diff options
author | Robert Richter <rrichter@amd.com> | 2023-06-22 23:55:04 +0300 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2023-06-25 21:41:34 +0300 |
commit | f44c7b7ad9b8def769ba709e369fe92906250c02 (patch) | |
tree | da225997d9398c20d740263a5659289a04a23d36 /drivers/cxl | |
parent | d076bb8c4cee23fa1ddeae36f72a4695529c9198 (diff) | |
download | linux-f44c7b7ad9b8def769ba709e369fe92906250c02.tar.xz |
cxl/acpi: Move add_host_bridge_uport() after cxl_get_chbs()
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>
Link: https://lore.kernel.org/r/20230622205523.85375-9-terry.bowman@amd.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl')
-rw-r--r-- | drivers/cxl/acpi.c | 90 |
1 files 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; |