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path: root/drivers/misc/mei/amthif.c
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Diffstat (limited to 'drivers/misc/mei/amthif.c')
-rw-r--r--drivers/misc/mei/amthif.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index c86d7e3839a4..b3e50984d2c8 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -60,7 +60,7 @@ void mei_amthif_reset_params(struct mei_device *dev)
}
/**
- * mei_amthif_host_init_ - mei initialization amthif client.
+ * mei_amthif_host_init - mei initialization amthif client.
*
* @dev: the device structure
*
@@ -433,7 +433,7 @@ unsigned int mei_amthif_poll(struct mei_device *dev,
/**
- * mei_amthif_irq_process_completed - processes completed iamthif operation.
+ * mei_amthif_irq_write_completed - processes completed iamthif operation.
*
* @dev: the device structure.
* @slots: free slots.
@@ -449,7 +449,7 @@ int mei_amthif_irq_write_complete(struct mei_device *dev, s32 *slots,
struct mei_msg_hdr mei_hdr;
struct mei_cl *cl = cb->cl;
size_t len = dev->iamthif_msg_buf_size - dev->iamthif_msg_buf_index;
- size_t msg_slots = mei_data2slots(len);
+ u32 msg_slots = mei_data2slots(len);
mei_hdr.host_addr = cl->host_client_id;
mei_hdr.me_addr = cl->me_client_id;
@@ -505,14 +505,15 @@ int mei_amthif_irq_write_complete(struct mei_device *dev, s32 *slots,
* mei_amthif_irq_read_message - read routine after ISR to
* handle the read amthif message
*
- * @complete_list: An instance of our list structure
* @dev: the device structure
* @mei_hdr: header of amthif message
+ * @complete_list: An instance of our list structure
*
* returns 0 on success, <0 on failure.
*/
-int mei_amthif_irq_read_message(struct mei_cl_cb *complete_list,
- struct mei_device *dev, struct mei_msg_hdr *mei_hdr)
+int mei_amthif_irq_read_msg(struct mei_device *dev,
+ struct mei_msg_hdr *mei_hdr,
+ struct mei_cl_cb *complete_list)
{
struct mei_cl_cb *cb;
unsigned char *buffer;
@@ -530,8 +531,7 @@ int mei_amthif_irq_read_message(struct mei_cl_cb *complete_list,
if (!mei_hdr->msg_complete)
return 0;
- dev_dbg(&dev->pdev->dev,
- "amthif_message_buffer_index =%d\n",
+ dev_dbg(&dev->pdev->dev, "amthif_message_buffer_index =%d\n",
mei_hdr->length);
dev_dbg(&dev->pdev->dev, "completed amthif read.\n ");
@@ -566,12 +566,13 @@ int mei_amthif_irq_read_message(struct mei_cl_cb *complete_list,
*/
int mei_amthif_irq_read(struct mei_device *dev, s32 *slots)
{
+ u32 msg_slots = mei_data2slots(sizeof(struct hbm_flow_control));
- if (((*slots) * sizeof(u32)) < (sizeof(struct mei_msg_hdr)
- + sizeof(struct hbm_flow_control))) {
+ if (*slots < msg_slots)
return -EMSGSIZE;
- }
- *slots -= mei_data2slots(sizeof(struct hbm_flow_control));
+
+ *slots -= msg_slots;
+
if (mei_hbm_cl_flow_control_req(dev, &dev->iamthif_cl)) {
dev_dbg(&dev->pdev->dev, "iamthif flow control failed\n");
return -EIO;
@@ -703,7 +704,7 @@ static bool mei_clear_lists(struct mei_device *dev, struct file *file)
/**
* mei_amthif_release - the release function
*
-* @inode: pointer to inode structure
+* @dev: device structure
* @file: pointer to file structure
*
* returns 0 on success, <0 on error