diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_scmi/clock.c | 6 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/optee.c | 1 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/reset.c | 10 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/scmi_pm_domain.c | 46 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/sensors.c | 25 | ||||
| -rw-r--r-- | drivers/firmware/efi/capsule-loader.c | 31 | ||||
| -rw-r--r-- | drivers/firmware/efi/dev-path-parser.c | 10 | ||||
| -rw-r--r-- | drivers/firmware/efi/efibc.c | 3 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/Makefile | 9 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/secureboot.c | 8 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/x86-stub.c | 8 | ||||
| -rw-r--r-- | drivers/firmware/psci/psci.c | 12 | ||||
| -rw-r--r-- | drivers/firmware/sysfb.c | 4 | ||||
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 31 |
14 files changed, 131 insertions, 73 deletions
diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 3ed7ae0d6781..96060bf90a24 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -450,9 +450,13 @@ static int scmi_clock_count_get(const struct scmi_protocol_handle *ph) static const struct scmi_clock_info * scmi_clock_info_get(const struct scmi_protocol_handle *ph, u32 clk_id) { + struct scmi_clock_info *clk; struct clock_info *ci = ph->get_priv(ph); - struct scmi_clock_info *clk = ci->clk + clk_id; + if (clk_id >= ci->num_clocks) + return NULL; + + clk = ci->clk + clk_id; if (!clk->name[0]) return NULL; diff --git a/drivers/firmware/arm_scmi/optee.c b/drivers/firmware/arm_scmi/optee.c index 8abace56b958..f42dad997ac9 100644 --- a/drivers/firmware/arm_scmi/optee.c +++ b/drivers/firmware/arm_scmi/optee.c @@ -106,6 +106,7 @@ enum scmi_optee_pta_cmd { * @channel_id: OP-TEE channel ID used for this transport * @tee_session: TEE session identifier * @caps: OP-TEE SCMI channel capabilities + * @rx_len: Response size * @mu: Mutex protection on channel access * @cinfo: SCMI channel information * @shmem: Virtual base address of the shared memory diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index 673f3eb498f4..e9afa8cab730 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -166,9 +166,13 @@ static int scmi_domain_reset(const struct scmi_protocol_handle *ph, u32 domain, struct scmi_xfer *t; struct scmi_msg_reset_domain_reset *dom; struct scmi_reset_info *pi = ph->get_priv(ph); - struct reset_dom_info *rdom = pi->dom_info + domain; + struct reset_dom_info *rdom; - if (rdom->async_reset) + if (domain >= pi->num_domains) + return -EINVAL; + + rdom = pi->dom_info + domain; + if (rdom->async_reset && flags & AUTONOMOUS_RESET) flags |= ASYNCHRONOUS_RESET; ret = ph->xops->xfer_get_init(ph, RESET, sizeof(*dom), 0, &t); @@ -180,7 +184,7 @@ static int scmi_domain_reset(const struct scmi_protocol_handle *ph, u32 domain, dom->flags = cpu_to_le32(flags); dom->reset_state = cpu_to_le32(state); - if (rdom->async_reset) + if (flags & ASYNCHRONOUS_RESET) ret = ph->xops->do_xfer_with_response(ph, t); else ret = ph->xops->do_xfer(ph, t); diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c index 581d34c95769..0e05a79de82d 100644 --- a/drivers/firmware/arm_scmi/scmi_pm_domain.c +++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c @@ -8,7 +8,6 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/module.h> -#include <linux/pm_clock.h> #include <linux/pm_domain.h> #include <linux/scmi_protocol.h> @@ -53,27 +52,6 @@ static int scmi_pd_power_off(struct generic_pm_domain *domain) return scmi_pd_power(domain, false); } -static int