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mei: add mei_irq_compl_handler function

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similar to read/write add also irq completion handler
that is called for the irq thread

rename missnamed mei_irq_complete_handler to
mei_cl_complete_handler as it operates on a single client

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2013-03-17 11:41:20 +02:00 committed by Greg Kroah-Hartman
parent f57f27bc6e
commit 4c6e22b8a9
3 changed files with 34 additions and 26 deletions
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18
drivers/misc/mei/hw-me.c
View File

@ -456,8 +456,6 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id)
{
struct mei_device *dev = (struct mei_device *) dev_id;
struct mei_cl_cb complete_list;
struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL;
struct mei_cl *cl;
s32 slots;
int rets;
bool bus_message_received;
@ -527,23 +525,9 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id)
wake_up_interruptible(&dev->wait_recvd_msg);
bus_message_received = false;
}
if (list_empty(&complete_list.list))
return IRQ_HANDLED;
mei_irq_compl_handler(dev, &complete_list);
list_for_each_entry_safe(cb_pos, cb_next, &complete_list.list, list) {
cl = cb_pos->cl;
list_del(&cb_pos->list);
if (cl) {
if (cl != &dev->iamthif_cl) {
dev_dbg(&dev->pdev->dev, "completing call back.\n");
mei_irq_complete_handler(cl, cb_pos);
cb_pos = NULL;
} else if (cl == &dev->iamthif_cl) {
mei_amthif_complete(dev, cb_pos);
}
}
}
return IRQ_HANDLED;
}
static const struct mei_hw_ops mei_me_hw_ops = {

39
drivers/misc/mei/interrupt.c
View File

@ -30,21 +30,21 @@
/**
* mei_complete_handler - processes completed operation.
* mei_cl_complete_handler - processes completed operation for a client
*
* @cl: private data of the file object.
* @cb_pos: callback block.
* @cb: callback block.
*/
void mei_irq_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb_pos)
static void mei_cl_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb)
{
if (cb_pos->fop_type == MEI_FOP_WRITE) {
mei_io_cb_free(cb_pos);
cb_pos = NULL;
if (cb->fop_type == MEI_FOP_WRITE) {
mei_io_cb_free(cb);
cb = NULL;
cl->writing_state = MEI_WRITE_COMPLETE;
if (waitqueue_active(&cl->tx_wait))
wake_up_interruptible(&cl->tx_wait);
} else if (cb_pos->fop_type == MEI_FOP_READ &&
} else if (cb->fop_type == MEI_FOP_READ &&
MEI_READING == cl->reading_state) {
cl->reading_state = MEI_READ_COMPLETE;
if (waitqueue_active(&cl->rx_wait))
@ -53,6 +53,31 @@ void mei_irq_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb_pos)
}
}
/**
* mei_irq_compl_handler - dispatch complete handelers
* for the completed callbacks
*
* @dev - mei device
* @compl_list - list of completed cbs
*/
void mei_irq_compl_handler(struct mei_device *dev, struct mei_cl_cb *compl_list)
{
struct mei_cl_cb *cb, *next;
struct mei_cl *cl;
list_for_each_entry_safe(cb, next, &compl_list->list, list) {
cl = cb->cl;
list_del(&cb->list);
if (!cl)
continue;
dev_dbg(&dev->pdev->dev, "completing call back.\n");
if (cl == &dev->iamthif_cl)
mei_amthif_complete(dev, cb);
else
mei_cl_complete_handler(cl, cb);
}
}
/**
* _mei_irq_thread_state_ok - checks if mei header matches file private data
*

3
drivers/misc/mei/mei_dev.h
View File

@ -405,8 +405,7 @@ int mei_irq_read_handler(struct mei_device *dev,
struct mei_cl_cb *cmpl_list, s32 *slots);
int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list);
void mei_irq_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb_pos);
void mei_irq_compl_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list);
/*
* AMTHIF - AMT Host Interface Functions