diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/aclocal.h | 1 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsaccess.c | 7 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nssearch.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/property.c | 209 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 11 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 10 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fwnode.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_enet.c | 8 |
10 files changed, 122 insertions, 139 deletions
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 51c386bf230d..c5367bf5487f 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -165,7 +165,6 @@ struct acpi_namespace_node { #define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */ #define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */ -#define IMPLICIT_EXTERNAL 0x02 /* iASL only: This object created implicitly via External */ #define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */ #define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */ #define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */ diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 220a718fbce9..83a593e2155d 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -613,13 +613,6 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* Special handling for the last segment (num_segments == 0) */ else { -#ifdef ACPI_ASL_COMPILER - if (!acpi_gbl_disasm_flag - && (this_node->flags & ANOBJ_IS_EXTERNAL)) { - this_node->flags &= ~IMPLICIT_EXTERNAL; - } -#endif - /* * Sanity typecheck of the target object: * diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index e9c9a63bb6a4..f594ab75a5fe 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -381,7 +381,6 @@ acpi_ns_search_and_enter(u32 target_name, if (flags & ACPI_NS_EXTERNAL || (walk_state && walk_state->opcode == AML_SCOPE_OP)) { new_node->flags |= ANOBJ_IS_EXTERNAL; - new_node->flags |= IMPLICIT_EXTERNAL; } #endif diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 5815356ea6ad..693cf05b0cc4 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -542,6 +542,23 @@ static int acpi_data_get_property_array(const struct acpi_device_data *data, return 0; } +static struct fwnode_handle * +acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode, + const char *childname) +{ + struct fwnode_handle *child; + + /* + * Find first matching named child node of this fwnode. + * For ACPI this will be a data only sub-node. + */ + fwnode_for_each_child_node(fwnode, child) + if (acpi_data_node_match(child, childname)) + return child; + + return NULL; +} + /** * __acpi_node_get_property_reference - returns handle to the referenced object * @fwnode: Firmware node to get the property from @@ -579,7 +596,7 @@ static int acpi_data_get_property_array(const struct acpi_device_data *data, */ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, const char *propname, size_t index, size_t num_args, - struct acpi_reference_args *args) + struct fwnode_reference_args *args) { const union acpi_object *element, *end; const union acpi_object *obj; @@ -607,7 +624,7 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, if (ret) return ret == -ENODEV ? -EINVAL : ret; - args->adev = device; + args->fwnode = acpi_fwnode_handle(device); args->nargs = 0; return 0; } @@ -633,6 +650,8 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, u32 nargs, i; if (element->type == ACPI_TYPE_LOCAL_REFERENCE) { + struct fwnode_handle *ref_fwnode; + ret = acpi_bus_get_device(element->reference.handle, &device); if (ret) @@ -641,6 +660,19 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, nargs = 0; element++; + /* + * Find the referred data extension node under the + * referred device node. + */ + for (ref_fwnode = acpi_fwnode_handle(device); + element < end && element->type == ACPI_TYPE_STRING; + element++) { + ref_fwnode = acpi_fwnode_get_named_child_node( + ref_fwnode, element->string.pointer); + if (!ref_fwnode) + return -EINVAL; + } + /* assume following integer elements are all args */ for (i = 0; element + i < end && i < num_args; i++) { int type = element[i].type; @@ -653,11 +685,11 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, return -EINVAL; } - if (nargs > MAX_ACPI_REFERENCE_ARGS) + if (nargs > NR_FWNODE_REFERENCE_ARGS) return -EINVAL; if (idx == index) { - args->adev = device; + args->fwnode = ref_fwnode; args->nargs = nargs; for (i = 0; i < nargs; i++) args->args[i] = element[i].integer.value; @@ -995,16 +1027,36 @@ struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode) return NULL; } +/* + * Return true if the node is an ACPI graph node. Called on either ports + * or endpoints. + */ +static bool is_acpi_graph_node(struct fwnode_handle *fwnode, + const char *str) +{ + unsigned int len = strlen(str); + const char *name; + + if (!len || !is_acpi_data_node(fwnode)) + return false; + + name = to_acpi_data_node(fwnode)->name; + + return (fwnode_property_present(fwnode, "reg") && + !strncmp(name, str, len) && name[len] == '@') || + fwnode_property_present(fwnode, str); +} + /** * acpi_graph_get_next_endpoint - Get next endpoint ACPI firmware node * @fwnode: Pointer to the parent firmware node * @prev: Previous endpoint node or %NULL to get the first * * Looks up next endpoint ACPI firmware node below a given @fwnode. Returns - * %NULL if there is no next endpoint, ERR_PTR() in case of error. In case - * of success the next endpoint is returned. + * %NULL if there is no next endpoint or in case of error. In case of success + * the next endpoint is returned. */ -struct fwnode_handle *acpi_graph_get_next_endpoint( +static struct fwnode_handle *acpi_graph_get_next_endpoint( const struct fwnode_handle *fwnode, struct fwnode_handle *prev) { struct fwnode_handle *port = NULL; @@ -1013,8 +1065,14 @@ struct fwnode_handle *acpi_graph_get_next_endpoint( if (!prev) { do { port = fwnode_get_next_child_node(fwnode, port); - /* Ports must have port property */ - if (fwnode_property_present(port, "port")) + /* + * The names of the port nodes begin with "port@" + * followed by the number of the port node and they also + * have a "reg" property that also has the number of the + * port node. For compatibility reasons a node is also + * recognised as a port node from the "port" property. + */ + if (is_acpi_graph_node(port, "port")) break; } while (port); } else { @@ -1029,15 +1087,19 @@ struct fwnode_handle *acpi_graph_get_next_endpoint( port = fwnode_get_next_child_node(fwnode, port); if (!port) break; - if (fwnode_property_present(port, "port")) + if (is_acpi_graph_node(port, "port")) endpoint = fwnode_get_next_child_node(port, NULL); } - if (endpoint) { - /* Endpoints must have "endpoint" property */ - if (!fwnode_property_present(endpoint, "endpoint")) - return ERR_PTR(-EPROTO); - } + /* + * The names of the endpoint nodes begin with "endpoint@" followed by + * the number of the endpoint node and they also have a "reg" property + * that also has the number of the endpoint node. For compatibility + * reasons a node is also recognised as an endpoint node from the + * "endpoint" property. + */ + if (!is_acpi_graph_node(endpoint, "endpoint")) + return NULL; return endpoint; } @@ -1074,65 +1136,42 @@ static struct fwnode_handle *acpi_graph_get_child_prop_value( /** * acpi_graph_get_remote_enpoint - Parses and returns remote end of an endpoint * @fwnode: Endpoint firmware node pointing to a remote device - * @parent: Firmware node of remote port parent is filled here if not %NULL - * @port: Firmware node of remote port is filled here if not %NULL * @endpoint: Firmware node of remote endpoint is filled here if not %NULL * - * Function parses remote end of ACPI firmware remote endpoint and fills in - * fields requested by the caller. Returns %0 in case of success and - * negative errno otherwise. + * Returns the remote endpoint corresponding to @__fwnode. NULL on error. */ -int acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode, - struct fwnode_handle **parent, - struct fwnode_handle **port, - struct fwnode_handle **endpoint) +static struct fwnode_handle * +acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode) { struct fwnode_handle *fwnode; unsigned int port_nr, endpoint_nr; - struct acpi_reference_args args; + struct fwnode_reference_args args; int ret; memset(&args, 0, sizeof(args)); ret = acpi_node_get_property_reference(__fwnode, "remote-endpoint", 0, &args); if (ret) - return ret; + return NULL; + + /* Direct endpoint reference? */ + if (!is_acpi_device_node(args.fwnode)) + return args.nargs ? NULL : args.fwnode; /* * Always require two arguments with the reference: port and * endpoint indices. */ if (args.nargs != 2) - return -EPROTO; + return NULL; - fwnode = acpi_fwnode_handle(args.adev); + fwnode = args.fwnode; port_nr = args.args[0]; endpoint_nr = args.args[1]; - if (parent) - *parent = fwnode; - - if (!port && !endpoint) - return 0; - fwnode = acpi_graph_get_child_prop_value(fwnode, "port", port_nr); - if (!fwnode) - return -EPROTO; - - if (port) - *port = fwnode; - - if (!endpoint) - return 0; - fwnode = acpi_graph_get_child_prop_value(fwnode, "endpoint", - endpoint_nr); - if (!fwnode) - return -EPROTO; - - *endpoint = fwnode; - - return 0; + return acpi_graph_get_child_prop_value(fwnode, "endpoint", endpoint_nr); } static bool acpi_fwnode_device_is_available(const struct fwnode_handle *fwnode) @@ -1186,70 +1225,14 @@ acpi_fwnode_property_read_string_array(const struct fwnode_handle *fwnode, val, nval); } -static struct fwnode_handle * -acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode, - const char *childname) -{ - struct fwnode_handle *child; - - /* - * Find first matching named child node of this fwnode. - * For ACPI this will be a data only sub-node. - */ - fwnode_for_each_child_node(fwnode, child) - if (acpi_data_node_match(child, childname)) - return child; - - return NULL; -} - static int acpi_fwnode_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, unsigned int args_count, unsigned int index, struct fwnode_reference_args *args) { - struct acpi_reference_args acpi_args; - unsigned int i; - int ret; - - ret = __acpi_node_get_property_reference(fwnode, prop, index, - args_count, &acpi_args); - if (ret < 0) - return ret; - if (!args) - return 0; - - args->nargs = acpi_args.nargs; - args->fwnode = acpi_fwnode_handle(acpi_args.adev); - - for (i = 0; i < NR_FWNODE_REFERENCE_ARGS; i++) - args->args[i] = i < acpi_args.nargs ? acpi_args.args[i] : 0; - - return 0; -} - -static struct fwnode_handle * -acpi_fwnode_graph_get_next_endpoint(const struct fwnode_handle *fwnode, - struct fwnode_handle *prev) -{ - struct fwnode_handle *endpoint; - - endpoint = acpi_graph_get_next_endpoint(fwnode, prev); - if (IS_ERR(endpoint)) - return NULL; - - return endpoint; -} - -static struct fwnode_handle * -acpi_fwnode_graph_get_remote_endpoint(const struct fwnode_handle *fwnode) -{ - struct fwnode_handle *endpoint = NULL; - - acpi_graph_get_remote_endpoint(fwnode, NULL, NULL, &endpoint); - - return endpoint; + return __acpi_node_get_property_reference(fwnode, prop, index, + args_count, args); } static struct fwnode_handle * @@ -1265,8 +1248,10 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, endpoint->local_fwnode = fwnode; - fwnode_property_read_u32(port_fwnode, "port", &endpoint->port); - fwnode_property_read_u32(fwnode, "endpoint", &endpoint->id); + if (fwnode_property_read_u32(port_fwnode, "reg", &endpoint->port)) + fwnode_property_read_u32(port_fwnode, "port", &endpoint->port); + if (fwnode_property_read_u32(fwnode, "reg", &endpoint->id)) + fwnode_property_read_u32(fwnode, "endpoint", &endpoint->id); return 0; } @@ -1292,9 +1277,9 @@ acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, .get_named_child_node = acpi_fwnode_get_named_child_node, \ .get_reference_args = acpi_fwnode_get_reference_args, \ .graph_get_next_endpoint = \ - acpi_fwnode_graph_get_next_endpoint, \ + acpi_graph_get_next_endpoint, \ .graph_get_remote_endpoint = \ - acpi_fwnode_graph_get_remote_endpoint, \ + acpi_graph_get_remote_endpoint, \ .graph_get_port_parent = acpi_fwnode_get_parent, \ .graph_parse_endpoint = acpi_fwnode_graph_parse_endpoint, \ }; \ diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index e2232cbcec8b..4e8fdae1cde4 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -353,7 +353,7 @@ EXPORT_SYMBOL_GPL(devm_acpi_dev_remove_driver_gpios); static bool acpi_get_driver_gpio_data(struct acpi_device *adev, const char *name, int index, - struct acpi_reference_args *args, + struct fwnode_reference_args *args, unsigned int *quirks) { const struct acpi_gpio_mapping *gm; @@ -365,7 +365,7 @@ static bool acpi_get_driver_gpio_data(struct acpi_device *adev, if (!strcmp(name, gm->name) && gm->data && index < gm->size) { const struct acpi_gpio_params *par = gm->data + index; - args->adev = adev; + args->fwnode = acpi_fwnode_handle(adev); args->args[0] = par->crs_entry_index; args->args[1] = par->line_index; args->args[2] = par->active_low; @@ -528,7 +528,7 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode, const char *propname, int index, struct acpi_gpio_lookup *lookup) { - struct acpi_reference_args args; + struct fwnode_reference_args args; unsigned int quirks = 0; int ret; @@ -549,6 +549,8 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode, * The property was found and resolved, so need to lookup the GPIO based * on returned args. */ + if (!to_acpi_device_node(args.fwnode)) + return -EINVAL; if (args.nargs != 3) return -EPROTO; @@ -556,8 +558,9 