diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-28 12:27:35 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-28 12:27:35 -0700 |
commit | 02e2af20f4f9f2aa0c84e9a30a35c02f0fbb7daa (patch) | |
tree | d126449a7d2ea2270627183f7cebd726fbe56a9d /drivers/firmware | |
parent | ff61bc81b3feebcef4d0431a92e2e40e8d4fe8b3 (diff) | |
parent | 37fd83916da2e4cae03d350015c82a67b1b334c4 (diff) |
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
firmware: google: Properly state IOMEM dependency
kgdbts: fix return value of __setup handler
firmware: sysfb: fix platform-device leak in error path
firmware: stratix10-svc: add missing callback parameter on RSU
arm64: dts: qcom: add non-secure domain property to fastrpc nodes
misc: fastrpc: Add dma handle implementation
misc: fastrpc: Add fdlist implementation
misc: fastrpc: Add helper function to get list and page
misc: fastrpc: Add support to secure memory map
dt-bindings: misc: add fastrpc domain vmid property
misc: fastrpc: check before loading process to the DSP
misc: fastrpc: add secure domain support
dt-bindings: misc: add property to support non-secure DSP
misc: fastrpc: Add support to get DSP capabilities
misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
misc: fastrpc: separate fastrpc device from channel context
dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
dt-bindings: nvmem: make "reg" property optional
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
nvmem: dt-bindings: Fix the error of dt-bindings check
...
Diffstat (limited to 'drivers/firmware')
-rw-r--r-- | drivers/firmware/google/Kconfig | 2 | ||||
-rw-r--r-- | drivers/firmware/stratix10-svc.c | 11 | ||||
-rw-r--r-- | drivers/firmware/sysfb_simplefb.c | 23 | ||||
-rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 120 |
4 files changed, 144 insertions, 12 deletions
diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig index 931544c9f63d..983e07dc022e 100644 --- a/drivers/firmware/google/Kconfig +++ b/drivers/firmware/google/Kconfig @@ -21,7 +21,7 @@ config GOOGLE_SMI config GOOGLE_COREBOOT_TABLE tristate "Coreboot Table Access" - depends on ACPI || OF + depends on HAS_IOMEM && (ACPI || OF) help This option enables the coreboot_table module, which provides other firmware modules access to the coreboot table. The coreboot table diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 29c0a616b317..8177a0fae11d 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -306,6 +306,7 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data, break; case COMMAND_RSU_RETRY: case COMMAND_RSU_MAX_RETRY: + case COMMAND_FIRMWARE_VERSION: cb_data->status = BIT(SVC_STATUS_OK); cb_data->kaddr1 = &res.a1; break; @@ -422,6 +423,11 @@ static int svc_normal_to_secure_thread(void *data) a1 = 0; a2 = 0; break; + case COMMAND_FIRMWARE_VERSION: + a0 = INTEL_SIP_SMC_FIRMWARE_VERSION; + a1 = 0; + a2 = 0; + break; default: pr_warn("it shouldn't happen\n"); break; @@ -477,7 +483,7 @@ static int svc_normal_to_secure_thread(void *data) case INTEL_SIP_SMC_RSU_ERROR: pr_err("%s: STATUS_ERROR\n", __func__); cbdata->status = BIT(SVC_STATUS_ERROR); - cbdata->kaddr1 = NULL; + cbdata->kaddr1 = &res.a1; cbdata->kaddr2 = NULL; cbdata->kaddr3 = NULL; pdata->chan->scl->receive_cb(pdata->chan->scl, cbdata); @@ -491,7 +497,8 @@ static int svc_normal_to_secure_thread(void *data) */ if ((pdata->command == COMMAND_RSU_RETRY) || (pdata->command == COMMAND_RSU_MAX_RETRY) || - (pdata->command == COMMAND_RSU_NOTIFY)) { + (pdata->command == COMMAND_RSU_NOTIFY) || + (pdata->command == COMMAND_FIRMWARE_VERSION)) { cbdata->status = BIT(SVC_STATUS_NO_SUPPORT); cbdata->kaddr1 = NULL; diff --git a/drivers/firmware/sysfb_simplefb.c b/drivers/firmware/sysfb_simplefb.c index 76c4abc42a30..bda8712bfd8c 100644 --- a/drivers/firmware/sysfb_simplefb.c +++ b/drivers/firmware/sysfb_simplefb.c @@ -113,16 +113,21 @@ __init int sysfb_create_simplefb(const struct screen_info *si, sysfb_apply_efi_quirks(pd); ret = platform_device_add_resources(pd, &res, 1); - if (ret) { - platform_device_put(pd); - return ret; - } + if (ret) + goto err_put_device; ret = platform_device_add_data(pd, mode, sizeof(*mode)); - if (ret) { - platform_device_put(pd); - return ret; - } + if (ret) + goto err_put_device; + + ret = platform_device_add(pd); + if (ret) + goto err_put_device; + + return 