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| author | James Clark <james.clark@arm.com> | 2024-01-29 15:40:42 +0000 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-02-12 10:21:38 +0000 |
| commit | c95c2733e5feb1f6848923f166849b2d1c7bf682 (patch) | |
| tree | b6776719379e9cec14f2e904f00f31051cb136b6 /drivers/hwtracing/coresight/coresight-stm.c | |
| parent | d724f65218b994da234081df5dfe417c23802a65 (diff) | |
| download | linux-c95c2733e5feb1f6848923f166849b2d1c7bf682.tar.gz linux-c95c2733e5feb1f6848923f166849b2d1c7bf682.tar.bz2 linux-c95c2733e5feb1f6848923f166849b2d1c7bf682.zip | |
coresight: Add a helper for getting csdev->mode
Now that mode is in struct coresight_device accesses can be wrapped.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-12-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-stm.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-stm.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c index ff578762f6bf..1d02d42bea83 100644 --- a/drivers/hwtracing/coresight/coresight-stm.c +++ b/drivers/hwtracing/coresight/coresight-stm.c @@ -262,7 +262,7 @@ static void stm_disable(struct coresight_device *csdev, * change its status. As such we can read the status here without * fearing it will change under us. */ - if (local_read(&csdev->mode) == CS_MODE_SYSFS) { + if (coresight_get_mode(csdev) == CS_MODE_SYSFS) { spin_lock(&drvdata->spinlock); stm_disable_hw(drvdata); spin_unlock(&drvdata->spinlock); @@ -369,7 +369,7 @@ static long stm_generic_set_options(struct stm_data *stm_data, { struct stm_drvdata *drvdata = container_of(stm_data, struct stm_drvdata, stm); - if (!(drvdata && local_read(&drvdata->csdev->mode))) + if (!(drvdata && coresight_get_mode(drvdata->csdev))) return -EINVAL; if (channel >= drvdata->numsp) @@ -404,7 +404,7 @@ static ssize_t notrace stm_generic_packet(struct stm_data *stm_data, struct stm_drvdata, stm); unsigned int stm_flags; - if (!(drvdata && local_read(&drvdata->csdev->mode))) + if (!(drvdata && coresight_get_mode(drvdata->csdev))) return -EACCES; if (channel >= drvdata->numsp) @@ -511,7 +511,7 @@ static ssize_t port_select_show(struct device *dev, struct stm_drvdata *drvdata = dev_get_drvdata(dev->parent); unsigned long val; - if (!local_read(&drvdata->csdev->mode)) { + if (!coresight_get_mode(drvdata->csdev)) { val = drvdata->stmspscr; } else { spin_lock(&drvdata->spinlock); @@ -537,7 +537,7 @@ static ssize_t port_select_store(struct device *dev, spin_lock(&drvdata->spinlock); drvdata->stmspscr = val; - if (local_read(&drvdata->csdev->mode)) { + if (coresight_get_mode(drvdata->csdev)) { CS_UNLOCK(drvdata->base); /* Process as per ARM's TRM recommendation */ stmsper = readl_relaxed(drvdata->base + STMSPER); @@ -558,7 +558,7 @@ static ssize_t port_enable_show(struct device *dev, struct stm_drvdata *drvdata = dev_get_drvdata(dev->parent); unsigned long val; - if (!local_read(&drvdata->csdev->mode)) { + if (!coresight_get_mode(drvdata->csdev)) { val = drvdata->stmsper; } else { spin_lock(&drvdata->spinlock); @@ -584,7 +584,7 @@ static ssize_t port_enable_store(struct device *dev, spin_lock(&drvdata->spinlock); drvdata->stmsper = val; - if (local_read(&drvdata->csdev->mode)) { + if (coresight_get_mode(drvdata->csdev)) { CS_UNLOCK(drvdata->base); writel_relaxed(drvdata->stmsper, drvdata->base + STMSPER); CS_LOCK(drvdata->base); |