev, "TMC read start\n");
    + dev_dbg(drvdata->dev, "TMC read start\n");

    return ret;
    }
    @@ -110,7 +110,7 @@ static int tmc_read_unprepare(struct tmc_drvdata *drvdata)
    }

    if (!ret)
    - dev_info(drvdata->dev, "TMC read end\n");
    + dev_dbg(drvdata->dev, "TMC read end\n");

    return ret;
    }
    diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
    index d7a3e453016d..7b105001dc32 100644
    --- a/drivers/hwtracing/coresight/coresight-tpiu.c
    +++ b/drivers/hwtracing/coresight/coresight-tpiu.c
    @@ -77,7 +77,7 @@ static int tpiu_enable(struct coresight_device *csdev, u32 mode)

    tpiu_enable_hw(drvdata);

    - dev_info(drvdata->dev, "TPIU enabled\n");
    + dev_dbg(drvdata->dev, "TPIU enabled\n");
    return 0;
    }

    @@ -99,7 +99,7 @@ static void tpiu_disable(struct coresight_device *csdev)

    tpiu_disable_hw(drvdata);

    - dev_info(drvdata->dev, "TPIU disabled\n");
    + dev_dbg(drvdata->dev, "TPIU disabled\n");
    }

    static const struct coresight_ops_sink tpiu_sink_ops = {
    --
    2.13.6
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      Last update: 2017-10-22 17:27    [W:7.448 / U:0.344 seconds]
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