[PATCH V2] Enhance logging for Shared Transport - TI driver

From: alexandrasava18
Date: Fri Mar 16 2012 - 13:58:57 EST

From: Alexandra Sava <alexandrasava18@xxxxxxxxx>

* reduced verbosity
* replaced pr_* with dev_* where possible
* fixed yoda conditions

Signed-off-by: Alexandra Sava <alexandrasava18@xxxxxxxxx>
Cc: Daniel Baluta <daniel.baluta@xxxxxxxxx>
Cc: Mircea Gherzan <mgherzan@xxxxxxxxx>
---
Changes since v1:
* removed debug_mask module parameter
* removed custome logging functions

drivers/misc/ti-st/st_core.c | 91 +++++++++++----------------------------
drivers/misc/ti-st/st_kim.c | 98 +++++++++++++++++-------------------------
drivers/misc/ti-st/st_ll.c | 17 +++-----
3 files changed, 70 insertions(+), 136 deletions(-)

diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index 2b62232..9a0e070 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -19,7 +19,6 @@
*
*/

-#define pr_fmt(fmt) "(stc): " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -40,7 +39,7 @@ void (*st_recv) (void*, const unsigned char*, long);
static void add_channel_to_table(struct st_data_s *st_gdata,
struct st_proto_s *new_proto)
{
- pr_info("%s: id %d\n", __func__, new_proto->chnl_id);
+ pr_info("Add new channel: id - %d\n", new_proto->chnl_id);
/* list now has the channel id as index itself */
st_gdata->list[new_proto->chnl_id] = new_proto;
st_gdata->is_registered[new_proto->chnl_id] = true;
@@ -49,7 +48,7 @@ static void add_channel_to_table(struct st_data_s *st_gdata,
static void remove_channel_from_table(struct st_data_s *st_gdata,
struct st_proto_s *proto)
{
- pr_info("%s: id %d\n", __func__, proto->chnl_id);
+ pr_info("Remove channel: id - %d\n", proto->chnl_id);
/* st_gdata->list[proto->chnl_id] = NULL; */
st_gdata->is_registered[proto->chnl_id] = false;
}
@@ -102,8 +101,6 @@ int st_int_write(struct st_data_s *st_gdata,
*/
void st_send_frame(unsigned char chnl_id, struct st_data_s *st_gdata)
{
- pr_debug(" %s(prot:%d) ", __func__, chnl_id);
-
if (unlikely
(st_gdata == NULL || st_gdata->rx_skb == NULL
|| st_gdata->is_registered[chnl_id] == false)) {
@@ -122,12 +119,12 @@ void st_send_frame(unsigned char chnl_id, struct st_data_s *st_gdata)
(st_gdata->list[chnl_id]->recv
(st_gdata->list[chnl_id]->priv_data, st_gdata->rx_skb)
!= 0)) {
- pr_err(" proto stack %d's ->recv failed", chnl_id);
+ pr_err("proto stack %d's ->recv failed", chnl_id);
kfree_skb(st_gdata->rx_skb);
return;
}
} else {
- pr_err(" proto stack %d's ->recv null", chnl_id);
+ pr_err("proto stack %d's ->recv null", chnl_id);
kfree_skb(st_gdata->rx_skb);
}
return;
@@ -143,14 +140,13 @@ void st_send_frame(unsigned char chnl_id, struct st_data_s *st_gdata)
void st_reg_complete(struct st_data_s *st_gdata, char err)
{
unsigned char i = 0;
- pr_info(" %s ", __func__);
+
for (i = 0; i < ST_MAX_CHANNELS; i++) {
if (likely(st_gdata != NULL &&
st_gdata->is_registered[i] == true &&
st_gdata->list[i]->reg_complete_cb != NULL)) {
st_gdata->list[i]->reg_complete_cb
(st_gdata->list[i]->priv_data, err);
- pr_info("protocol %d's cb sent %d\n", i, err);
if (err) { /* cleanup registered protocol */
st_gdata->protos_registered--;
st_gdata->is_registered[i] = false;
@@ -164,8 +160,6 @@ static inline int st_check_data_len(struct st_data_s *st_gdata,
{
int room = skb_tailroom(st_gdata->rx_skb);

