diff options
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x-core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index 003245a791a2..ad866e29020e 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -1805,8 +1805,10 @@ static void __etm4_cpu_restore(struct etmv4_drvdata *drvdata) { int i; struct etmv4_save_state *state = drvdata->save_state; - struct csdev_access tmp_csa = CSDEV_ACCESS_IOMEM(drvdata->base); - struct csdev_access *csa = &tmp_csa; + struct csdev_access *csa = &drvdata->csdev->access; + + if (WARN_ON(!drvdata->csdev)) + return; etm4_cs_unlock(drvdata, csa); etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET); |