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Message-ID: <e8de8503-da01-7f32-ef33-512df9b4e5c2@amd.com>
Date: Thu, 8 Jun 2023 14:22:25 -0500
From: Terry Bowman <Terry.Bowman@....com>
To: Dan Williams <dan.j.williams@...el.com>,
alison.schofield@...el.com, vishal.l.verma@...el.com,
ira.weiny@...el.com, bwidawsk@...nel.org, dave.jiang@...el.com,
Jonathan.Cameron@...wei.com, linux-cxl@...r.kernel.org
Cc: rrichter@....com, linux-kernel@...r.kernel.org, bhelgaas@...gle.com
Subject: Re: [PATCH v5 03/26] cxl: Rename member @dport of struct cxl_dport to
@dev
On 6/8/23 14:08, Dan Williams wrote:
> Terry Bowman wrote:
>> Hi Dan,
>>
>>
>> On 6/8/23 01:42, Dan Williams wrote:
>>> Terry Bowman wrote:
>>>> From: Robert Richter <rrichter@....com>
>>>>
>>>> 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 @dev.
>>>
>>> This one I don't agree with.
>>>
>>> This can switch to ->dport_dev if you like. The reason for ->dport was
>>> for symmetry with the ->uport of a 'struct cxl_port'. So if you change
>>> this to ->dport_dev then also make the ->uport_dev change for symmetry.
>>>
>>> Unlike a 'struct cxl_port' a 'struct cxl_dport' is not a device in its
>>> own right which is what I see when I read dport->dev.
>>>
>>
>> Ok, I'll change the structure member names and code to use the following:
>> struct cxl_dport::dev -> struct cxl_dport::dport_dev
>>
>> struct cxl_port::uport -> struct cxl_port::uport_dev
>
> Sounds good, to save duplication of work I already have this that you
> can just adopt:
Thanks Dan. I'll insert your patch into the series.
Regards,
Terry
>
> -- >8 --
> Subject: cxl: Rename 'uport' to 'uport_dev'
>
> From: Dan Williams <dan.j.williams@...el.com>
>
> For symmetry with the recent rename of ->dport_dev for a 'struct
> cxl_dport', add the "_dev" suffix to the ->uport property of a 'struct
> cxl_port'. These devices represent the downstream-port-device and
> upstream-port-device respectively in the CXL/PCIe topology.
>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> ---
> drivers/cxl/core/pci.c | 4 +--
> drivers/cxl/core/port.c | 61 ++++++++++++++++++++++-------------------
> drivers/cxl/core/region.c | 48 +++++++++++++++++---------------
> drivers/cxl/cxl.h | 13 +++++----
> drivers/cxl/cxlmem.h | 4 +--
> drivers/cxl/mem.c | 2 +
> drivers/cxl/port.c | 2 +
> tools/testing/cxl/test/cxl.c | 20 +++++++------
> tools/testing/cxl/test/mock.c | 10 +++----
> 9 files changed, 86 insertions(+), 78 deletions(-)
>
> diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
> index 67f4ab6daa34..375f01c6cad6 100644
> --- a/drivers/cxl/core/pci.c
> +++ b/drivers/cxl/core/pci.c
> @@ -67,7 +67,7 @@ static int match_add_dports(struct pci_dev *pdev, void *data)
>
> /**
> * devm_cxl_port_enumerate_dports - enumerate downstream ports of the upstream port
> - * @port: cxl_port whose ->uport is the upstream of dports to be enumerated
> + * @port: cxl_port whose ->uport_dev is the upstream of dports to be enumerated
> *
> * Returns a positive number of dports enumerated or a negative error
> * code.
> @@ -622,7 +622,7 @@ static int cxl_cdat_read_table(struct device *dev,
> */
> void read_cdat_data(struct cxl_port *port)
> {
> - struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport);
> + struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport_dev);
> struct device *host = cxlmd->dev.parent;
> struct device *dev = &port->dev;
> struct pci_doe_mb *cdat_doe;
> diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
> index 93800e6e095f..a45a063d52ce 100644
> --- a/drivers/cxl/core/port.c
> +++ b/drivers/cxl/core/port.c
> @@ -561,9 +561,9 @@ static void unregister_port(void *_port)
> * unregistered while holding their parent port lock.