- pr_debug("len %d room %d", len, room);
-
if (!len) {
/* Received packet has only packet header and
* has zero length payload. So, ask ST CORE to
@@ -177,7 +171,7 @@ static inline int st_check_data_len(struct st_data_s *st_gdata,
/* Received packet's payload length is larger.
* We can't accommodate it in created skb.
*/
- pr_err("Data length is too large len %d room %d", len,
+ pr_err("Data length is too large: len - %d room - %d", len,
room);
kfree_skb(st_gdata->rx_skb);
} else {
@@ -246,14 +240,10 @@ void st_int_recv(void *disc_data,
ptr = (char *)data;
/* tty_receive sent null ? */
if (unlikely(ptr == NULL) || (st_gdata == NULL)) {
- pr_err(" received null from TTY ");
+ pr_err("Received null from TTY");
return;
}

- pr_debug("count %ld rx_state %ld"
- "rx_count %ld", count, st_gdata->rx_state,
- st_gdata->rx_count);
-
spin_lock_irqsave(&st_gdata->lock, flags);
/* Decode received bytes here */
while (count) {
@@ -285,22 +275,16 @@ void st_int_recv(void *disc_data,
plen =
&st_gdata->rx_skb->data
[proto->offset_len_in_hdr];
- pr_debug("plen pointing to %x\n", *plen);
if (proto->len_size == 1)/* 1 byte len field */
payload_len = *(unsigned char *)plen;
else if (proto->len_size == 2)
payload_len =
__le16_to_cpu(*(unsigned short *)plen);
else
- pr_info("%s: invalid length "
- "for id %d\n",
- __func__, proto->chnl_id);
st_check_data_len(st_gdata, proto->chnl_id,
payload_len);
- pr_debug("off %d, pay len %d\n",
- proto->offset_len_in_hdr, payload_len);
continue;
- } /* end of switch rx_state */
+ }
}

/* end of if rx_count */
@@ -310,7 +294,6 @@ void st_int_recv(void *disc_data,
case LL_SLEEP_IND:
case LL_SLEEP_ACK:
case LL_WAKE_UP_IND:
- pr_debug("PM packet");
/* this takes appropriate action based on
* sleep state received --
*/
@@ -327,8 +310,6 @@ void st_int_recv(void *disc_data,
count--;
continue;
case LL_WAKE_UP_ACK:
- pr_debug("PM packet");
-
spin_unlock_irqrestore(&st_gdata->lock, flags);
/* wake up ack received */
st_wakeup_ack(st_gdata, *ptr);
@@ -344,7 +325,6 @@ void st_int_recv(void *disc_data,
pr_err("chip/interface misbehavior dropping"
" frame starting with 0x%02x", type);
goto done;
-
}
st_gdata->rx_skb = alloc_skb(
st_gdata->list[type]->max_frame_size,
@@ -352,19 +332,17 @@ void st_int_recv(void *disc_data,
skb_reserve(st_gdata->rx_skb,
st_gdata->list[type]->reserve);
/* next 2 required for BT only */
- st_gdata->rx_skb->cb[0] = type; /*pkt_type*/
- st_gdata->rx_skb->cb[1] = 0; /*incoming*/
+ st_gdata->rx_skb->cb[0] = type; /* pkt_type */
+ st_gdata->rx_skb->cb[1] = 0; /* incoming */
st_gdata->rx_chnl = *ptr;
st_gdata->rx_state = ST_W4_HEADER;
st_gdata->rx_count = st_gdata->list[type]->hdr_len;
- pr_debug("rx_count %ld\n", st_gdata->rx_count);
};
ptr++;
count--;
}
done:
spin_unlock_irqrestore(&st_gdata->lock, flags);
- pr_debug("done %s", __func__);
return;
}

@@ -378,7 +356,6 @@ struct sk_buff *st_int_dequeue(struct st_data_s *st_gdata)
{
struct sk_buff *returning_skb;

- pr_debug("%s", __func__);
if (st_gdata->tx_skb != NULL) {
returning_skb = st_gdata->tx_skb;
st_gdata->tx_skb = NULL;
@@ -400,7 +377,6 @@ void st_int_enqueue(struct st_data_s *st_gdata, struct sk_buff *skb)
{
unsigned long flags = 0;

- pr_debug("%s", __func__);
spin_lock_irqsave(&st_gdata->lock, flags);

switch (st_ll_getstate(st_gdata)) {
@@ -428,7 +404,6 @@ void st_int_enqueue(struct st_data_s *st_gdata, struct sk_buff *skb)
}

spin_unlock_irqrestore(&st_gdata->lock, flags);
- pr_debug("done %s", __func__);
return;
}

