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Commit d9ca9d6e authored by Zhen Kong's avatar Zhen Kong
Browse files

crypto: msm: change clock operation in qcedev driver 



Make change to enable/disable clock just before/after crypto operation.

Change-Id: I0fad859b142ccc6250d597e07aff7c530d40154f
Signed-off-by: default avatarZhen Kong <zkong@codeaurora.org>
parent 52c9eb46

drivers/crypto/msm/qcedev.c

+9 −4
Original line number Diff line number Diff line
@@ -259,8 +259,6 @@ static int qcedev_open(struct inode *inode, struct file *file) 


	handle->cntl = podev;

	file->private_data = handle;

	if (podev->platform_support.bus_scale_table != NULL)

		qcedev_ce_high_bw_req(podev, true);



	mutex_init(&handle->registeredbufs.lock);

	INIT_LIST_HEAD(&handle->registeredbufs.list);
@@ -284,8 +282,6 @@ static int qcedev_release(struct inode *inode, struct file *file) 


	kzfree(handle);

	file->private_data = NULL;

	if (podev != NULL && podev->platform_support.bus_scale_table != NULL)

		qcedev_ce_high_bw_req(podev, false);

	return 0;

}
@@ -1711,6 +1707,11 @@ static inline long qcedev_ioctl(struct file *file, 
	init_completion(&qcedev_areq->complete);

	pstat = &_qcedev_stat;



	if (podev->platform_support.bus_scale_table != NULL &&

		cmd != QCEDEV_IOCTL_MAP_BUF_REQ &&

		cmd != QCEDEV_IOCTL_UNMAP_BUF_REQ)

		qcedev_ce_high_bw_req(podev, true);



	switch (cmd) {

	case QCEDEV_IOCTL_ENC_REQ:

	case QCEDEV_IOCTL_DEC_REQ:
@@ -1991,6 +1992,10 @@ static inline long qcedev_ioctl(struct file *file, 
	}



exit_free_qcedev_areq:

	if (podev->platform_support.bus_scale_table != NULL &&

		cmd != QCEDEV_IOCTL_MAP_BUF_REQ &&

		cmd != QCEDEV_IOCTL_UNMAP_BUF_REQ)

		qcedev_ce_high_bw_req(podev, false);

	kfree(qcedev_areq);

	return err;

}