Rename to avoid confusion between port number and the index in the connection array. The port number is already stored in the connection, and in a later commit the connection array will be appended to, so the length of it will no longer reflect the number of ports.
No functional changes.
Signed-off-by: James Clark james.clark@arm.com --- drivers/hwtracing/coresight/coresight-core.c | 32 ++++++++--------- .../hwtracing/coresight/coresight-platform.c | 34 +++++++++---------- .../hwtracing/coresight/coresight-tmc-etr.c | 2 +- include/linux/coresight.h | 10 +++--- 4 files changed, 39 insertions(+), 39 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c index c0eda7407fb8..617be08883da 100644 --- a/drivers/hwtracing/coresight/coresight-core.c +++ b/drivers/hwtracing/coresight/coresight-core.c @@ -118,7 +118,7 @@ static int coresight_find_link_inport(struct coresight_device *csdev, int i; struct coresight_connection *conn;
- for (i = 0; i < parent->pdata->nr_outport; i++) { + for (i = 0; i < parent->pdata->nr_outconns; i++) { conn = &parent->pdata->out_conns[i]; if (conn->child_dev == csdev) return conn->child_port; @@ -136,7 +136,7 @@ static int coresight_find_link_outport(struct coresight_device *csdev, int i; struct coresight_connection *conn;
- for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { conn = &csdev->pdata->out_conns[i]; if (conn->child_dev == child) return conn->outport; @@ -397,9 +397,9 @@ static void coresight_disable_link(struct coresight_device *csdev, link_subtype = csdev->subtype.link_subtype;
if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_MERG) { - nr_conns = csdev->pdata->nr_inport; + nr_conns = csdev->pdata->nr_inconns; } else if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_SPLIT) { - nr_conns = csdev->pdata->nr_outport; + nr_conns = csdev->pdata->nr_outconns; } else { nr_conns = 1; } @@ -603,7 +603,7 @@ coresight_find_enabled_sink(struct coresight_device *csdev) /* * Recursively explore each port found on this element. */ - for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { struct coresight_device *child_dev;
child_dev = csdev->pdata->out_conns[i].child_dev; @@ -719,7 +719,7 @@ static int coresight_grab_device(struct coresight_device *csdev) { int i;
- for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { struct coresight_device *child;
child = csdev->pdata->out_conns[i].child_dev; @@ -749,7 +749,7 @@ static void coresight_drop_device(struct coresight_device *csdev) int i;
coresight_put_ref(csdev); - for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { struct coresight_device *child;
child = csdev->pdata->out_conns[i].child_dev; @@ -791,7 +791,7 @@ static int _coresight_build_path(struct coresight_device *csdev, }
/* Not a sink - recursively explore each port found on this element */ - for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { struct coresight_device *child_dev;
child_dev = csdev->pdata->out_conns[i].child_dev; @@ -960,7 +960,7 @@ coresight_find_sink(struct coresight_device *csdev, int *depth) * Not a sink we want - or possible child sink may be better. * recursively explore each port found on this element. */ - for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { struct coresight_device *child_dev, *sink = NULL; int child_depth = curr_depth;
@@ -1333,7 +1333,7 @@ static int coresight_orphan_match(struct device *dev, void *data) * Circle throuch all the connection of that component. If we find * an orphan connection whose name matches @csdev, link it. */ - for (i = 0; i < i_csdev->pdata->nr_outport; i++) { + for (i = 0; i < i_csdev->pdata->nr_outconns; i++) { conn = &i_csdev->pdata->out_conns[i];
/* Skip the port if FW doesn't describe it */ @@ -1374,7 +1374,7 @@ static int coresight_fixup_device_conns(struct coresight_device *csdev) { int i, ret = 0;
- for (i = 0; i < csdev->pdata->nr_outport; i++) { + for (i = 0; i < csdev->pdata->nr_outconns; i++) { struct coresight_connection *conn = &csdev->pdata->out_conns[i];
if (!conn->child_fwnode) @@ -1411,7 +1411,7 @@ static int coresight_remove_match(struct device *dev, void *data) * Circle throuch all the connection of that component. If we find * a connection whose name matches @csdev, remove it. */ - for (i = 0; i < iterator->pdata->nr_outport; i++) { + for (i = 0; i < iterator->pdata->nr_outconns; i++) { conn = &iterator->pdata->out_conns[i];
if (conn->child_dev == NULL || conn->child_fwnode == NULL) @@ -1451,7 +1451,7 @@ static void coresight_remove_conns(struct coresight_device *csdev) * doesn't have at least one input port, there is no point * in searching all the devices. */ - if (csdev->pdata->nr_inport) + if (csdev->pdata->nr_inconns) bus_for_each_dev(&coresight_bustype, NULL, csdev, coresight_remove_match); } @@ -1550,7 +1550,7 @@ void coresight_release_platform_data(struct coresight_device *csdev, int i; struct coresight_connection *conns = pdata->out_conns;
- for (i = 0; i < pdata->nr_outport; i++) { + for (i = 0; i < pdata->nr_outconns; i++) { /* If we have made the links, remove them now */ if (csdev && conns[i].child_dev) coresight_remove_links(csdev, &conns[i]); @@ -1587,9 +1587,9 @@ struct coresight_device *coresight_register(struct coresight_desc *desc) link_subtype = desc->subtype.link_subtype;