@@ -442,10 +417,9 @@ void st_tx_wakeup(struct st_data_s *st_data)
{
struct sk_buff *skb;
unsigned long flags; /* for irq save flags */
- pr_debug("%s", __func__);
+
/* check for sending & set flag sending here */
if (test_and_set_bit(ST_TX_SENDING, &st_data->tx_state)) {
- pr_debug("ST already sending");
/* keep sending */
set_bit(ST_TX_WAKEUP, &st_data->tx_state);
return;
@@ -504,7 +478,6 @@ long st_register(struct st_proto_s *new_proto)
unsigned long flags = 0;

st_kim_ref(&st_gdata, 0);
- pr_info("%s(%d) ", __func__, new_proto->chnl_id);
if (st_gdata == NULL || new_proto == NULL || new_proto->recv == NULL
|| new_proto->reg_complete_cb == NULL) {
pr_err("gdata/new_proto/recv or reg_complete_cb not ready");
@@ -525,7 +498,7 @@ long st_register(struct st_proto_s *new_proto)
spin_lock_irqsave(&st_gdata->lock, flags);

if (test_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state)) {
- pr_info(" ST_REG_IN_PROGRESS:%d ", new_proto->chnl_id);
+ pr_info("ST_REG_IN_PROGRESS:%d", new_proto->chnl_id);
/* fw download in progress */

add_channel_to_table(st_gdata, new_proto);
@@ -536,7 +509,7 @@ long st_register(struct st_proto_s *new_proto)
spin_unlock_irqrestore(&st_gdata->lock, flags);
return -EINPROGRESS;
} else if (st_gdata->protos_registered == ST_EMPTY) {
- pr_info(" chnl_id list empty :%d ", new_proto->chnl_id);
+ pr_info("chnl_id list empty :%d", new_proto->chnl_id);
set_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
st_recv = st_kim_recv;

@@ -554,7 +527,7 @@ long st_register(struct st_proto_s *new_proto)
clear_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
if ((st_gdata->protos_registered != ST_EMPTY) &&
(test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
- pr_err(" KIM failure complete callback ");
+ pr_err("KIM failure complete callback");
st_reg_complete(st_gdata, err);
clear_bit(ST_REG_PENDING, &st_gdata->st_state);
}
@@ -571,7 +544,6 @@ long st_register(struct st_proto_s *new_proto)
*/
if ((st_gdata->protos_registered != ST_EMPTY) &&
(test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
- pr_debug(" call reg complete callback ");
st_reg_complete(st_gdata, 0);
}
clear_bit(ST_REG_PENDING, &st_gdata->st_state);
@@ -580,7 +552,7 @@ long st_register(struct st_proto_s *new_proto)
* since the above check is old
*/
if (st_gdata->is_registered[new_proto->chnl_id] == true) {
- pr_err(" proto %d already registered ",
+ pr_err("proto %d already registered",
new_proto->chnl_id);
spin_unlock_irqrestore(&st_gdata->lock, flags);
return -EALREADY;
@@ -602,7 +574,6 @@ long st_register(struct st_proto_s *new_proto)
spin_unlock_irqrestore(&st_gdata->lock, flags);
return err;
}
- pr_debug("done %s(%d) ", __func__, new_proto->chnl_id);
}
EXPORT_SYMBOL_GPL(st_register);

@@ -615,18 +586,18 @@ long st_unregister(struct st_proto_s *proto)
unsigned long flags = 0;
struct st_data_s *st_gdata;

- pr_debug("%s: %d ", __func__, proto->chnl_id);
+ pr_debug("Unregister protocol: chnl %d ", proto->chnl_id);

st_kim_ref(&st_gdata, 0);
if (!st_gdata || proto->chnl_id >= ST_MAX_CHANNELS) {
- pr_err(" chnl_id %d not supported", proto->chnl_id);
+ pr_err("chnl_id %d not supported", proto->chnl_id);
return -EPROTONOSUPPORT;
}

spin_lock_irqsave(&st_gdata->lock, flags);

if (st_gdata->is_registered[proto->chnl_id] == false) {
- pr_err(" chnl_id %d not registered", proto->chnl_id);
+ pr_err("chnl_id %d not registered", proto->chnl_id);
spin_unlock_irqrestore(&st_gdata->lock, flags);
return -EPROTONOSUPPORT;
}
@@ -641,8 +612,6 @@ long st_unregister(struct st_proto_s *proto)

if ((st_gdata->protos_registered == ST_EMPTY) &&
(!test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
- pr_info(" all chnl_ids unregistered ");
-
/* stop traffic on tty */
if (st_gdata->tty) {
tty_ldisc_flush(st_gdata->tty);
@@ -673,7 +642,6 @@ long st_write(struct sk_buff *skb)
return -EINVAL;
}

