diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-cti-core.c')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-cti-core.c | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c index 277c890a1f1f..7023ff70cc28 100644 --- a/drivers/hwtracing/coresight/coresight-cti-core.c +++ b/drivers/hwtracing/coresight/coresight-cti-core.c @@ -555,7 +555,10 @@ static void cti_add_assoc_to_csdev(struct coresight_device *csdev) mutex_lock(&ect_mutex); /* exit if current is an ECT device.*/ - if ((csdev->type == CORESIGHT_DEV_TYPE_ECT) || list_empty(&ect_net)) + if ((csdev->type == CORESIGHT_DEV_TYPE_HELPER && + csdev->subtype.helper_subtype == + CORESIGHT_DEV_SUBTYPE_HELPER_ECT_CTI) || + list_empty(&ect_net)) goto cti_add_done; /* if we didn't find the csdev previously we used the fwnode name */ @@ -571,8 +574,7 @@ static void cti_add_assoc_to_csdev(struct coresight_device *csdev) * if we found a matching csdev then update the ECT * association pointer for the device with this CTI. */ - coresight_set_assoc_ectdev_mutex(csdev, - ect_item->csdev); + coresight_add_helper(csdev, ect_item->csdev); break; } } @@ -582,26 +584,30 @@ cti_add_done: /* * Removing the associated devices is easier. - * A CTI will not have a value for csdev->ect_dev. */ static void cti_remove_assoc_from_csdev(struct coresight_device *csdev) { struct cti_drvdata *ctidrv; struct cti_trig_con *tc; struct cti_device *ctidev; + union coresight_dev_subtype cti_subtype = { + .helper_subtype = CORESIGHT_DEV_SUBTYPE_HELPER_ECT_CTI + }; + struct coresight_device *cti_csdev = coresight_find_output_type( + csdev->pdata, CORESIGHT_DEV_TYPE_HELPER, cti_subtype); + + if (!cti_csdev) + return; mutex_lock(&ect_mutex); - if (csdev->ect_dev) { - ctidrv = csdev_to_cti_drvdata(csdev->ect_dev); - ctidev = &ctidrv->ctidev; - list_for_each_entry(tc, &ctidev->trig_cons, node) { - if (tc->con_dev == csdev) { - cti_remove_sysfs_link(ctidrv, tc); - tc->con_dev = NULL; - break; - } + ctidrv = csdev_to_cti_drvdata(cti_csdev); + ctidev = &ctidrv->ctidev; + list_for_each_entry(tc, &ctidev->trig_cons, node) { + if (tc->con_dev == csdev) { + cti_remove_sysfs_link(ctidrv, tc); + tc->con_dev = NULL; + break; } - csdev->ect_dev = NULL; } mutex_unlock(&ect_mutex); } @@ -630,8 +636,8 @@ static void cti_update_conn_xrefs(struct cti_drvdata *drvdata) /* if we can set the sysfs link */ if (cti_add_sysfs_link(drvdata, tc)) /* set the CTI/csdev association */ - coresight_set_assoc_ectdev_mutex(tc->con_dev, - drvdata->csdev); + coresight_add_helper(tc->con_dev, + drvdata->csdev); else /* otherwise remove reference from CTI */ tc->con_dev = NULL; @@ -646,8 +652,6 @@ static void cti_remove_conn_xrefs(struct cti_drvdata *drvdata) list_for_each_entry(tc, &ctidev->trig_cons, node) { if (tc->con_dev) { - coresight_set_assoc_ectdev_mutex(tc->con_dev, - NULL); cti_remove_sysfs_link(drvdata, tc); tc->con_dev = NULL; } @@ -795,27 +799,27 @@ static void cti_pm_release(struct cti_drvdata *drvdata) } /** cti ect operations **/ -int cti_enable(struct coresight_device *csdev) +int cti_enable(struct coresight_device *csdev, enum cs_mode mode, void *data) { struct cti_drvdata *drvdata = csdev_to_cti_drvdata(csdev); return cti_enable_hw(drvdata); } -int cti_disable(struct coresight_device *csdev) +int cti_disable(struct coresight_device *csdev, void *data) { struct cti_drvdata *drvdata = csdev_to_cti_drvdata(csdev); return cti_disable_hw(drvdata); } -static const struct coresight_ops_ect cti_ops_ect = { +static const struct coresight_ops_helper cti_ops_ect = { .enable = cti_enable, .disable = cti_disable, }; static const struct coresight_ops cti_ops = { - .ect_ops = &cti_ops_ect, + .helper_ops = &cti_ops_ect, }; /* @@ -922,8 +926,8 @@ static int cti_probe(struct amba_device *adev, const struct amba_id *id) /* set up coresight component description */ cti_desc.pdata = pdata; - cti_desc.type = CORESIGHT_DEV_TYPE_ECT; - cti_desc.subtype.ect_subtype = CORESIGHT_DEV_SUBTYPE_ECT_CTI; + cti_desc.type = CORESIGHT_DEV_TYPE_HELPER; + cti_desc.subtype.helper_subtype = CORESIGHT_DEV_SUBTYPE_HELPER_ECT_CTI; cti_desc.ops = &cti_ops; cti_desc.groups = drvdata->ctidev.con_groups; cti_desc.dev = dev; |