> */
> if (!parent)
> - lock_dev = port->uport;
> + lock_dev = port->uport_dev;
> else if (is_cxl_root(parent))
> - lock_dev = parent->uport;
> + lock_dev = parent->uport_dev;
> else
> lock_dev = &parent->dev;
>
> @@ -583,7 +583,8 @@ static int devm_cxl_link_uport(struct device *host, struct cxl_port *port)
> {
> int rc;
>
> - rc = sysfs_create_link(&port->dev.kobj, &port->uport->kobj, "uport");
> + rc = sysfs_create_link(&port->dev.kobj, &port->uport_dev->kobj,
> + "uport");
> if (rc)
> return rc;
> return devm_add_action_or_reset(host, cxl_unlink_uport, port);
> @@ -614,7 +615,7 @@ static int devm_cxl_link_parent_dport(struct device *host,
>
> static struct lock_class_key cxl_port_key;
>
> -static struct cxl_port *cxl_port_alloc(struct device *uport,
> +static struct cxl_port *cxl_port_alloc(struct device *uport_dev,
> resource_size_t component_reg_phys,
> struct cxl_dport *parent_dport)
> {
> @@ -630,7 +631,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
> if (rc < 0)
> goto err;
> port->id = rc;
> - port->uport = uport;
> + port->uport_dev = uport_dev;
>
> /*
> * The top-level cxl_port "cxl_root" does not have a cxl_port as
> @@ -660,10 +661,11 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
> else if (parent_dport->rch)
> 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));
> + port->host_bridge = iter->uport_dev;
> + dev_dbg(uport_dev, "host-bridge: %s\n",
> + dev_name(port->host_bridge));
> } else
> - dev->parent = uport;
> + dev->parent = uport_dev;
>
> port->component_reg_phys = component_reg_phys;
> ida_init(&port->decoder_ida);
> @@ -687,7 +689,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
> }
>
> static struct cxl_port *__devm_cxl_add_port(struct device *host,
> - struct device *uport,
> + struct device *uport_dev,
> resource_size_t component_reg_phys,
> struct cxl_dport *parent_dport)
> {
> @@ -695,12 +697,12 @@ static struct cxl_port *__devm_cxl_add_port(struct device *host,
> struct device *dev;
> int rc;
>
> - port = cxl_port_alloc(uport, component_reg_phys, parent_dport);
> + port = cxl_port_alloc(uport_dev, component_reg_phys, parent_dport);
> if (IS_ERR(port))
> return port;
>
> dev = &port->dev;
> - if (is_cxl_memdev(uport))
> + if (is_cxl_memdev(uport_dev))
> rc = dev_set_name(dev, "endpoint%d", port->id);
> else if (parent_dport)
> rc = dev_set_name(dev, "port%d", port->id);
> @@ -735,28 +737,29 @@ static struct cxl_port *__devm_cxl_add_port(struct device *host,
> /**
> * devm_cxl_add_port - register a cxl_port in CXL memory decode hierarchy
> * @host: host device for devm operations
> - * @uport: "physical" device implementing this upstream port
> + * @uport_dev: "physical" device implementing this upstream port
> * @component_reg_phys: (optional) for configurable cxl_port instances
> * @parent_dport: next hop up in the CXL memory decode hierarchy
> */
> -struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport,
> +struct cxl_port *devm_cxl_add_port(struct device *host,
> + struct device *uport_dev,
> resource_size_t component_reg_phys,
> struct cxl_dport *parent_dport)
> {
> struct cxl_port *port, *parent_port;
>
> - port = __devm_cxl_add_port(host, uport, component_reg_phys,
> + port = __devm_cxl_add_port(host, uport_dev, component_reg_phys,
> parent_dport);
>
> parent_port = parent_dport ? parent_dport->port : NULL;
> if (IS_ERR(port)) {
> - dev_dbg(uport, "Failed to add%s%s%s: %ld\n",
> + dev_dbg(uport_dev, "Failed to add%s%s%s: %ld\n",
