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Commit 1b83535c authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "regulator: virtio: wait for backend response forever"

parents 3934139e 26888d5a

drivers/regulator/virtio_regulator.c

+7 −43
Original line number Original line Diff line number Diff line
@@ -27,7 +27,6 @@ 
#include <linux/regulator/machine.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/of_regulator.h>

#include <linux/regulator/of_regulator.h>





#define VIRTIO_REGULATOR_TIMEOUT		200 /* miliseconds */

#define VIRTIO_REGULATOR_MAX_NAME		20

#define VIRTIO_REGULATOR_MAX_NAME		20

#define VIRTIO_REGULATOR_VOLTAGE_UNKNOWN	1

#define VIRTIO_REGULATOR_VOLTAGE_UNKNOWN	1
@@ -78,12 +77,7 @@ static int virtio_regulator_enable(struct regulator_dev *rdev) 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {
@@ -132,12 +126,7 @@ static int virtio_regulator_disable(struct regulator_dev *rdev) 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {
@@ -198,12 +187,7 @@ static int virtio_regulator_set_voltage(struct regulator_dev *rdev, int min_uV, 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {
@@ -250,12 +234,7 @@ static int virtio_regulator_get_voltage(struct regulator_dev *rdev) 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {
@@ -309,12 +288,7 @@ static int virtio_regulator_set_mode(struct regulator_dev *rdev, 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {
@@ -361,12 +335,7 @@ static unsigned int virtio_regulator_get_mode(struct regulator_dev *rdev) 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {
@@ -419,12 +388,7 @@ static int virtio_regulator_set_load(struct regulator_dev *rdev, int load_ua) 




	virtqueue_kick(vreg->vq);

	virtqueue_kick(vreg->vq);





	ret = wait_for_completion_timeout(&vreg->rsp_avail,

	wait_for_completion(&vreg->rsp_avail);

			msecs_to_jiffies(VIRTIO_REGULATOR_TIMEOUT));

	if (!ret) {

		ret = -ETIMEDOUT;

		goto out;

	}





	rsp = virtqueue_get_buf(vreg->vq, &len);

	rsp = virtqueue_get_buf(vreg->vq, &len);

	if (!rsp) {

	if (!rsp) {