- pr_debug("%d to be written", skb->len);
len = skb->len;

/* st_ll to decide where to enqueue the skb */
@@ -696,7 +664,6 @@ static int st_tty_open(struct tty_struct *tty)
{
int err = 0;
struct st_data_s *st_gdata;
- pr_info("%s ", __func__);

st_kim_ref(&st_gdata, 0);
st_gdata->tty = tty;
@@ -716,7 +683,6 @@ static int st_tty_open(struct tty_struct *tty)
* installation of N_TI_WL ldisc is complete
*/
st_kim_complete(st_gdata->kim_data);
- pr_debug("done %s", __func__);
return err;
}

@@ -726,8 +692,6 @@ static void st_tty_close(struct tty_struct *tty)
unsigned long flags = 0;
struct st_data_s *st_gdata = tty->disc_data;

- pr_info("%s ", __func__);
-
/* TODO:
* if a protocol has been registered & line discipline
* un-installed for some reason - what should be done ?
@@ -762,7 +726,6 @@ static void st_tty_close(struct tty_struct *tty)
st_gdata->rx_skb = NULL;
spin_unlock_irqrestore(&st_gdata->lock, flags);

- pr_debug("%s: done ", __func__);
}

static void st_tty_receive(struct tty_struct *tty, const unsigned char *data,
@@ -778,7 +741,6 @@ static void st_tty_receive(struct tty_struct *tty, const unsigned char *data,
* to KIM for validation
*/
st_recv(tty->disc_data, data, count);
- pr_debug("done %s", __func__);
}

/* wake-up function called in from the TTY layer
@@ -787,7 +749,7 @@ static void st_tty_receive(struct tty_struct *tty, const unsigned char *data,
static void st_tty_wakeup(struct tty_struct *tty)
{
struct st_data_s *st_gdata = tty->disc_data;
- pr_debug("%s ", __func__);
+
/* don't do an wakeup for now */
clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);

@@ -798,7 +760,6 @@ static void st_tty_wakeup(struct tty_struct *tty)
static void st_tty_flush_buffer(struct tty_struct *tty)
{
struct st_data_s *st_gdata = tty->disc_data;
- pr_debug("%s ", __func__);

kfree_skb(st_gdata->tx_skb);
st_gdata->tx_skb = NULL;
@@ -826,18 +787,16 @@ int st_core_init(struct st_data_s **core_data)

err = tty_register_ldisc(N_TI_WL, &st_ldisc_ops);
if (err) {
- pr_err("error registering %d line discipline %ld",
- N_TI_WL, err);
+ pr_err("error registering %d line discipline", N_TI_WL);
return err;
}
- pr_debug("registered n_shared line discipline");

st_gdata = kzalloc(sizeof(struct st_data_s), GFP_KERNEL);
if (!st_gdata) {
- pr_err("memory allocation failed");
+ pr_err("%s: memory allocation failed", __func__);
err = tty_unregister_ldisc(N_TI_WL);
if (err)
- pr_err("unable to un-register ldisc %ld", err);
+ pr_err("unable to un-register ldisc");
err = -ENOMEM;
return err;
}
@@ -853,7 +812,7 @@ int st_core_init(struct st_data_s **core_data)

err = st_ll_init(st_gdata);
if (err) {
- pr_err("error during st_ll initialization(%ld)", err);
+ pr_err("error during st_ll initialization");
kfree(st_gdata);
err = tty_unregister_ldisc(N_TI_WL);
if (err)
@@ -870,7 +829,7 @@ void st_core_exit(struct st_data_s *st_gdata)
/* internal module cleanup */
err = st_ll_deinit(st_gdata);
if (err)
- pr_err("error during deinit of ST LL %ld", err);
+ pr_err("error during deinit of ST LL");

if (st_gdata != NULL) {
/* Free ST Tx Qs and skbs */
@@ -881,7 +840,7 @@ void st_core_exit(struct st_data_s *st_gdata)
/* TTY ldisc cleanup */
err = tty_unregister_ldisc(N_TI_WL);
if (err)
- pr_err("unable to un-register ldisc %ld", err);
+ pr_err("unable to un-register ldisc");
/* free the global data pointer */
kfree(st_gdata);
}
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index a7a861c..26df5c0 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -20,7 +20,6 @@
*
*/

