diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etr.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index f23ef0c23303..3b84d0d38c22 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -93,7 +93,7 @@ static void tmc_etr_disable_hw(struct tmc_drvdata *drvdata) CS_LOCK(drvdata->base); } -static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev, u32 mode) +static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev) { int ret = 0; bool used = false; @@ -102,9 +102,6 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev, u32 mode) dma_addr_t paddr; struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); - /* This shouldn't be happening */ - if (WARN_ON(mode != CS_MODE_SYSFS)) - return -EINVAL; /* * If we don't have a buffer release the lock and allocate memory. @@ -170,16 +167,12 @@ out: return ret; } -static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, u32 mode) +static int tmc_enable_etr_sink_perf(struct coresight_device *csdev) { int ret = 0; unsigned long flags; struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); - /* This shouldn't be happening */ - if (WARN_ON(mode != CS_MODE_PERF)) - return -EINVAL; - spin_lock_irqsave(&drvdata->spinlock, flags); if (drvdata->reading) { ret = -EINVAL; @@ -208,9 +201,9 @@ static int tmc_enable_etr_sink(struct coresight_device *csdev, u32 mode) { switch (mode) { case CS_MODE_SYSFS: - return tmc_enable_etr_sink_sysfs(csdev, mode); + return tmc_enable_etr_sink_sysfs(csdev); case CS_MODE_PERF: - return tmc_enable_etr_sink_perf(csdev, mode); + return tmc_enable_etr_sink_perf(csdev); } /* We shouldn't be here */ |