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>
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index 8f4373a..7416241 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -401,6 +401,25 @@
}
}
+
+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.
*
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 43512e5..2cc1ebb 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -694,15 +694,7 @@
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;
}
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index bdad35e..dad85f3 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -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 @@
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);