-#define pr_fmt(fmt) "(stk) :" fmt
#include <linux/platform_device.h>
#include <linux/jiffies.h>
#include <linux/firmware.h>
@@ -67,8 +66,7 @@ void validate_firmware_response(struct kim_data_s *kim_gdata)
{
struct sk_buff *skb = kim_gdata->rx_skb;
if (unlikely(skb->data[5] != 0)) {
- pr_err("no proper response during fw download");
- pr_err("data6 %x", skb->data[5]);
+ dev_err(&kim_gdata->kim_pdev->dev, "No proper response during fw download");
kfree_skb(skb);
return; /* keep waiting for the proper response */
}
@@ -84,16 +82,14 @@ static inline int kim_check_data_len(struct kim_data_s *kim_gdata, int len)
{
register int room = skb_tailroom(kim_gdata->rx_skb);

- pr_debug("len %d room %d", len, room);
-
if (!len) {
validate_firmware_response(kim_gdata);
} else if (len > room) {
/* Received packet's payload length is larger.
* We can't accommodate it in created skb.
*/
- pr_err("Data length is too large len %d room %d", len,
- room);
+ dev_err(&kim_gdata->kim_pdev->dev, "Data length is too large:"
+ "len - %d room - %d", len, room);
kfree_skb(kim_gdata->rx_skb);
} else {
/* Packet header has non-zero payload length and
@@ -126,11 +122,10 @@ void kim_int_recv(struct kim_data_s *kim_gdata,
int len = 0, type = 0;
unsigned char *plen;

- pr_debug("%s", __func__);
/* Decode received bytes here */
ptr = data;
if (unlikely(ptr == NULL)) {
- pr_err(" received null from TTY ");
+ dev_err(&kim_gdata->kim_pdev->dev, "Received null from TTY");
return;
}

@@ -149,7 +144,6 @@ void kim_int_recv(struct kim_data_s *kim_gdata,
switch (kim_gdata->rx_state) {
/* Waiting for complete packet ? */
case ST_W4_DATA:
- pr_debug("Complete pkt received");
validate_firmware_response(kim_gdata);
kim_gdata->rx_state = ST_W4_PACKET_TYPE;
kim_gdata->rx_skb = NULL;
@@ -158,11 +152,10 @@ void kim_int_recv(struct kim_data_s *kim_gdata,
case ST_W4_HEADER:
plen =
(unsigned char *)&kim_gdata->rx_skb->data[1];
- pr_debug("event hdr: plen 0x%02x\n", *plen);
kim_check_data_len(kim_gdata, *plen);
continue;
- } /* end of switch */
- } /* end of if rx_state */
+ }
+ }
switch (*ptr) {
/* Bluetooth event packet? */
case 0x04:
@@ -171,7 +164,6 @@ void kim_int_recv(struct kim_data_s *kim_gdata,
type = *ptr;
break;
default:
- pr_info("unknown packet");
ptr++;
count--;
continue;
@@ -181,7 +173,8 @@ void kim_int_recv(struct kim_data_s *kim_gdata,
kim_gdata->rx_skb =
alloc_skb(1024+8, GFP_ATOMIC);
if (!kim_gdata->rx_skb) {
- pr_err("can't allocate mem for new packet");
+ dev_err(&kim_gdata->kim_pdev->dev, "%s: Can't allocate mem for "
+ "new packet", __func__);
kim_gdata->rx_state = ST_W4_PACKET_TYPE;
kim_gdata->rx_count = 0;
return;
@@ -199,17 +192,15 @@ static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)
unsigned short version = 0, chip = 0, min_ver = 0, maj_ver = 0;
const char read_ver_cmd[] = { 0x01, 0x01, 0x10, 0x00 };

