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Message-Id: <1360152404-5769-6-git-send-email-tomas.winkler@intel.com>
Date: Wed, 6 Feb 2013 14:06:43 +0200
From: Tomas Winkler <tomas.winkler@...el.com>
To: gregkh@...uxfoundation.org
Cc: arnd@...db.de, alan@...ux.intel.com, linux-kernel@...r.kernel.org,
Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 5/6] mei: rename to mei_host_buffer_is_empty to hbuf_is_ready
we rename the mei_host_buffer_is_empty to keep naming
convention of hbuf and also make the query more generic
to be correct also for other under laying hardware
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
drivers/misc/mei/amthif.c | 8 ++++----
drivers/misc/mei/client.c | 13 ++++++-------
drivers/misc/mei/hw-me.c | 2 +-
drivers/misc/mei/main.c | 4 ++--
drivers/misc/mei/mei_dev.h | 14 ++++++++++----
drivers/misc/mei/wd.c | 9 ++++-----
6 files changed, 27 insertions(+), 23 deletions(-)
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index a7c4838..c86d7e3 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -297,9 +297,9 @@ static int mei_amthif_send_cmd(struct mei_device *dev, struct mei_cl_cb *cb)
if (ret < 0)
return ret;
- if (ret && dev->mei_host_buffer_is_empty) {
+ if (ret && dev->hbuf_is_ready) {
ret = 0;
- dev->mei_host_buffer_is_empty = false;
+ dev->hbuf_is_ready = false;
if (cb->request_buffer.size > mei_hbuf_max_len(dev)) {
mei_hdr.length = mei_hbuf_max_len(dev);
mei_hdr.msg_complete = 0;
@@ -330,7 +330,7 @@ static int mei_amthif_send_cmd(struct mei_device *dev, struct mei_cl_cb *cb)
list_add_tail(&cb->list, &dev->write_list.list);
}
} else {
- if (!(dev->mei_host_buffer_is_empty))
+ if (!dev->hbuf_is_ready)
dev_dbg(&dev->pdev->dev, "host buffer is not empty");
dev_dbg(&dev->pdev->dev, "No flow control credentials, so add iamthif cb to write list.\n");
@@ -583,7 +583,7 @@ int mei_amthif_irq_read(struct mei_device *dev, s32 *slots)
dev->iamthif_msg_buf_index = 0;
dev->iamthif_msg_buf_size = 0;
dev->iamthif_stall_timer = MEI_IAMTHIF_STALL_TIMER;
- dev->mei_host_buffer_is_empty = mei_hbuf_is_ready(dev);
+ dev->hbuf_is_ready = mei_hbuf_is_ready(dev);
return 0;
}
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index a921001..e46663e 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -393,8 +393,8 @@ int mei_cl_disconnect(struct mei_cl *cl)
return -ENOMEM;
cb->fop_type = MEI_FOP_CLOSE;
- if (dev->mei_host_buffer_is_empty) {
- dev->mei_host_buffer_is_empty = false;
+ if (dev->hbuf_is_ready) {
+ dev->hbuf_is_ready = false;
if (mei_hbm_cl_disconnect_req(dev, cl)) {
rets = -ENODEV;
dev_err(&dev->pdev->dev, "failed to disconnect.\n");
@@ -496,9 +496,8 @@ int mei_cl_connect(struct mei_cl *cl, struct file *file)
cb->fop_type = MEI_FOP_IOCTL;
- if (dev->mei_host_buffer_is_empty &&
- !mei_cl_is_other_connecting(cl)) {
- dev->mei_host_buffer_is_empty = false;
+ if (dev->hbuf_is_ready && !mei_cl_is_other_connecting(cl)) {
+ dev->hbuf_is_ready = false;
if (mei_hbm_cl_connect_req(dev, cl)) {
rets = -ENODEV;
@@ -661,8 +660,8 @@ int mei_cl_read_start(struct mei_cl *cl)
cb->fop_type = MEI_FOP_READ;
cl->read_cb = cb;
- if (dev->mei_host_buffer_is_empty) {
- dev->mei_host_buffer_is_empty = false;
+ if (dev->hbuf_is_ready) {
+ dev->hbuf_is_ready = false;
if (mei_hbm_cl_flow_control_req(dev, cl)) {
rets = -ENODEV;
goto err;