> parent_port ? " port to " : "",
> parent_port ? dev_name(&parent_port->dev) : "",
> parent_port ? "" : " root port",
> PTR_ERR(port));
> } else {
> - dev_dbg(uport, "%s added%s%s%s\n",
> + dev_dbg(uport_dev, "%s added%s%s%s\n",
> dev_name(&port->dev),
> parent_port ? " to " : "",
> parent_port ? dev_name(&parent_port->dev) : "",
> @@ -773,33 +776,34 @@ struct pci_bus *cxl_port_to_pci_bus(struct cxl_port *port)
> if (is_cxl_root(port))
> return NULL;
>
> - if (dev_is_pci(port->uport)) {
> - struct pci_dev *pdev = to_pci_dev(port->uport);
> + if (dev_is_pci(port->uport_dev)) {
> + struct pci_dev *pdev = to_pci_dev(port->uport_dev);
>
> return pdev->subordinate;
> }
>
> - return xa_load(&cxl_root_buses, (unsigned long)port->uport);
> + return xa_load(&cxl_root_buses, (unsigned long)port->uport_dev);
> }
> EXPORT_SYMBOL_NS_GPL(cxl_port_to_pci_bus, CXL);
>
> -static void unregister_pci_bus(void *uport)
> +static void unregister_pci_bus(void *uport_dev)
> {
> - xa_erase(&cxl_root_buses, (unsigned long)uport);
> + xa_erase(&cxl_root_buses, (unsigned long)uport_dev);
> }
>
> -int devm_cxl_register_pci_bus(struct device *host, struct device *uport,
> +int devm_cxl_register_pci_bus(struct device *host, struct device *uport_dev,
> struct pci_bus *bus)
> {
> int rc;
>
> - if (dev_is_pci(uport))
> + if (dev_is_pci(uport_dev))
> return -EINVAL;
>
> - rc = xa_insert(&cxl_root_buses, (unsigned long)uport, bus, GFP_KERNEL);
> + rc = xa_insert(&cxl_root_buses, (unsigned long)uport_dev, bus,
> + GFP_KERNEL);
> if (rc)
> return rc;
> - return devm_add_action_or_reset(host, unregister_pci_bus, uport);
> + return devm_add_action_or_reset(host, unregister_pci_bus, uport_dev);
> }
> EXPORT_SYMBOL_NS_GPL(devm_cxl_register_pci_bus, CXL);
>
> @@ -920,7 +924,7 @@ __devm_cxl_add_dport(struct cxl_port *port, struct device *dport_dev,
> int rc;
>
> if (is_cxl_root(port))
> - host = port->uport;
> + host = port->uport_dev;
> else
> host = &port->dev;
>
> @@ -1374,7 +1378,7 @@ static int add_port_attach_ep(struct cxl_memdev *cxlmd,
> rc = PTR_ERR(port);
> else {
> dev_dbg(&cxlmd->dev, "add to new port %s:%s\n",
> - dev_name(&port->dev), dev_name(port->uport));
> + dev_name(&port->dev), dev_name(port->uport_dev));
> rc = cxl_add_ep(dport, &cxlmd->dev);
> if (rc == -EBUSY) {
> /*
> @@ -1436,7 +1440,8 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
> if (port) {
> dev_dbg(&cxlmd->dev,
> "found already registered port %s:%s\n",
> - dev_name(&port->dev), dev_name(port->uport));
> + dev_name(&port->dev),
> + dev_name(port->uport_dev));
> rc = cxl_add_ep(dport, &cxlmd->dev);
>
> /*
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index 13cda989d944..39825e5301d0 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -906,10 +906,10 @@ static int cxl_port_attach_region(struct cxl_port *port,
>
> dev_dbg(&cxlr->dev,
> "%s:%s %s add: %s:%s @ %d next: %s nr_eps: %d nr_targets: %d\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> dev_name(&cxld->dev), dev_name(&cxlmd->dev),
> dev_name(&cxled->cxld.dev), pos,
> - ep ? ep->next ? dev_name(ep->next->uport) :
> + ep ? ep->next ? dev_name(ep->next->uport_dev) :
> dev_name(&cxlmd->dev) :
> "none",
> cxl_rr->nr_eps, cxl_rr->nr_targets);
> @@ -984,7 +984,7 @@ static int check_last_peer(struct cxl_endpoint_decoder *cxled,
> */
> if (pos < distance) {
> dev_dbg(&cxlr->dev, "%s:%s: cannot host %s:%s at %d\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
> return -ENXIO;
> }