- pr_debug("%s", __func__);
-
INIT_COMPLETION(kim_gdata->kim_rcvd);
- if (4 != st_int_write(kim_gdata->core_data, read_ver_cmd, 4)) {
- pr_err("kim: couldn't write 4 bytes");
+ if (st_int_write(kim_gdata->core_data, read_ver_cmd, 4) != 4) {
+ dev_err(&kim_gdata->kim_pdev->dev, "Failed to write 4 bytes");
return -EIO;
}

if (!wait_for_completion_timeout
(&kim_gdata->kim_rcvd, msecs_to_jiffies(CMD_RESP_TIME))) {
- pr_err(" waiting for ver info- timed out ");
+ dev_err(&kim_gdata->kim_pdev->dev, "Time out waiting for ver info");
return -ETIMEDOUT;
}
INIT_COMPLETION(kim_gdata->kim_rcvd);
@@ -232,7 +223,6 @@ static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)
kim_gdata->version.maj_ver = maj_ver;
kim_gdata->version.min_ver = min_ver;

- pr_info("%s", bts_scr_name);
return 0;
}

@@ -245,14 +235,14 @@ void skip_change_remote_baud(unsigned char **ptr, long *len)
((struct bts_action *) cur_action)->size;

if (((struct bts_action *) nxt_action)->type != ACTION_WAIT_EVENT) {
- pr_err("invalid action after change remote baud command");
+ pr_debug("Invalid action after change remote baud command");
} else {
*ptr = *ptr + sizeof(struct bts_action) +
((struct bts_action *)cur_action)->size;
*len = *len - (sizeof(struct bts_action) +
((struct bts_action *)cur_action)->size);
/* warn user on not commenting these in firmware */
- pr_warn("skipping the wait event of change remote baud");
+ pr_debug("Skipping the wait event of change remote baud");
}
}

@@ -274,7 +264,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)

err = read_local_version(kim_gdata, bts_scr_name);
if (err != 0) {
- pr_err("kim: failed to read local ver");
+ dev_err(&kim_gdata->kim_pdev->dev, "Failed to read local ver");
return err;
}
err =
@@ -282,7 +272,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)
&kim_gdata->kim_pdev->dev);
if (unlikely((err != 0) || (kim_gdata->fw_entry->data == NULL) ||
(kim_gdata->fw_entry->size == 0))) {
- pr_err(" request_firmware failed(errno %ld) for %s", err,
+ dev_err(&kim_gdata->kim_pdev->dev, "Firmware download failed for %s",
bts_scr_name);
return -EINVAL;
}
@@ -295,21 +285,14 @@ static long download_firmware(struct kim_data_s *kim_gdata)
len -= sizeof(struct bts_header);

while (len > 0 && ptr) {
- pr_debug(" action size %d, type %d ",
- ((struct bts_action *)ptr)->size,
- ((struct bts_action *)ptr)->type);
-
switch (((struct bts_action *)ptr)->type) {
case ACTION_SEND_COMMAND: /* action send */
- pr_debug("S");
action_ptr = &(((struct bts_action *)ptr)->data[0]);
if (unlikely
(((struct hci_command *)action_ptr)->opcode ==
0xFF36)) {
/* ignore remote change
* baud rate HCI VS command */
- pr_warn("change remote baud"
- " rate command in firmware");
skip_change_remote_baud(&ptr, &len);
break;
}
@@ -323,7 +306,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)
wr_room_space =
st_get_uart_wr_room(kim_gdata->core_data);
if (wr_room_space < 0) {
- pr_err("Unable to get free "
+ dev_err(&kim_gdata->kim_pdev->dev, "Unable to get free "
"space info from uart tx buffer");
release_firmware(kim_gdata->fw_entry);
return wr_room_space;
@@ -334,8 +317,8 @@ static long download_firmware(struct kim_data_s *kim_gdata)