scmi_pd_attach_dev(struct generic_pm_domain *pd, struct device *dev) -{ - int ret; - - ret = pm_clk_create(dev); - if (ret) - return ret; - - ret = of_pm_clk_add_clks(dev); - if (ret >= 0) - return 0; - - pm_clk_destroy(dev); - return ret; -} - -static void scmi_pd_detach_dev(struct generic_pm_domain *pd, struct device *dev) -{ - pm_clk_destroy(dev); -} - static int scmi_pm_domain_probe(struct scmi_device *sdev) { int num_domains, i; @@ -124,10 +102,6 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev) scmi_pd->genpd.name = scmi_pd->name; scmi_pd->genpd.power_off = scmi_pd_power_off; scmi_pd->genpd.power_on = scmi_pd_power_on; - scmi_pd->genpd.attach_dev = scmi_pd_attach_dev; - scmi_pd->genpd.detach_dev = scmi_pd_detach_dev; - scmi_pd->genpd.flags = GENPD_FLAG_PM_CLK | - GENPD_FLAG_ACTIVE_WAKEUP; pm_genpd_init(&scmi_pd->genpd, NULL, state == SCMI_POWER_STATE_GENERIC_OFF); @@ -138,9 +112,28 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev) scmi_pd_data->domains = domains; scmi_pd_data->num_domains = num_domains; + dev_set_drvdata(dev, scmi_pd_data); + return of_genpd_add_provider_onecell(np, scmi_pd_data); } +static void scmi_pm_domain_remove(struct scmi_device *sdev) +{ + int i; + struct genpd_onecell_data *scmi_pd_data; + struct device *dev = &sdev->dev; + struct device_node *np = dev->of_node; + + of_genpd_del_provider(np); + + scmi_pd_data = dev_get_drvdata(dev); + for (i = 0; i < scmi_pd_data->num_domains; i++) { + if (!scmi_pd_data->domains[i]) + continue; + pm_genpd_remove(scmi_pd_data->domains[i]); + } +} + static const struct scmi_device_id scmi_id_table[] = { { SCMI_PROTOCOL_POWER, "genpd" }, { }, @@ -150,6 +143,7 @@ MODULE_DEVICE_TABLE(scmi, scmi_id_table); static struct scmi_driver scmi_power_domain_driver = { .name = "scmi-power-domain", .probe = scmi_pm_domain_probe, + .remove = scmi_pm_domain_remove, .id_table = scmi_id_table, }; module_scmi_driver(scmi_power_domain_driver); diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 7288c6117838..0b5853fa9d87 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -762,6 +762,10 @@ static int scmi_sensor_config_get(const struct scmi_protocol_handle *ph, { int ret; struct scmi_xfer *t; + struct sensors_info *si = ph->get_priv(ph); + + if (sensor_id >= si->num_sensors) + return -EINVAL; ret = ph->xops->xfer_get_init(ph, SENSOR_CONFIG_GET, sizeof(__le32), sizeof(__le32), &t); @@ -771,7 +775,6 @@ static int scmi_sensor_config_get(const struct scmi_protocol_handle *ph, put_unaligned_le32(sensor_id, t->tx.buf); ret = ph->xops->do_xfer(ph, t); if (!ret) { - struct sensors_info *si = ph->get_priv(ph); struct scmi_sensor_info *s = si->sensors + sensor_id; *sensor_config = get_unaligned_le64(t->rx.buf); @@ -788,6 +791,10 @@ static int scmi_sensor_config_set(const struct scmi_protocol_handle *ph, int ret; struct scmi_xfer *t; struct scmi_msg_sensor_config_set *msg; + struct sensors_info *si = ph->get_priv(ph); + + if (sensor_id >= si->num_sensors) + return -EINVAL; ret = ph->xops->xfer_get_init(ph, SENSOR_CONFIG_SET, sizeof(*msg), 0, &t); @@ -800,7 +807,6 @@ static int scmi_sensor_config_set(const struct scmi_protocol_handle *ph, ret = ph->xops->do_xfer(ph, t); if (!ret) { - struct sensors_info *si = ph->get_priv(ph); struct scmi_sensor_info *s = si->sensors + sensor_id; s->sensor_config = sensor_config; @@ -831,8 +837,11 @@ static int scmi_sensor_reading_get(const struct scmi_protocol_handle *ph, int ret; struct scmi_xfer *t; struct scmi_msg_sensor_reading_get *sensor; + struct scmi_sensor_info *s; struct sensors_info *si = ph->get_priv(ph); - struct scmi_sensor_info *s = si->sensors + sensor_id; + + if (sensor_id >= si->num_sensors) + return -EINVAL; ret = ph->xops->xfer_get_init(ph, SENSOR_READING_GET, sizeof(*sensor), 0, &t); @@ -841,6 +850,7 @@ static int scmi_sensor_reading_get(const struct scmi_protocol_handle *ph, sensor = t->tx.buf; sensor->id = cpu_to_le32(sensor_id); + s = si->sensors + sensor_id; if (s->async) { sensor->flags = cpu_to_le32(SENSOR_READ_ASYNC); ret = ph->xops->do_xfer_with_response(ph, t); @@ -895,9 +905,13 @@ scmi_sensor_reading_get_timestamped(const struct scmi_protocol_handle *ph, int ret; struct scmi_xfer *t; struct scmi_msg_sensor_reading_get *sensor; + struct scmi_sensor_info *s; struct sensors_info *si = ph->get_priv(ph); - struct scmi_sensor_info *s = si->sensors + sensor_id; + if (sensor_id >= si->num_sensors) + return -EINVAL; + + s = si->sensors + sensor_id; if (!count || !readings || (!s->num_axis && count > 1) || (s->num_axis && count > s->num_axis)) return -EINVAL; @@ -948,6 +962,9 @@ scmi_sensor_info_get(const struct scmi_protocol_handle *ph, u32 sensor_id) { struct sensors_info *si = ph->get_priv(ph); + if (sensor_id >= si->num_sensors) + return NULL; + return si->sensors + sensor_id; } diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c index 4dde8edd53b6..3e8d4b51a814 100644 --- a/drivers/firmware/efi/capsule-loader.c +++ b/drivers/firmware/efi/capsule-loader.c @@ -243,29 +243,6 @@ failed: } /** - * efi_capsule_flush - called by file close or file flush - * @file: file pointer - * @id: not used - * - * If a capsule is being partially uploaded then calling this function - * will be treated as upload termination and will free those completed - * buffer pages and -ECANCELED will be returned. - **/ -static int efi_capsule_flush(struct file *file, fl_owner_t id) -{ - int ret = 0; - struct capsule_info *cap_info = file->private_data; - - if (cap_info->index > 0) { - pr_err("capsule upload not complete\n"); - efi_free_all_buff_pages(cap_info); - ret = -ECANCELED; - } - - return ret; -} - -/** * efi_capsule_release - called by file close * @inode: not used * @file: file pointer @@ -277,6 +254,13 @@ static int efi_capsule_release(struct inode *inode, struct file *file) { struct capsule_info *cap_info = file->private_data; + if (cap_info->index > 0 && + (cap_info->header.headersize == 0 || + cap_info->count < cap_info->total_size)) { + pr_err("capsule upload not complete\n"); + efi_free_all_buff_pages(cap_info); + } + kfree(cap_info->pages); kfree(cap_info->phys); kfree(file->private_data); @@ -324,7 +308,6 @@ static const struct file_operations efi_capsule_fops = { .owner = THIS_MODULE, .open = efi_capsule_open, .write = efi_capsule_write, - .flush = efi_capsule_flush, .release = efi_capsule_release, .llseek = no_llseek, }; diff --git a/drivers/firmware/efi/dev-path-parser.c b/drivers/firmware/efi/dev-path-parser.c index eb9c65f97841..f80d87c199c3 100644 --- a/drivers/firmware/efi/dev-path-parser.c +++ b/drivers/firmware/efi/dev-path-parser.c @@ -15,9 +15,11 @@ static long __init parse_acpi_path(const struct efi_dev_path *node, struct device *parent, struct device **child) { - char hid[ACPI_ID_LEN], uid[11]; /* UINT_MAX + null byte */ struct acpi_device *adev; struct device *phys_dev; + char hid[ACPI_ID_LEN]; + u64 uid; + int ret; if (node->header.length != 12) return -EINVAL; @@ -27,12 +29,12 @@ static long __init parse_acpi_path(const struct efi_dev_path *node, 'A' + ((node->acpi.hid >> 5) & 0x1f) - 1, 'A' + ((node->acpi.hid >> 0) & 0x1f) - 1, node->acpi.hid >> 16); - sprintf(uid, "%u", node->acpi.uid); for_each_acpi_dev_match(adev, hid, NULL, -1) { - if (adev->pnp.unique_id && !strcmp(adev->pnp.unique_id, uid)) + ret = acpi_dev_uid_to_integer(adev, &uid); + if (ret == 0 && node->acpi.uid == uid) break; - if (!adev->pnp.unique_id && node->acpi.uid == 0) + if (ret == -ENODATA && node->acpi.uid == 0) break; } if (!adev) diff --git a/drivers/firmware/efi/efibc.c b/drivers/firmware/efi/efibc.c index 8ced7af8e56d..4f9fb086eab7 100644 --- a/drivers/firmware/efi/efibc.c +++ b/drivers/firmware/efi/efibc.c @@ -48,6 +48,9 @@ static int efibc_reboot_notifier_call(struct notifier_block *notifier, return NOTIFY_DONE; wdata = kmalloc(MAX_DATA_LEN * sizeof(efi_char16_t), GFP_KERNEL); + if (!wdata) + return NOTIFY_DONE; + for (l = 0; l < MAX_DATA_LEN - 1 && str[l] != '\0'; l++) wdata[l] = str[l]; wdata[l] = L'\0'; diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index d0537573501e..b43fdb319fd4 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -37,8 +37,17 @@ KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \ $(call cc-option,-fno-addrsig) \ -D__DISABLE_EXPORTS +# +# struct randomization only makes sense for Linux internal types, which the EFI +# stub code never touches, so let's turn off struct randomization for the stub +# altogether +# +KBUILD_CFLAGS := $(filter-out $(RANDSTRUCT_CFLAGS), $(KBUILD_CFLAGS)) + # remove SCS flags from all objects in this directory KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) +# disable CFI +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_CFI), $(KBUILD_CFLAGS)) # disable LTO KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS)) diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c index 8a18930f3eb6..516f4f0069bd 100644 --- a/drivers/firmware/efi/libstub/secureboot.c +++ b/drivers/firmware/efi/libstub/secureboot.c @@ -14,7 +14,7 @@ /* SHIM variables */ static const efi_guid_t shim_guid = EFI_SHIM_LOCK_GUID; -static const efi_char16_t shim_MokSBState_name[] = L"MokSBState"; +static const efi_char16_t shim_MokSBState_name[] = L"MokSBStateRT"; static efi_status_t get_var(efi_char16_t *name, efi_guid_t *vendor, u32 *attr, unsigned long *data_size, void *data) @@ -43,8 +43,8 @@ enum efi_secureboot_mode efi_get_secureboot(void) /* * See if a user has put the shim into insecure mode. If so, and if the - * variable doesn't have the runtime attribute set, we might as well - * honor that. + * variable doesn't have the non-volatile attribute set, we might as + * well honor that. */ size = sizeof(moksbstate); status = get_efi_var(shim_MokSBState_name, &shim_guid, @@ -53,7 +53,7 @@ enum efi_secureboot_mode efi_get_secureboot(void) /* If it fails, we don't care why. Default to secure */ if (status != EFI_SUCCESS) goto secure_boot_enabled; - if (!(attr & EFI_VARIABLE_RUNTIME_ACCESS) && moksbstate == 1) + if (!(attr & EFI_VARIABLE_NON_VOLATILE) && moksbstate == 1) return efi_secureboot_mode_disabled; secure_boot_enabled: diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 05ae8bcc9d67..7a7abc8959d2 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -220,7 +220,6 @@ adjust_memory_range_protection(unsigned long start, unsigned long size) unsigned long end, next; unsigned long rounded_start, rounded_end; unsigned long unprotect_start, unprotect_size; - int has_system_memory = 0; if (efi_dxe_table == NULL) return; @@ -517,6 +516,13 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, hdr->ramdisk_image = 0; hdr->ramdisk_size = 0; + /* + * Disregard any setup data that was provided by the bootloader: + * setup_data could be pointing anywhere, and we have no way of + * authenticating or validating the payload. + */ + hdr->setup_data = 