diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_scmi/bus.c | 7 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/common.h | 2 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/driver.c | 10 | ||||
| -rw-r--r-- | drivers/firmware/arm_sdei.c | 2 | ||||
| -rw-r--r-- | drivers/firmware/microchip/mpfs-auto-update.c | 42 | ||||
| -rw-r--r-- | drivers/firmware/qcom/qcom_scm.c | 17 | ||||
| -rw-r--r-- | drivers/firmware/smccc/smccc.c | 4 |
7 files changed, 36 insertions, 48 deletions
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 96b2e5f9a8ef..157172a5f2b5 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -325,7 +325,10 @@ EXPORT_SYMBOL_GPL(scmi_driver_unregister); static void scmi_device_release(struct device *dev) { - kfree(to_scmi_dev(dev)); + struct scmi_device *scmi_dev = to_scmi_dev(dev); + + kfree_const(scmi_dev->name); + kfree(scmi_dev); } static void __scmi_device_destroy(struct scmi_device *scmi_dev) @@ -338,7 +341,6 @@ static void __scmi_device_destroy(struct scmi_device *scmi_dev) if (scmi_dev->protocol_id == SCMI_PROTOCOL_SYSTEM) atomic_set(&scmi_syspower_registered, 0); - kfree_const(scmi_dev->name); ida_free(&scmi_bus_id, scmi_dev->id); device_unregister(&scmi_dev->dev); } @@ -410,7 +412,6 @@ __scmi_device_create(struct device_node *np, struct device *parent, return scmi_dev; put_dev: - kfree_const(scmi_dev->name); put_device(&scmi_dev->dev); ida_free(&scmi_bus_id, id); return NULL; diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index c4b8e7ff88aa..cdec50a698a1 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -163,6 +163,7 @@ void scmi_protocol_release(const struct scmi_handle *handle, u8 protocol_id); * used to initialize this channel * @dev: Reference to device in the SCMI hierarchy corresponding to this * channel + * @is_p2a: A flag to identify a channel as P2A (RX) * @rx_timeout_ms: The configured RX timeout in milliseconds. * @handle: Pointer to SCMI entity handle * @no_completion_irq: Flag to indicate that this channel has no completion @@ -174,6 +175,7 @@ void scmi_protocol_release(const struct scmi_handle *handle, u8 protocol_id); struct scmi_chan_info { int id; struct device *dev; + bool is_p2a; unsigned int rx_timeout_ms; struct scmi_handle *handle; bool no_completion_irq; diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index a477b5ade38d..f8934d049d68 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -1048,6 +1048,11 @@ static inline void scmi_xfer_command_release(struct scmi_info *info, static inline void scmi_clear_channel(struct scmi_info *info, struct scmi_chan_info *cinfo) { + if (!cinfo->is_p2a) { + dev_warn(cinfo->dev, "Invalid clear on A2P channel !\n"); + return; + } + if (info->desc->ops->clear_channel) info->desc->ops->clear_channel(cinfo); } @@ -2638,6 +2643,7 @@ static int scmi_chan_setup(struct scmi_info *info, struct device_node *of_node, if (!cinfo) return -ENOMEM; + cinfo->is_p2a = !tx; cinfo->rx_timeout_ms = info->desc->max_rx_timeout_ms; /* Create a unique name for this transport device */ @@ -3042,10 +3048,10 @@ static const struct scmi_desc *scmi_transport_setup(struct device *dev) dev_info(dev, "Using %s\n", dev_driver_string(trans->supplier)); - ret = of_property_read_u32(dev->of_node, "max-rx-timeout-ms", + ret = of_property_read_u32(dev->of_node, "arm,max-rx-timeout-ms", &trans->desc->max_rx_timeout_ms); if (ret && ret != -EINVAL) - dev_err(dev, "Malformed max-rx-timeout-ms DT property.\n"); + dev_err(dev, "Malformed arm,max-rx-timeout-ms DT property.\n"); dev_info(dev, "SCMI max-rx-timeout: %dms\n", trans->desc->max_rx_timeout_ms); diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index 285fe7ad490d..3e8051fe8296 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -763,7 +763,7 @@ static int sdei_device_freeze(struct device *dev) int err; /* unregister private events */ - cpuhp_remove_state(sdei_entry_point); + cpuhp_remove_state(sdei_hp_state); err = sdei_unregister_shared(); if (err) diff --git a/drivers/firmware/microchip/mpfs-auto-update.c b/drivers/firmware/microchip/mpfs-auto-update.c index 9ca5ee58edbd..0f7ec8848202 100644 --- a/drivers/firmware/microchip/mpfs-auto-update.c +++ b/drivers/firmware/microchip/mpfs-auto-update.c @@ -76,14 +76,11 @@ #define AUTO_UPDATE_INFO_SIZE SZ_1M #define AUTO_UPDATE_BITSTREAM_BASE (AUTO_UPDATE_DIRECTORY_SIZE + AUTO_UPDATE_INFO_SIZE) -#define AUTO_UPDATE_TIMEOUT_MS 60000 - struct mpfs_auto_update_priv { struct mpfs_sys_controller *sys_controller; struct device *dev; struct mtd_info *flash; struct fw_upload *fw_uploader; - struct completion