> @@ -994,7 +994,7 @@ static int check_last_peer(struct cxl_endpoint_decoder *cxled,
> if (ep->dport != ep_peer->dport) {
> dev_dbg(&cxlr->dev,
> "%s:%s: %s:%s pos %d mismatched peer %s:%s\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos,
> dev_name(&cxlmd_peer->dev),
> dev_name(&cxled_peer->cxld.dev));
> @@ -1026,7 +1026,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> */
> if (!is_power_of_2(cxl_rr->nr_targets)) {
> dev_dbg(&cxlr->dev, "%s:%s: invalid target count %d\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> cxl_rr->nr_targets);
> return -EINVAL;
> }
> @@ -1076,7 +1076,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> rc = granularity_to_eig(parent_ig, &peig);
> if (rc) {
> dev_dbg(&cxlr->dev, "%s:%s: invalid parent granularity: %d\n",
> - dev_name(parent_port->uport),
> + dev_name(parent_port->uport_dev),
> dev_name(&parent_port->dev), parent_ig);
> return rc;
> }
> @@ -1084,7 +1084,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> rc = ways_to_eiw(parent_iw, &peiw);
> if (rc) {
> dev_dbg(&cxlr->dev, "%s:%s: invalid parent interleave: %d\n",
> - dev_name(parent_port->uport),
> + dev_name(parent_port->uport_dev),
> dev_name(&parent_port->dev), parent_iw);
> return rc;
> }
> @@ -1093,7 +1093,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> rc = ways_to_eiw(iw, &eiw);
> if (rc) {
> dev_dbg(&cxlr->dev, "%s:%s: invalid port interleave: %d\n",
> - dev_name(port->uport), dev_name(&port->dev), iw);
> + dev_name(port->uport_dev), dev_name(&port->dev), iw);
> return rc;
> }
>
> @@ -1113,7 +1113,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> rc = eig_to_granularity(eig, &ig);
> if (rc) {
> dev_dbg(&cxlr->dev, "%s:%s: invalid interleave: %d\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> 256 << eig);
> return rc;
> }
> @@ -1126,11 +1126,11 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> ((cxld->flags & CXL_DECODER_F_ENABLE) == 0)) {
> dev_err(&cxlr->dev,
> "%s:%s %s expected iw: %d ig: %d %pr\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> __func__, iw, ig, p->res);
> dev_err(&cxlr->dev,
> "%s:%s %s got iw: %d ig: %d state: %s %#llx:%#llx\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> __func__, cxld->interleave_ways,
> cxld->interleave_granularity,
> (cxld->flags & CXL_DECODER_F_ENABLE) ?
> @@ -1147,20 +1147,20 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> .end = p->res->end,
> };
> }
> - dev_dbg(&cxlr->dev, "%s:%s iw: %d ig: %d\n", dev_name(port->uport),
> + dev_dbg(&cxlr->dev, "%s:%s iw: %d ig: %d\n", dev_name(port->uport_dev),
> dev_name(&port->dev), iw, ig);
> add_target:
> if (cxl_rr->nr_targets_set == cxl_rr->nr_targets) {
> dev_dbg(&cxlr->dev,
> "%s:%s: targets full trying to add %s:%s at %d\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
> return -ENXIO;
> }
> if (test_bit(CXL_REGION_F_AUTO, &cxlr->flags)) {
> if (cxlsd->target[cxl_rr->nr_targets_set] != ep->dport) {
> dev_dbg(&cxlr->dev, "%s:%s: %s expected %s at %d\n",
> - dev_name(port->uport), dev_name(&port->dev),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> dev_name(&cxlsd->cxld.dev),
> dev_name(ep->dport->dport_dev),
> cxl_rr->nr_targets_set);
> @@ -1172,7 +1172,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
> 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),
> + dev_name(port->uport_dev), dev_name(&port->dev),
> cxl_rr->nr_targets_set - 1, dev_name(ep->dport->dport_dev),
> dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
>