0; + efi_stub_entry(handle, sys_table_arg, boot_params); /* not reached */ diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 42cae0ba10e2..e7bcfca4159f 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -277,7 +277,7 @@ static void set_conduit(enum arm_smccc_conduit conduit) psci_conduit = conduit; } -static int get_set_conduit_method(struct device_node *np) +static int get_set_conduit_method(const struct device_node *np) { const char *method; @@ -450,7 +450,7 @@ late_initcall(psci_debugfs_init) static int psci_suspend_finisher(unsigned long state) { u32 power_state = state; - phys_addr_t pa_cpu_resume = __pa_symbol(function_nocfi(cpu_resume)); + phys_addr_t pa_cpu_resume = __pa_symbol(cpu_resume); return psci_ops.cpu_suspend(power_state, pa_cpu_resume); } @@ -475,7 +475,7 @@ int psci_cpu_suspend_enter(u32 state) static int psci_system_suspend(unsigned long unused) { - phys_addr_t pa_cpu_resume = __pa_symbol(function_nocfi(cpu_resume)); + phys_addr_t pa_cpu_resume = __pa_symbol(cpu_resume); return invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND), pa_cpu_resume, 0, 0); @@ -644,7 +644,7 @@ typedef int (*psci_initcall_t)(const struct device_node *); * * Probe based on PSCI PSCI_VERSION function */ -static int __init psci_0_2_init(struct device_node *np) +static int __init psci_0_2_init(const struct device_node *np) { int err; @@ -665,7 +665,7 @@ static int __init psci_0_2_init(struct device_node *np) /* * PSCI < v0.2 get PSCI Function IDs via DT. */ -static int __init psci_0_1_init(struct device_node *np) +static int __init psci_0_1_init(const struct device_node *np) { u32 id; int err; @@ -701,7 +701,7 @@ static int __init psci_0_1_init(struct device_node *np) return 0; } -static int __init psci_1_0_init(struct device_node *np) +static int __init psci_1_0_init(const struct device_node *np) { int err; diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c index 1f276f108cc9..3fd3563d962b 100644 --- a/drivers/firmware/sysfb.c +++ b/drivers/firmware/sysfb.c @@ -94,6 +94,10 @@ static __init int sysfb_init(void) name = "efi-framebuffer"; else if (si->orig_video_isVGA == VIDEO_TYPE_VLFB) name = "vesa-framebuffer"; + else if (si->orig_video_isVGA == VIDEO_TYPE_VGAC) + name = "vga-framebuffer"; + else if (si->orig_video_isVGA == VIDEO_TYPE_EGAC) + name = "ega-framebuffer"; else name = "platform-framebuffer"; diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index d1f652802181..ff5cabe70a2b 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -1312,6 +1312,37 @@ int zynqmp_pm_get_feature_config(enum pm_feature_config_id id, } /** + * zynqmp_pm_set_sd_config - PM call to set value of SD config registers + * @node: SD node ID + * @config: The config type of SD registers + * @value: Value to be set + * + * Return: Returns 0 on success or error value on failure. + */ +int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_SD_CONFIG, + config, value, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_config); + +/** + * zynqmp_pm_set_gem_config - PM call to set value of GEM config registers + * @node: GEM node ID + * @config: The config type of GEM registers + * @value: Value to be set + * + * Return: Returns 0 on success or error value on failure. + */ +int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config, + u32 value) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_GEM_CONFIG, + config, value, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_set_gem_config); + +/** * struct zynqmp_pm_shutdown_scope - Struct for shutdown scope * @subtype: Shutdown subtype * @name: Matching string for scope argument |