diff options
Diffstat (limited to 'drivers/firmware/arm_scmi')
| -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 |
3 files changed, 14 insertions, 5 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); |