0; + +err_put_device: + platform_device_put(pd); - return platform_device_add(pd); + return ret; } diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 5e5b0bb2e4e0..f21ece56695e 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -42,6 +42,16 @@ static DEFINE_HASHTABLE(pm_api_features_map, PM_API_FEATURE_CHECK_MAX_ORDER); static struct platform_device *em_dev; /** + * struct zynqmp_devinfo - Structure for Zynqmp device instance + * @dev: Device Pointer + * @feature_conf_id: Feature conf id + */ +struct zynqmp_devinfo { + struct device *dev; + u32 feature_conf_id; +}; + +/** * struct pm_api_feature_data - PM API Feature data * @pm_api_id: PM API Id, used as key to index into hashmap * @feature_status: status of PM API feature: valid, invalid @@ -1183,6 +1193,33 @@ int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) } /** + * zynqmp_pm_set_feature_config - PM call to request IOCTL for feature config + * @id: The config ID of the feature to be configured + * @value: The config value of the feature to be configured + * + * Return: Returns 0 on success or error value on failure. + */ +int zynqmp_pm_set_feature_config(enum pm_feature_config_id id, u32 value) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_SET_FEATURE_CONFIG, + id, value, NULL); +} + +/** + * zynqmp_pm_get_feature_config - PM call to get value of configured feature + * @id: The config id of the feature to be queried + * @payload: Returned value array + * + * Return: Returns 0 on success or error value on failure. + */ +int zynqmp_pm_get_feature_config(enum pm_feature_config_id id, + u32 *payload) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, 0, IOCTL_GET_FEATURE_CONFIG, + id, 0, payload); +} + +/** * struct zynqmp_pm_shutdown_scope - Struct for shutdown scope * @subtype: Shutdown subtype * @name: Matching string for scope argument @@ -1450,6 +1487,78 @@ static DEVICE_ATTR_RW(pggs1); static DEVICE_ATTR_RW(pggs2); static DEVICE_ATTR_RW(pggs3); +static ssize_t feature_config_id_show(struct device *device, + struct device_attribute *attr, + char *buf) +{ + struct zynqmp_devinfo *devinfo = dev_get_drvdata(device); + + return sysfs_emit(buf, "%d\n", devinfo->feature_conf_id); +} + +static ssize_t feature_config_id_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + u32 config_id; + int ret; + struct zynqmp_devinfo *devinfo = dev_get_drvdata(device); + + if (!buf) + return -EINVAL; + + ret = kstrtou32(buf, 10, &config_id); + if (ret) + return ret; + + devinfo->feature_conf_id = config_id; + + return count; +} + +static DEVICE_ATTR_RW(feature_config_id); + +static ssize_t feature_config_value_show(struct device *device, + struct device_attribute *attr, + char *buf) +{ + int ret; + u32 ret_payload[PAYLOAD_ARG_CNT]; + struct zynqmp_devinfo *devinfo = dev_get_drvdata(device); + + ret = zynqmp_pm_get_feature_config(devinfo->feature_conf_id, + ret_payload); + if (ret) + return ret; + + return sysfs_emit(buf, "%d\n", ret_payload[1]); +} + +static ssize_t feature_config_value_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + u32 value; + int ret; + struct zynqmp_devinfo *devinfo = dev_get_drvdata(device); + + if (!buf) + return -EINVAL; + + ret = kstrtou32(buf, 10, &value); + if (ret) + return ret; + + ret = zynqmp_pm_set_feature_config(devinfo->feature_conf_id, + value); + if (ret) + return ret; + + return count; +} + +static DEVICE_ATTR_RW(feature_config_value); + static struct attribute *zynqmp_firmware_attrs[] = { &dev_attr_ggs0.attr, &dev_attr_ggs1.attr, @@ -1461,6 +1570,8 @@ static struct attribute *zynqmp_firmware_attrs[] = { &dev_attr_pggs3.attr, &dev_attr_shutdown_scope.attr, &dev_attr_health_status.attr, + &dev_attr_feature_config_id.attr, + &dev_attr_feature_config_value.attr, NULL, }; @@ -1470,6 +1581,7 @@ static int zynqmp_firmware_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np; + struct zynqmp_devinfo *devinfo; int ret; np = of_find_compatible_node(NULL, NULL, "xlnx,zynqmp"); @@ -1486,6 +1598,14 @@ static int zynqmp_firmware_probe(struct platform_device *pdev) if (ret) return ret; + devinfo = devm_kzalloc(dev, sizeof(*devinfo), GFP_KERNEL); + if (!devinfo) + return -ENOMEM; + + devinfo->dev = dev; + + platform_set_drvdata(pdev, devinfo); + /* Check PM API version number */ ret = zynqmp_pm_get_api_version(&pm_api_version); if (ret) |