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OpenCloudOS-Kernel
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mei: extract amthif specific code from mei_poll to mei_amthif_poll 

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 2012-11-11 17:38:02 +02:00 committed by Greg Kroah-Hartman
parent a562d5c25a
commit 744f0f2f42
3 changed files with 25 additions and 10 deletions
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19
drivers/misc/mei/amthif.c
View File

@ -401,6 +401,25 @@ void mei_amthif_run_next_cmd(struct mei_device *dev)
}
}
unsigned int mei_amthif_poll(struct mei_device *dev,
struct file *file, poll_table *wait)
{
unsigned int mask = 0;
mutex_unlock(&dev->device_lock);
poll_wait(file, &dev->iamthif_cl.wait, wait);
mutex_lock(&dev->device_lock);
if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
dev->iamthif_file_object == file) {
mask |= (POLLIN | POLLRDNORM);
dev_dbg(&dev->pdev->dev, "run next amthi cb\n");
mei_amthif_run_next_cmd(dev);
}
return mask;
}
/**
* mei_amthif_irq_process_completed - processes completed iamthif operation.
*

10
drivers/misc/mei/main.c
View File

@ -694,15 +694,7 @@ static unsigned int mei_poll(struct file *file, poll_table *wait)
if (cl == &dev->iamthif_cl) {
mutex_unlock(&dev->device_lock);
poll_wait(file, &dev->iamthif_cl.wait, wait);
mutex_lock(&dev->device_lock);
if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
dev->iamthif_file_object == file) {
mask |= (POLLIN | POLLRDNORM);
dev_dbg(&dev->pdev->dev, "run next amthi cb\n");
mei_amthif_run_next_cmd(dev);
}
mask = mei_amthif_poll(dev, file, wait);
goto out;
}

6
drivers/misc/mei/mei_dev.h
View File

@ -19,6 +19,7 @@
#include <linux/types.h>
#include <linux/watchdog.h>
#include <linux/poll.h>
#include <linux/mei.h>
#include "hw.h"
@ -387,7 +388,10 @@ void mei_amthif_host_init(struct mei_device *dev);
int mei_amthif_write(struct mei_device *dev, struct mei_cl_cb *priv_cb);
int mei_amthif_read(struct mei_device *dev, struct file *file,
char __user *ubuf, size_t length, loff_t *offset);
char __user *ubuf, size_t length, loff_t *offset);
unsigned int mei_amthif_poll(struct mei_device *dev,
struct file *file, poll_table *wait);
int mei_amthif_release(struct mei_device *dev, struct file *file);