> @@ -1492,7 +1492,7 @@ static int cmp_decode_pos(const void *a, const void *b)
> if (!dev) {
> struct range *range = &cxled_a->cxld.hpa_range;
>
> - dev_err(port->uport,
> + dev_err(port->uport_dev,
> "failed to find decoder that maps %#llx-%#llx\n",
> range->start, range->end);
> goto err;
> @@ -1507,14 +1507,15 @@ static int cmp_decode_pos(const void *a, const void *b)
> put_device(dev);
>
> if (a_pos < 0 || b_pos < 0) {
> - dev_err(port->uport,
> + dev_err(port->uport_dev,
> "failed to find shared decoder for %s and %s\n",
> dev_name(cxlmd_a->dev.parent),
> dev_name(cxlmd_b->dev.parent));
> goto err;
> }
>
> - dev_dbg(port->uport, "%s comes %s %s\n", dev_name(cxlmd_a->dev.parent),
> + dev_dbg(port->uport_dev, "%s comes %s %s\n",
> + dev_name(cxlmd_a->dev.parent),
> a_pos - b_pos < 0 ? "before" : "after",
> dev_name(cxlmd_b->dev.parent));
>
> @@ -2059,11 +2060,11 @@ static struct cxl_region *devm_cxl_add_region(struct cxl_root_decoder *cxlrd,
> if (rc)
> goto err;
>
> - rc = devm_add_action_or_reset(port->uport, unregister_region, cxlr);
> + rc = devm_add_action_or_reset(port->uport_dev, unregister_region, cxlr);
> if (rc)
> return ERR_PTR(rc);
>
> - dev_dbg(port->uport, "%s: created %s\n",
> + dev_dbg(port->uport_dev, "%s: created %s\n",
> dev_name(&cxlrd->cxlsd.cxld.dev), dev_name(dev));
> return cxlr;
>
> @@ -2191,7 +2192,7 @@ static ssize_t delete_region_store(struct device *dev,
> if (IS_ERR(cxlr))
> return PTR_ERR(cxlr);
>
> - devm_release_action(port->uport, unregister_region, cxlr);
> + devm_release_action(port->uport_dev, unregister_region, cxlr);
> put_device(&cxlr->dev);
>
> return len;
> @@ -2356,7 +2357,8 @@ int cxl_get_poison_by_endpoint(struct cxl_port *port)
>
> rc = device_for_each_child(&port->dev, &ctx, poison_by_decoder);
> if (rc == 1)
> - rc = cxl_get_poison_unmapped(to_cxl_memdev(port->uport), &ctx);
> + rc = cxl_get_poison_unmapped(to_cxl_memdev(port->uport_dev),
> + &ctx);
>
> up_read(&cxl_region_rwsem);
> return rc;
> @@ -2732,7 +2734,7 @@ static struct cxl_region *construct_region(struct cxl_root_decoder *cxlrd,
>
> err:
> up_write(&cxl_region_rwsem);
> - devm_release_action(port->uport, unregister_region, cxlr);
> + devm_release_action(port->uport_dev, unregister_region, cxlr);
> return ERR_PTR(rc);
> }
>
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index 7232c2a0e27c..754cfe59ae37 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -536,7 +536,7 @@ struct cxl_dax_region {
> * downstream port devices to construct a CXL memory
> * decode hierarchy.
> * @dev: this port's device
> - * @uport: PCI or platform device implementing the upstream port capability
> + * @uport_dev: PCI or platform device implementing the upstream port capability
> * @host_bridge: Shortcut to the platform attach point for this port
> * @id: id for port device-name
> * @dports: cxl_dport instances referenced by decoders
> @@ -555,7 +555,7 @@ struct cxl_dax_region {
> */
> struct cxl_port {
> struct device dev;
> - struct device *uport;
> + struct device *uport_dev;
> struct device *host_bridge;
> int id;
> struct xarray dports;
> @@ -641,21 +641,22 @@ struct cxl_region_ref {
> /*
> * The platform firmware device hosting the root is also the top of the
> * CXL port topology. All other CXL ports have another CXL port as their
> - * parent and their ->uport / host device is out-of-line of the port
> + * parent and their ->uport_dev / host device is out-of-line of the port
> * ancestry.