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 3bebf8d..45ea718 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -486,7 +486,7 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id)
rets = mei_irq_write_handler(dev, &complete_list);
end:
dev_dbg(&dev->pdev->dev, "end of bottom half function.\n");
- dev->mei_host_buffer_is_empty = mei_hbuf_is_ready(dev);
+ dev->hbuf_is_ready = mei_hbuf_is_ready(dev);
bus_message_received = false;
if (dev->recvd_msg && waitqueue_active(&dev->wait_recvd_msg)) {
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 843ae2f..903f809 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -454,14 +454,14 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
if (rets < 0)
goto err;
- if (rets == 0 || dev->mei_host_buffer_is_empty == false) {
+ if (rets == 0 || !dev->hbuf_is_ready) {
write_cb->buf_idx = 0;
mei_hdr.msg_complete = 0;
cl->writing_state = MEI_WRITING;
goto out;
}
- dev->mei_host_buffer_is_empty = false;
+ dev->hbuf_is_ready = false;
if (length > mei_hbuf_max_len(dev)) {
mei_hdr.length = mei_hbuf_max_len(dev);
mei_hdr.msg_complete = 0;
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 7d07cef..cb80166 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -265,9 +265,13 @@ struct mei_hw_ops {
/**
* struct mei_device - MEI private device struct
+
* @mem_addr - mem mapped base register address
- * @hbuf_depth - depth of host(write) buffer
- * @wr_ext_msg - buffer for hbm control responses (set in read cycle)
+
+ * @hbuf_depth - depth of hardware host/write buffer is slots
+ * @hbuf_is_ready - query if the host host/write buffer is ready
+ * @wr_msg - the buffer for hbm control messages
+ * @wr_ext_msg - the buffer for hbm control responses (set in read cycle)
*/
struct mei_device {
struct pci_dev *pdev; /* pointer to pci device struct */
@@ -294,7 +298,6 @@ struct mei_device {
struct delayed_work timer_work; /* MEI timer delayed work (timeouts) */
bool recvd_msg;
- u8 hbuf_depth;
/*
* waiting queue for receive message from FW
*/
@@ -311,6 +314,10 @@ struct mei_device {
unsigned char rd_msg_buf[MEI_RD_MSG_BUF_SIZE]; /* control messages */
u32 rd_msg_hdr;
+ /* write buffer */
+ u8 hbuf_depth;
+ bool hbuf_is_ready;
+
/* used for control messages */
struct {
struct mei_msg_hdr hdr;
@@ -330,7 +337,6 @@ struct mei_device {
u8 me_clients_num;
u8 me_client_presentation_num;
u8 me_client_index;
- bool mei_host_buffer_is_empty;
struct mei_cl wd_cl;
enum mei_wd_states wd_state;
diff --git a/drivers/misc/mei/wd.c b/drivers/misc/mei/wd.c
index 77b3820..2413247 100644
--- a/drivers/misc/mei/wd.c
+++ b/drivers/misc/mei/wd.c
@@ -157,9 +157,9 @@ int mei_wd_stop(struct mei_device *dev)
if (ret < 0)
goto out;
- if (ret && dev->mei_host_buffer_is_empty) {
+ if (ret && dev->hbuf_is_ready) {
ret = 0;
- dev->mei_host_buffer_is_empty = false;
+ dev->hbuf_is_ready = false;
if (!mei_wd_send(dev)) {
ret = mei_cl_flow_ctrl_reduce(&dev->wd_cl);
@@ -282,10 +282,9 @@ static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
dev->wd_state = MEI_WD_RUNNING;
/* Check if we can send the ping to HW*/
- if (dev->mei_host_buffer_is_empty &&
- mei_cl_flow_ctrl_creds(&dev->wd_cl) > 0) {
+ if (dev->hbuf_is_ready && mei_cl_flow_ctrl_creds(&dev->wd_cl) > 0) {
- dev->mei_host_buffer_is_empty = false;
+ dev->hbuf_is_ready = false;
dev_dbg(&dev->pdev->dev, "wd: sending ping\n");
if (mei_wd_send(dev)) {
--
1.7.4.4
--
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