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cxl: Rename member @dport of struct cxl_dport to @dport_dev

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Reading code like dport->dport does not immediately suggest that this
points to the corresponding device structure of the dport. Rename
struct member @dport to @dport_dev.

While at it, also rename @new argument of add_dport() to @dport. This
better describes the variable as a dport (e.g. new->dport becomes to
dport->dport_dev).

Co-developed-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20230622205523.85375-5-terry.bowman@amd.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Robert Richter 2023-06-22 15:55:00 -05:00 committed by Dan Williams
parent 0619337856
commit 227db57459
3 changed files with 14 additions and 14 deletions
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20
drivers/cxl/core/port.c
View File

@ -605,7 +605,7 @@ static int devm_cxl_link_parent_dport(struct device *host,
if (!parent_dport)
return 0;
rc = sysfs_create_link(&port->dev.kobj, &parent_dport->dport->kobj,
rc = sysfs_create_link(&port->dev.kobj, &parent_dport->dport_dev->kobj,
"parent_dport");
if (rc)
return rc;
@ -658,7 +658,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
if (iter->host_bridge)
port->host_bridge = iter->host_bridge;
else if (parent_dport->rch)
port->host_bridge = parent_dport->dport;
port->host_bridge = parent_dport->dport_dev;
else
port->host_bridge = iter->uport;
dev_dbg(uport, "host-bridge: %s\n", dev_name(port->host_bridge));
@ -847,22 +847,22 @@ static struct cxl_dport *find_dport(struct cxl_port *port, int id)
return NULL;
}
static int add_dport(struct cxl_port *port, struct cxl_dport *new)
static int add_dport(struct cxl_port *port, struct cxl_dport *dport)
{
struct cxl_dport *dup;
int rc;
device_lock_assert(&port->dev);
dup = find_dport(port, new->port_id);
dup = find_dport(port, dport->port_id);
if (dup) {
dev_err(&port->dev,
"unable to add dport%d-%s non-unique port id (%s)\n",
new->port_id, dev_name(new->dport),
dev_name(dup->dport));
dport->port_id, dev_name(dport->dport_dev),
dev_name(dup->dport_dev));
return -EBUSY;
}
rc = xa_insert(&port->dports, (unsigned long)new->dport, new,
rc = xa_insert(&port->dports, (unsigned long)dport->dport_dev, dport,
GFP_KERNEL);
if (rc)
return rc;
@ -895,8 +895,8 @@ static void cxl_dport_remove(void *data)
struct cxl_dport *dport = data;
struct cxl_port *port = dport->port;
xa_erase(&port->dports, (unsigned long) dport->dport);
put_device(dport->dport);
xa_erase(&port->dports, (unsigned long) dport->dport_dev);
put_device(dport->dport_dev);
}
static void cxl_dport_unlink(void *data)
@ -954,7 +954,7 @@ __devm_cxl_add_dport(struct cxl_port *port, struct device *dport_dev,
dev_dbg(dport_dev, "Component Registers found for dport: %pa\n",
&component_reg_phys);
dport->dport = dport_dev;
dport->dport_dev = dport_dev;
dport->port_id = port_id;
dport->component_reg_phys = component_reg_phys;
dport->port = port;

4
drivers/cxl/core/region.c
View File

@ -1162,7 +1162,7 @@ add_target:
dev_dbg(&cxlr->dev, "%s:%s: %s expected %s at %d\n",
dev_name(port->uport), dev_name(&port->dev),
dev_name(&cxlsd->cxld.dev),
dev_name(ep->dport->dport),
dev_name(ep->dport->dport_dev),
cxl_rr->nr_targets_set);
return -ENXIO;
}
@ -1173,7 +1173,7 @@ out_target_set:
cxl_rr->nr_targets_set += inc;
dev_dbg(&cxlr->dev, "%s:%s target[%d] = %s for %s:%s @ %d\n",
dev_name(port->uport), dev_name(&port->dev),
cxl_rr->nr_targets_set - 1, dev_name(ep->dport->dport),
cxl_rr->nr_targets_set - 1, dev_name(ep->dport->dport_dev),
dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
return 0;

4
drivers/cxl/cxl.h
View File

@ -589,7 +589,7 @@ struct cxl_rcrb_info {
/**
* struct cxl_dport - CXL downstream port
* @dport: PCI bridge or firmware device representing the downstream link
* @dport_dev: PCI bridge or firmware device representing the downstream link
* @port_id: unique hardware identifier for dport in decoder target list
* @component_reg_phys: downstream port component registers
* @rcrb: Data about the Root Complex Register Block layout
@ -597,7 +597,7 @@ struct cxl_rcrb_info {
* @port: reference to cxl_port that contains this downstream port
*/
struct cxl_dport {
struct device *dport;
struct device *dport_dev;
int port_id;
resource_size_t component_reg_phys;
struct cxl_rcrb_info rcrb;