> */
> static inline bool is_cxl_root(struct cxl_port *port)
> {
> - return port->uport == port->dev.parent;
> + return port->uport_dev == port->dev.parent;
> }
>
> bool is_cxl_port(const struct device *dev);
> struct cxl_port *to_cxl_port(const struct device *dev);
> struct pci_bus;
> -int devm_cxl_register_pci_bus(struct device *host, struct device *uport,
> +int devm_cxl_register_pci_bus(struct device *host, struct device *uport_dev,
> struct pci_bus *bus);
> struct pci_bus *cxl_port_to_pci_bus(struct cxl_port *port);
> -struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport,
> +struct cxl_port *devm_cxl_add_port(struct device *host,
> + struct device *uport_dev,
> resource_size_t component_reg_phys,
> struct cxl_dport *parent_dport);
> struct cxl_port *find_cxl_root(struct cxl_port *port);
> diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
> index a2845a7a69d8..76743016b64c 100644
> --- a/drivers/cxl/cxlmem.h
> +++ b/drivers/cxl/cxlmem.h
> @@ -72,13 +72,13 @@ cxled_to_memdev(struct cxl_endpoint_decoder *cxled)
> {
> struct cxl_port *port = to_cxl_port(cxled->cxld.dev.parent);
>
> - return to_cxl_memdev(port->uport);
> + return to_cxl_memdev(port->uport_dev);
> }
>
> bool is_cxl_memdev(const struct device *dev);
> static inline bool is_cxl_endpoint(struct cxl_port *port)
> {
> - return is_cxl_memdev(port->uport);
> + return is_cxl_memdev(port->uport_dev);
> }
>
> struct cxl_memdev *devm_cxl_add_memdev(struct cxl_dev_state *cxlds);
> diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
> index 45d4c32d78b0..4cc461c22b8b 100644
> --- a/drivers/cxl/mem.c
> +++ b/drivers/cxl/mem.c
> @@ -163,7 +163,7 @@ static int cxl_mem_probe(struct device *dev)
> }
>
> if (dport->rch)
> - endpoint_parent = parent_port->uport;
> + endpoint_parent = parent_port->uport_dev;
> else
> endpoint_parent = &parent_port->dev;
>
> diff --git a/drivers/cxl/port.c b/drivers/cxl/port.c
> index c23b6164e1c0..4cef2bf45ad2 100644
> --- a/drivers/cxl/port.c
> +++ b/drivers/cxl/port.c
> @@ -91,7 +91,7 @@ static int cxl_switch_port_probe(struct cxl_port *port)
> static int cxl_endpoint_port_probe(struct cxl_port *port)
> {
> struct cxl_endpoint_dvsec_info info = { .port = port };
> - struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport);
> + struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport_dev);
> struct cxl_dev_state *cxlds = cxlmd->cxlds;
> struct cxl_hdm *cxlhdm;
> struct cxl_port *root;
> diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
> index f5c04787bcc8..4f62eb55f8b8 100644
> --- a/tools/testing/cxl/test/cxl.c
> +++ b/tools/testing/cxl/test/cxl.c
> @@ -754,7 +754,7 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld)
> /* check is endpoint is attach to host-bridge0 */
> port = cxled_to_port(cxled);
> do {
> - if (port->uport == &cxl_host_bridge[0]->dev) {
> + if (port->uport_dev == &cxl_host_bridge[0]->dev) {
> hb0 = true;
> break;
> }
> @@ -889,7 +889,7 @@ static int mock_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm,
> mock_init_hdm_decoder(cxld);
>
> if (target_count) {
> - rc = device_for_each_child(port->uport, &ctx,
> + rc = device_for_each_child(port->uport_dev, &ctx,
> map_targets);
> if (rc) {
> put_device(&cxld->dev);
> @@ -919,29 +919,29 @@ static int mock_cxl_port_enumerate_dports(struct cxl_port *port)
> int i, array_size;
>
> if (port->depth == 1) {
> - if (is_multi_bridge(port->uport)) {
> + if (is_multi_bridge(port->uport_dev)) {