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode, lookup->pin_index = args.args[1]; lookup->active_low = !!args.args[2]; - lookup->info.adev = args.adev; + lookup->info.adev = to_acpi_device_node(args.fwnode); lookup->info.quirks = quirks; + return 0; } diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 8013d69c5ac4..8444234ed092 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -1435,7 +1435,7 @@ static int hns_roce_v1_reset(struct hns_roce_dev *hr_dev, bool dereset) } fwnode = &dsaf_node->fwnode; } else if (is_acpi_device_node(dev->fwnode)) { - struct acpi_reference_args args; + struct fwnode_reference_args args; ret = acpi_node_get_property_reference(dev->fwnode, "dsaf-handle", 0, &args); @@ -1443,7 +1443,7 @@ static int hns_roce_v1_reset(struct hns_roce_dev *hr_dev, bool dereset) dev_err(dev, "could not find dsaf-handle\n"); return ret; } - fwnode = acpi_fwnode_handle(args.adev); + fwnode = args.fwnode; } else { dev_err(dev, "cannot read data from DT or ACPI\n"); return -ENXIO; @@ -4835,16 +4835,14 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev) continue; pdev = of_find_device_by_node(net_node); } else if (is_acpi_device_node(dev->fwnode)) { - struct acpi_reference_args args; - struct fwnode_handle *fwnode; + struct fwnode_reference_args args; ret = acpi_node_get_property_reference(dev->fwnode, "eth-handle", i, &args); if (ret) continue; - fwnode = acpi_fwnode_handle(args.adev); - pdev = hns_roce_find_pdev(fwnode); + pdev = hns_roce_find_pdev(args.fwnode); } else { dev_err(dev, "cannot read data from DT or ACPI\n"); return -ENXIO; diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 3f77aa318035..82595cebc0b8 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -739,7 +739,7 @@ static struct fwnode_handle *v4l2_fwnode_reference_get_int_prop( const char * const *props, unsigned int nprops) { struct fwnode_reference_args fwnode_args; - unsigned int *args = fwnode_args.args; + u64 *args = fwnode_args.args; struct fwnode_handle *child; int ret; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 3188f553da35..078a04dc1182 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -836,19 +836,19 @@ static void xgene_enet_adjust_link(struct net_device *ndev) #ifdef CONFIG_ACPI static struct acpi_device *acpi_phy_find_device(struct device *dev) { - struct acpi_reference_args args; + struct fwnode_reference_args args; struct fwnode_handle *fw_node; int status; fw_node = acpi_fwnode_handle(ACPI_COMPANION(dev)); status = acpi_node_get_property_reference(fw_node, "phy-handle", 0, &args); - if (ACPI_FAILURE(status)) { + if (ACPI_FAILURE(status) || !is_acpi_device_node(args.fwnode)) { dev_dbg(dev, "No matching phy in ACPI table\n"); return NULL; } - return args.adev; + return to_acpi_device_node(args.fwnode); } #endif diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 9dcc5765f11f..794516718d9d 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -708,7 +708,7 @@ hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb, static int hns_mac_register_phy(struct hns_mac_cb *mac_cb) { - struct acpi_reference_args args; + struct fwnode_reference_args args; struct platform_device *pdev; struct mii_bus *mii_bus; int rc; @@ -722,13 +722,15 @@ static int hns_mac_register_phy(struct hns_mac_cb *mac_cb) mac_cb->fw_port, "mdio-node", 0, &args); if (rc) return rc; + if (!is_acpi_device_node(args.fwnode)) + return -EINVAL; addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port); if (addr < 0) return addr; /* dev address in adev */ - pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev)); + pdev = hns_dsaf_find_platform_device(args.fwnode); if (!pdev) { dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n", mac_cb->mac_id); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index ef9ef703d13a..5608f807d7ba 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -2377,7 +2377,7 @@ static int hns_nic_dev_probe(struct platform_device *pdev) } priv->fwnode = &ae_node->fwnode; } else if (is_acpi_node(dev->fwnode)) { - struct acpi_reference_args args; + struct fwnode_reference_args args; if (acpi_dev_found(hns_enet_acpi_match[0].id)) priv->enet_ver = AE_VERSION_1; @@ -2393,7 +2393,11 @@ static int hns_nic_dev_probe(struct platform_device *pdev) dev_err(dev, "not find ae-handle\n"); goto out_read_prop_fail; } - priv->fwnode = acpi_fwnode_handle(args.adev); + if (!is_acpi_device_node(args.fwnode)) { + ret = -EINVAL; + goto out_read_prop_fail; + } + priv->fwnode = args.fwnode; } else { dev_err(dev, "cannot read cfg data from OF or acpi\n"); return -ENXIO; |