diff options
Diffstat (limited to 'drivers')
92 files changed, 609 insertions, 502 deletions
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 1ff99a7091bb..7df7abaf3e52 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -525,10 +525,6 @@ static int tpm_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait) { struct tpm_chip *chip = container_of(rng, struct tpm_chip, hwrng); - /* Give back zero bytes, as TPM chip has not yet fully resumed: */ - if (chip->flags & TPM_CHIP_FLAG_SUSPENDED) - return 0; - return tpm_get_random(chip, data, max); } diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 8134f002b121..b1daa0d7b341 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -370,6 +370,13 @@ int tpm_pm_suspend(struct device *dev) if (!chip) return -ENODEV; + rc = tpm_try_get_ops(chip); + if (rc) { + /* Can be safely set out of locks, as no action cannot race: */ + chip->flags |= TPM_CHIP_FLAG_SUSPENDED; + goto out; + } + if (chip->flags & TPM_CHIP_FLAG_ALWAYS_POWERED) goto suspended; @@ -377,21 +384,19 @@ int tpm_pm_suspend(struct device *dev) !pm_suspend_via_firmware()) goto suspended; - rc = tpm_try_get_ops(chip); - if (!rc) { - if (chip->flags & TPM_CHIP_FLAG_TPM2) { - tpm2_end_auth_session(chip); - tpm2_shutdown(chip, TPM2_SU_STATE); - } else { - rc = tpm1_pm_suspend(chip, tpm_suspend_pcr); - } - - tpm_put_ops(chip); + if (chip->flags & TPM_CHIP_FLAG_TPM2) { + tpm2_end_auth_session(chip); + tpm2_shutdown(chip, TPM2_SU_STATE); + goto suspended; } + rc = tpm1_pm_suspend(chip, tpm_suspend_pcr); + suspended: chip->flags |= TPM_CHIP_FLAG_SUSPENDED; + tpm_put_ops(chip); +out: if (rc) dev_err(dev, "Ignoring error %d while suspending\n", rc); return 0; @@ -440,11 +445,18 @@ int tpm_get_random(struct tpm_chip *chip, u8 *out, size_t max) if (!chip) return -ENODEV; + /* Give back zero bytes, as TPM chip has not yet fully resumed: */ + if (chip->flags & TPM_CHIP_FLAG_SUSPENDED) { + rc = 0; + goto out; + } + if (chip->flags & TPM_CHIP_FLAG_TPM2) rc = tpm2_get_random(chip, out, max); else rc = tpm1_get_random(chip, out, max); +out: tpm_put_ops(chip); return rc; } diff --git a/drivers/edac/qcom_edac.c b/drivers/edac/qcom_edac.c index d3cd4cc54ace..a9a8ba067007 100644 --- a/drivers/edac/qcom_edac.c +++ b/drivers/edac/qcom_edac.c @@ -342,9 +342,11 @@ static int qcom_llcc_edac_probe(struct platform_device *pdev) int ecc_irq; int rc; - rc = qcom_llcc_core_setup(llcc_driv_data, llcc_driv_data->bcast_regmap); - if (rc) - return rc; + if (!llcc_driv_data->ecc_irq_configured) { + rc = qcom_llcc_core_setup(llcc_driv_data, llcc_driv_data->bcast_regmap); + if (rc) + return rc; + } /* Allocate edac control info */ edev_ctl = edac_device_alloc_ctl_info(0, "qcom-llcc", 1, "bank", 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/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; < |