> array_size = ARRAY_SIZE(cxl_root_port);
> array = cxl_root_port;
> - } else if (is_single_bridge(port->uport)) {
> + } else if (is_single_bridge(port->uport_dev)) {
> array_size = ARRAY_SIZE(cxl_root_single);
> array = cxl_root_single;
> } else {
> dev_dbg(&port->dev, "%s: unknown bridge type\n",
> - dev_name(port->uport));
> + dev_name(port->uport_dev));
> return -ENXIO;
> }
> } else if (port->depth == 2) {
> struct cxl_port *parent = to_cxl_port(port->dev.parent);
>
> - if (is_multi_bridge(parent->uport)) {
> + if (is_multi_bridge(parent->uport_dev)) {
> array_size = ARRAY_SIZE(cxl_switch_dport);
> array = cxl_switch_dport;
> - } else if (is_single_bridge(parent->uport)) {
> + } else if (is_single_bridge(parent->uport_dev)) {
> array_size = ARRAY_SIZE(cxl_swd_single);
> array = cxl_swd_single;
> } else {
> dev_dbg(&port->dev, "%s: unknown bridge type\n",
> - dev_name(port->uport));
> + dev_name(port->uport_dev));
> return -ENXIO;
> }
> } else {
> @@ -954,9 +954,9 @@ static int mock_cxl_port_enumerate_dports(struct cxl_port *port)
> struct platform_device *pdev = array[i];
> struct cxl_dport *dport;
>
> - if (pdev->dev.parent != port->uport) {
> + if (pdev->dev.parent != port->uport_dev) {
> dev_dbg(&port->dev, "%s: mismatch parent %s\n",
> - dev_name(port->uport),
> + dev_name(port->uport_dev),
> dev_name(pdev->dev.parent));
> continue;
> }
> diff --git a/tools/testing/cxl/test/mock.c b/tools/testing/cxl/test/mock.c
> index dbeef5c6f606..da554df50bac 100644
> --- a/tools/testing/cxl/test/mock.c
> +++ b/tools/testing/cxl/test/mock.c
> @@ -139,7 +139,7 @@ struct cxl_hdm *__wrap_devm_cxl_setup_hdm(struct cxl_port *port,
> struct cxl_hdm *cxlhdm;
> struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
>
> - if (ops && ops->is_mock_port(port->uport))
> + if (ops && ops->is_mock_port(port->uport_dev))
> cxlhdm = ops->devm_cxl_setup_hdm(port, info);
> else
> cxlhdm = devm_cxl_setup_hdm(port, info);
> @@ -154,7 +154,7 @@ int __wrap_devm_cxl_enable_hdm(struct cxl_port *port, struct cxl_hdm *cxlhdm)
> int index, rc;
> struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
>
> - if (ops && ops->is_mock_port(port->uport))
> + if (ops && ops->is_mock_port(port->uport_dev))
> rc = 0;
> else
> rc = devm_cxl_enable_hdm(port, cxlhdm);
> @@ -169,7 +169,7 @@ int __wrap_devm_cxl_add_passthrough_decoder(struct cxl_port *port)
> int rc, index;
> struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
>
> - if (ops && ops->is_mock_port(port->uport))
> + if (ops && ops->is_mock_port(port->uport_dev))
> rc = ops->devm_cxl_add_passthrough_decoder(port);
> else
> rc = devm_cxl_add_passthrough_decoder(port);
> @@ -186,7 +186,7 @@ int __wrap_devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm,
> struct cxl_port *port = cxlhdm->port;
> struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
>
> - if (ops && ops->is_mock_port(port->uport))
> + if (ops && ops->is_mock_port(port->uport_dev))
> rc = ops->devm_cxl_enumerate_decoders(cxlhdm, info);
> else
> rc = devm_cxl_enumerate_decoders(cxlhdm, info);
> @@ -201,7 +201,7 @@ int __wrap_devm_cxl_port_enumerate_dports(struct cxl_port *port)
> int rc, index;
> struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
>
> - if (ops && ops->is_mock_port(port->uport))
> + if (ops && ops->is_mock_port(port->uport_dev))
> rc = ops->devm_cxl_port_enumerate_dports(port);
> else
> rc = devm_cxl_port_enumerate_dports(port);
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