programming_complete; size_t size_per_bitstream; bool cancel_request; }; @@ -156,19 +153,6 @@ static void mpfs_auto_update_cancel(struct fw_upload *fw_uploader) static enum fw_upload_err mpfs_auto_update_poll_complete(struct fw_upload *fw_uploader) { - struct mpfs_auto_update_priv *priv = fw_uploader->dd_handle; - int ret; - - /* - * There is no meaningful way to get the status of the programming while - * it is in progress, so attempting anything other than waiting for it - * to complete would be misplaced. - */ - ret = wait_for_completion_timeout(&priv->programming_complete, - msecs_to_jiffies(AUTO_UPDATE_TIMEOUT_MS)); - if (!ret) - return FW_UPLOAD_ERR_TIMEOUT; - return FW_UPLOAD_ERR_NONE; } @@ -349,33 +333,23 @@ static enum fw_upload_err mpfs_auto_update_write(struct fw_upload *fw_uploader, u32 offset, u32 size, u32 *written) { struct mpfs_auto_update_priv *priv = fw_uploader->dd_handle; - enum fw_upload_err err = FW_UPLOAD_ERR_NONE; int ret; - reinit_completion(&priv->programming_complete); - ret = mpfs_auto_update_write_bitstream(fw_uploader, data, offset, size, written); - if (ret) { - err = FW_UPLOAD_ERR_RW_ERROR; - goto out; - } + if (ret) + return FW_UPLOAD_ERR_RW_ERROR; - if (priv->cancel_request) { - err = FW_UPLOAD_ERR_CANCELED; - goto out; - } + if (priv->cancel_request) + return FW_UPLOAD_ERR_CANCELED; if (mpfs_auto_update_is_bitstream_info(data, size)) - goto out; + return FW_UPLOAD_ERR_NONE; ret = mpfs_auto_update_verify_image(fw_uploader); if (ret) - err = FW_UPLOAD_ERR_FW_INVALID; + return FW_UPLOAD_ERR_FW_INVALID; -out: - complete(&priv->programming_complete); - - return err; + return FW_UPLOAD_ERR_NONE; } static const struct fw_upload_ops mpfs_auto_update_ops = { @@ -461,8 +435,6 @@ static int mpfs_auto_update_probe(struct platform_device *pdev) return dev_err_probe(dev, ret, "The current bitstream does not support auto-update\n"); - init_completion(&priv->programming_complete); - fw_uploader = firmware_upload_register(THIS_MODULE, dev, "mpfs-auto-update", &mpfs_auto_update_ops, priv); if (IS_ERR(fw_uploader)) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 10986cb11ec0..2e4260ba5f79 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -112,6 +112,7 @@ enum qcom_scm_qseecom_tz_cmd_info { }; #define QSEECOM_MAX_APP_NAME_SIZE 64 +#define SHMBRIDGE_RESULT_NOTSUPP 4 /* Each bit configures cold/warm boot address for one of the 4 CPUs */ static const u8 qcom_scm_cpu_cold_bits[QCOM_SCM_BOOT_MAX_CPUS] = { @@ -216,7 +217,7 @@ static DEFINE_SPINLOCK(scm_query_lock); struct qcom_tzmem_pool *qcom_scm_get_tzmem_pool(void) { - return __scm->mempool; + return __scm ? __scm->mempool : NULL; } static enum qcom_scm_convention __get_convention(void) @@ -545,7 +546,7 @@ static void qcom_scm_set_download_mode(u32 dload_mode) } else if (__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_BOOT, QCOM_SCM_BOOT_SET_DLOAD_MODE)) { ret = __qcom_scm_set_dload_mode(__scm->dev, !!dload_mode); - } else { + } else if (dload_mode) { dev_err(__scm->dev, "No available mechanism for setting download mode\n"); } @@ -1361,6 +1362,8 @@ EXPORT_SYMBOL_GPL(qcom_scm_lmh_dcvsh_available); int qcom_scm_shm_bridge_enable(void) { + int ret; + struct qcom_scm_desc desc = { .svc = QCOM_SCM_SVC_MP, .cmd = QCOM_SCM_MP_SHM_BRIDGE_ENABLE, @@ -1373,7 +1376,15 @@ int qcom_scm_shm_bridge_enable(void) QCOM_SCM_MP_SHM_BRIDGE_ENABLE)) return -EOPNOTSUPP; - return qcom_scm_call(__scm->dev, &desc, &res) ?: res.result[0]; + ret = qcom_scm_call(__scm->dev, &desc, &res); + + if (ret) + return ret; + + if (res.result[0] == SHMBRIDGE_RESULT_NOTSUPP) + return -EOPNOTSUPP; + + return res.result[0]; } EXPORT_SYMBOL_GPL(qcom_scm_shm_bridge_enable); diff --git a/drivers/firmware/smccc/smccc.c b/drivers/firmware/smccc/smccc.c index d670635914ec..a74600d9f2d7 100644 --- a/drivers/firmware/smccc/smccc.c +++ b/drivers/firmware/smccc/smccc.c @@ -16,7 +16,6 @@ static u32 smccc_version = ARM_SMCCC_VERSION_1_0; static enum arm_smccc_conduit smccc_conduit = SMCCC_CONDUIT_NONE; bool __ro_after_init smccc_trng_available = false; -u64 __ro_after_init smccc_has_sve_hint = false; s32 __ro_after_init smccc_soc_id_version = SMCCC_RET_NOT_SUPPORTED; s32 __ro_after_init smccc_soc_id_revision = SMCCC_RET_NOT_SUPPORTED; @@ -28,9 +27,6 @@ void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit) smccc_conduit = conduit; smccc_trng_available = smccc_probe_trng(); - if (IS_ENABLED(CONFIG_ARM64_SVE) && - smccc_version >= ARM_SMCCC_VERSION_1_3) - smccc_has_sve_hint = true; if ((smccc_version >= ARM_SMCCC_VERSION_1_2) && (smccc_conduit != SMCCC_CONDUIT_NONE)) { |