| Message ID | 20230622035126.4130151-10-terry.bowman@amd.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | cxl/pci: Add support for RCH RAS error handling | expand |
On 6/21/23 20:51, Terry Bowman wrote: > From: Robert Richter <rrichter@amd.com> > > Just moving code to reorder functions to later share cxl_get_chbs() > with add_host_bridge_uport(). > > This makes changes in the next patch visible. No other changes at all. > > Signed-off-by: Robert Richter <rrichter@amd.com> > Signed-off-by: Terry Bowman <terry.bowman@amd.com> > Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> > --- > drivers/cxl/acpi.c | 90 +++++++++++++++++++++++----------------------- > 1 file changed, 45 insertions(+), 45 deletions(-) > > diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c > index 70cd9ac73a8b..0c975ee684b0 100644 > --- a/drivers/cxl/acpi.c > +++ b/drivers/cxl/acpi.c > @@ -327,51 +327,6 @@ __mock struct acpi_device *to_cxl_host_bridge(struct device *host, > return NULL; > } > > -/* > - * A host bridge is a dport to a CFMWS decode and it is a uport to the > - * dport (PCIe Root Ports) in the host bridge. > - */ > -static int add_host_bridge_uport(struct device *match, void *arg) > -{ > - struct cxl_port *root_port = arg; > - struct device *host = root_port->dev.parent; > - struct acpi_device *hb = to_cxl_host_bridge(host, match); > - struct acpi_pci_root *pci_root; > - struct cxl_dport *dport; > - struct cxl_port *port; > - struct device *bridge; > - int rc; > - > - if (!hb) > - return 0; > - > - pci_root = acpi_pci_find_root(hb->handle); > - bridge = pci_root->bus->bridge; > - dport = cxl_find_dport_by_dev(root_port, bridge); > - if (!dport) { > - dev_dbg(host, "host bridge expected and not found\n"); > - return 0; > - } > - > - if (dport->rch) { > - dev_info(bridge, "host supports CXL (restricted)\n"); > - return 0; > - } > - > - rc = devm_cxl_register_pci_bus(host, bridge, pci_root->bus); > - if (rc) > - return rc; > - > - port = devm_cxl_add_port(host, bridge, dport->component_reg_phys, > - dport); > - if (IS_ERR(port)) > - return PTR_ERR(port); > - > - dev_info(bridge, "host supports CXL\n"); > - > - return 0; > -} > - > /* Note, @dev is used by mock_acpi_table_parse_cedt() */ > struct cxl_chbs_context { > struct device *dev; > @@ -467,6 +422,51 @@ static int add_host_bridge_dport(struct device *match, void *arg) > return 0; > } > > +/* > + * A host bridge is a dport to a CFMWS decode and it is a uport to the > + * dport (PCIe Root Ports) in the host bridge. > + */ > +static int add_host_bridge_uport(struct device *match, void *arg) > +{ > + struct cxl_port *root_port = arg; > + struct device *host = root_port->dev.parent; > + struct acpi_device *hb = to_cxl_host_bridge(host, match); > + struct acpi_pci_root *pci_root; > + struct cxl_dport *dport; > + struct cxl_port *port; > + struct device *bridge; > + int rc; > + > + if (!hb) > + return 0; > + > + pci_root = acpi_pci_find_root(hb->handle); > + bridge = pci_root->bus->bridge; > + dport = cxl_find_dport_by_dev(root_port, bridge); > + if (!dport) { > + dev_dbg(host, "host bridge expected and not found\n"); > + return 0; > + } > + > + if (dport->rch) { > + dev_info(bridge, "host supports CXL (restricted)\n"); > + return 0; > + } > + > + rc = devm_cxl_register_pci_bus(host, bridge, pci_root->bus); > + if (rc) > + return rc; > + > + port = devm_cxl_add_port(host, bridge, dport->component_reg_phys, > + dport); > + if (IS_ERR(port)) > + return PTR_ERR(port); > + > + dev_info(bridge, "host supports CXL\n"); > + > + return 0; > +} > + > static int add_root_nvdimm_bridge(struct device *match, void *data) > { > struct cxl_decoder *cxld;
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c index 70cd9ac73a8b..0c975ee684b0 100644 --- a/drivers/cxl/acpi.c +++ b/drivers/cxl/acpi.c @@ -327,51 +327,6 @@ __mock struct acpi_device *to_cxl_host_bridge(struct device *host, return NULL; } -/* - * A host bridge is a dport to a CFMWS decode and it is a uport to the - * dport (PCIe Root Ports) in the host bridge. - */ -static int add_host_bridge_uport(struct device *match, void *arg) -{ - struct cxl_port *root_port = arg; - struct device *host = root_port->dev.parent; - struct acpi_device *hb = to_cxl_host_bridge(host, match); - struct acpi_pci_root *pci_root; - struct cxl_dport *dport; - struct cxl_port *port; - struct device *bridge; - int rc; - - if (!hb) - return 0; - - pci_root = acpi_pci_find_root(hb->handle); - bridge = pci_root->bus->bridge; - dport = cxl_find_dport_by_dev(root_port, bridge); - if (!dport) { - dev_dbg(host, "host bridge expected and not found\n"); - return 0; - } - - if (dport->rch) { - dev_info(bridge, "host supports CXL (restricted)\n"); - return 0; - } - - rc = devm_cxl_register_pci_bus(host, bridge, pci_root->bus); - if (rc) - return rc; - - port = devm_cxl_add_port(host, bridge, dport->component_reg_phys, - dport); - if (IS_ERR(port)) - return PTR_ERR(port); - - dev_info(bridge, "host supports CXL\n"); - - return 0; -} - /* Note, @dev is used by mock_acpi_table_parse_cedt() */ struct cxl_chbs_context { struct device *dev; @@ -467,6 +422,51 @@ static int add_host_bridge_dport(struct device *match, void *arg) return 0; } +/* + * A host bridge is a dport to a CFMWS decode and it is a uport to the + * dport (PCIe Root Ports) in the host bridge. + */ +static int add_host_bridge_uport(struct device *match, void *arg) +{ + struct cxl_port *root_port = arg; + struct device *host = root_port->dev.parent; + struct acpi_device *hb = to_cxl_host_bridge(host, match); + struct acpi_pci_root *pci_root; + struct cxl_dport *dport; + struct cxl_port *port; + struct device *bridge; + int rc; + + if (!hb) + return 0; + + pci_root = acpi_pci_find_root(hb->handle); + bridge = pci_root->bus->bridge; + dport = cxl_find_dport_by_dev(root_port, bridge); + if (!dport) { + dev_dbg(host, "host bridge expected and not found\n"); + return 0; + } + + if (dport->rch) { + dev_info(bridge, "host supports CXL (restricted)\n"); + return 0; + } + + rc = devm_cxl_register_pci_bus(host, bridge, pci_root->bus); + if (rc) + return rc; + + port = devm_cxl_add_port(host, bridge, dport->component_reg_phys, + dport); + if (IS_ERR(port)) + return PTR_ERR(port); + + dev_info(bridge, "host supports CXL\n"); + + return 0; +} + static int add_root_nvdimm_bridge(struct device *match, void *data) { struct cxl_decoder *cxld;