if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_MERG) - nr_refcnts = desc->pdata->nr_inport; + nr_refcnts = desc->pdata->nr_inconns; else if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_SPLIT) - nr_refcnts = desc->pdata->nr_outport; + nr_refcnts = desc->pdata->nr_outconns; }
refcnts = kcalloc(nr_refcnts, sizeof(*refcnts), GFP_KERNEL); diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index 5085525a32bb..ed865e0621a9 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -26,8 +26,8 @@ static int coresight_alloc_conns(struct device *dev, struct coresight_platform_data *pdata) { - if (pdata->nr_outport) { - pdata->out_conns = devm_kcalloc(dev, pdata->nr_outport, + if (pdata->nr_outconns) { + pdata->out_conns = devm_kcalloc(dev, pdata->nr_outconns, sizeof(*pdata->out_conns), GFP_KERNEL); if (!pdata->out_conns) return -ENOMEM; @@ -84,7 +84,7 @@ static inline bool of_coresight_legacy_ep_is_input(struct device_node *ep) }
static void of_coresight_get_ports_legacy(const struct device_node *node, - int *nr_inport, int *nr_outport) + int *nr_inconns, int *nr_outconns) { struct device_node *ep = NULL; struct of_endpoint endpoint; @@ -114,8 +114,8 @@ static void of_coresight_get_ports_legacy(const struct device_node *node,
} while (ep);
- *nr_inport = in; - *nr_outport = out; + *nr_inconns = in; + *nr_outconns = out; }
static struct device_node *of_coresight_get_port_parent(struct device_node *ep) @@ -164,7 +164,7 @@ of_coresight_count_ports(struct device_node *port_parent) }
static void of_coresight_get_ports(const struct device_node *node, - int *nr_inport, int *nr_outport) + int *nr_inconns, int *nr_outconns) { struct device_node *input_ports = NULL, *output_ports = NULL;
@@ -173,16 +173,16 @@ static void of_coresight_get_ports(const struct device_node *node,
if (input_ports || output_ports) { if (input_ports) { - *nr_inport = of_coresight_count_ports(input_ports); + *nr_inconns = of_coresight_count_ports(input_ports); of_node_put(input_ports); } if (output_ports) { - *nr_outport = of_coresight_count_ports(output_ports); + *nr_outconns = of_coresight_count_ports(output_ports); of_node_put(output_ports); } } else { /* Fall back to legacy DT bindings parsing */ - of_coresight_get_ports_legacy(node, nr_inport, nr_outport); + of_coresight_get_ports_legacy(node, nr_inconns, nr_outconns); } }
@@ -289,10 +289,10 @@ static int of_get_coresight_platform_data(struct device *dev, struct device_node *node = dev->of_node;
/* Get the number of input and output port for this component */ - of_coresight_get_ports(node, &pdata->nr_inport, &pdata->nr_outport); + of_coresight_get_ports(node, &pdata->nr_inconns, &pdata->nr_outconns);
/* If there are no output connections, we are done */ - if (!pdata->nr_outport) + if (!pdata->nr_outconns) return 0;
ret = coresight_alloc_conns(dev, pdata); @@ -690,7 +690,7 @@ static int acpi_coresight_parse_graph(struct acpi_device *adev, const union acpi_object *graph; struct coresight_connection *conns, *ptr;
- pdata->nr_inport = pdata->nr_outport = 0; + pdata->nr_inconns = pdata->nr_outconns = 0; graph = acpi_get_coresight_graph(adev); if (!graph) return -ENOENT; @@ -718,11 +718,11 @@ static int acpi_coresight_parse_graph(struct acpi_device *adev, return dir;
if (dir == ACPI_CORESIGHT_LINK_MASTER) { - if (ptr->outport >= pdata->nr_outport) - pdata->nr_outport = ptr->outport + 1; + if (ptr->outport >= pdata->nr_outconns) + pdata->nr_outconns = ptr->outport + 1; ptr++; } else { - WARN_ON(pdata->nr_inport == ptr->child_port + 1); + WARN_ON(pdata->nr_inconns == ptr->child_port + 1); /* * We do not track input port connections for a device. * However we need the highest port number described, @@ -730,8 +730,8 @@ static int acpi_coresight_parse_graph(struct acpi_device *adev, * record for an output connection. Hence, do not move * the ptr for input connections */ - if (ptr->child_port >= pdata->nr_inport) - pdata->nr_inport = ptr->child_port + 1; + if (ptr->child_port >= pdata->nr_inconns) + pdata->nr_inconns = ptr->child_port + 1; } }
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 86d4a08aa833..4711dfa7418c 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -781,7 +781,7 @@ tmc_etr_get_catu_device(struct tmc_drvdata *drvdata) if (!IS_ENABLED(CONFIG_CORESIGHT_CATU)) return NULL;
- for (i = 0; i < etr->pdata->nr_outport; i++) { + for (i = 0; i < etr->pdata->nr_outconns; i++) { tmp = etr->pdata->out_conns[i].child_dev; if (tmp && coresight_is_catu_device(tmp)) return tmp; diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 322d7273e122..cdf0d1def778 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -102,13 +102,13 @@ union coresight_dev_subtype { * struct coresight_platform_data - data harvested from the firmware * specification. * - * @nr_inport: Number of elements for the input connections. - * @nr_outport: Number of elements for the output connections. - * @conns: Sparse array of nr_outport connections from this component. + * @nr_inconns: Number of elements for the input connections. + * @nr_outconns: Number of elements for the output connections. + * @conns: Sparse array of nr_outconns connections from this component. */ struct coresight_platform_data { - int nr_inport; - int nr_outport; + int nr_inconns; + int nr_outconns; struct coresight_connection *out_conns; };