diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 39fba1d16e6e..7040d583bed9 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -484,7 +484,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) break; case TMC_CONFIG_TYPE_ETR: desc.type = CORESIGHT_DEV_TYPE_SINK; - desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER; + desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_SYSMEM; desc.ops = &tmc_etr_cs_ops; ret = tmc_etr_setup_caps(dev, devid, coresight_get_uci_data(id)); @@ -496,6 +496,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id) break; case TMC_CONFIG_TYPE_ETF: desc.type = CORESIGHT_DEV_TYPE_LINKSINK; + desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER; desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_FIFO; desc.ops = &tmc_etf_cs_ops; dev_list = &etf_devs; @@ -538,6 +539,28 @@ out: return ret; } +static void tmc_shutdown(struct amba_device *adev) +{ + unsigned long flags; + struct tmc_drvdata *drvdata = amba_get_drvdata(adev); + + spin_lock_irqsave(&drvdata->spinlock, flags); + + if (drvdata->mode == CS_MODE_DISABLED) + goto out; + + if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) + tmc_etr_disable_hw(drvdata); + + /* + * We do not care about coresight unregister here unlike remove + * callback which is required for making coresight modular since + * the system is going down after this. + */ +out: + spin_unlock_irqrestore(&drvdata->spinlock, flags); +} + static const struct amba_id tmc_ids[] = { CS_AMBA_ID(0x000bb961), /* Coresight SoC 600 TMC-ETR/ETS */ @@ -556,6 +579,7 @@ static struct amba_driver tmc_driver = { .suppress_bind_attrs = true, }, .probe = tmc_probe, + .shutdown = tmc_shutdown, .id_table = tmc_ids, }; builtin_amba_driver(tmc_driver); |