/* Timeout happened ? */
if (time_after_eq(jiffies, timeout)) {
- pr_err("Timeout while waiting for free "
- "free space in uart tx buffer");
+ dev_err(&kim_gdata->kim_pdev->dev, "Timeout while waiting"
+ "for free free space in uart tx buffer");
release_firmware(kim_gdata->fw_entry);
return -ETIMEDOUT;
}
@@ -361,19 +344,19 @@ static long download_firmware(struct kim_data_s *kim_gdata)
* and requested command write size
*/
if (err != cmd_size) {
- pr_err("Number of bytes written to uart "
- "tx buffer are not matching with "
+ dev_err(&kim_gdata->kim_pdev->dev, "Number of bytes written "
+ "to uart tx buffer are not matching with "
"requested cmd write size");
release_firmware(kim_gdata->fw_entry);
return -EIO;
}
break;
case ACTION_WAIT_EVENT: /* wait */
- pr_debug("W");
if (!wait_for_completion_timeout
(&kim_gdata->kim_rcvd,
msecs_to_jiffies(CMD_RESP_TIME))) {
- pr_err("response timeout during fw download ");
+ dev_err(&kim_gdata->kim_pdev->dev, "Response timeout during "
+ "fw download");
/* timed out */
release_firmware(kim_gdata->fw_entry);
return -ETIMEDOUT;
@@ -381,7 +364,6 @@ static long download_firmware(struct kim_data_s *kim_gdata)
INIT_COMPLETION(kim_gdata->kim_rcvd);
break;
case ACTION_DELAY: /* sleep */
- pr_info("sleep command in scr");
action_ptr = &(((struct bts_action *)ptr)->data[0]);
mdelay(((struct bts_action_delay *)action_ptr)->msec);
break;
@@ -393,6 +375,8 @@ static long download_firmware(struct kim_data_s *kim_gdata)
ptr + sizeof(struct bts_action) +
((struct bts_action *)ptr)->size;
}
+
+ dev_info(&kim_gdata->kim_pdev->dev, "Loaded %s firmware", bts_scr_name);
/* fw download complete */
release_firmware(kim_gdata->fw_entry);
return 0;
@@ -446,7 +430,6 @@ long st_kim_start(void *kim_data)
struct ti_st_plat_data *pdata;
struct kim_data_s *kim_gdata = (struct kim_data_s *)kim_data;

- pr_info(" %s", __func__);
pdata = kim_gdata->kim_pdev->dev.platform_data;

do {
@@ -463,26 +446,24 @@ long st_kim_start(void *kim_data)
INIT_COMPLETION(kim_gdata->ldisc_installed);
/* send notification to UIM */
kim_gdata->ldisc_install = 1;
- pr_info("ldisc_install = 1");
- sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
- NULL, "install");
+ sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, NULL, "install");
/* wait for ldisc to be installed */
err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,
msecs_to_jiffies(LDISC_TIME));
if (!err) {
/* ldisc installation timeout,
* flush uart, power cycle BT_EN */
- pr_err("ldisc installation timeout");
+ dev_err(&kim_gdata->kim_pdev->dev, "Ldisc installation timeout");
err = st_kim_stop(kim_gdata);
continue;
} else {
/* ldisc installed now */
- pr_info("line discipline installed");
+ dev_info(&kim_gdata->kim_pdev->dev, "Line discipline installed");
err = download_firmware(kim_gdata);
if (err != 0) {
/* ldisc installed but fw download failed,
* flush uart & power cycle BT_EN */
- pr_err("download firmware failed");
+ dev_err(&kim_gdata->kim_pdev->dev, "Download firmware failed");
err = st_kim_stop(kim_gdata);
continue;
} else { /* on success don't retry */
@@ -521,7 +502,6 @@ long st_kim_stop(void *kim_data)
}

/* send uninstall notification to UIM */
- pr_info("ldisc_install = 0");
kim_gdata->ldisc_install = 0;
sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, NULL, "install");

@@ -529,7 +509,7 @@ long st_kim_stop(void *kim_data)
err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,
msecs_to_jiffies(LDISC_TIME));
if (!err) { /* timeout */
- pr_err(" timed out waiting for ldisc to be un-installed");
+ dev_err(&kim_gdata->kim_pdev->dev, "Timed out waiting for ldisc to be un-installed");
return -ETIMEDOUT;
}

@@ -718,14 +698,14 @@ static int kim_probe(struct platform_device *pdev)

kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC);
if (!kim_gdata) {
- pr_err("no mem to allocate");
+ dev_err(&pdev->dev, "%s: No mem to allocate", __func__);
return -ENOMEM;
}
dev_set_drvdata(&pdev->dev, kim_gdata);

status = st_core_init(&kim_gdata->core_data);
if (status != 0) {
- pr_err(" ST core init failed");
+ dev_err(&pdev->dev, "ST core init failed");
return -EIO;
}
/* refer to itself */
@@ -735,14 +715,14 @@ static int kim_probe(struct platform_device *pdev)
kim_gdata->nshutdown = pdata->nshutdown_gpio;
status = gpio_request(kim_gdata->nshutdown, "kim");
if (unlikely(status)) {
- pr_err(" gpio %ld request failed ", kim_gdata->nshutdown);
+ dev_err(&pdev->dev, "Gpio %ld request failed ", kim_gdata->nshutdown);
return status;
}

/* Configure nShutdown GPIO as output=0 */
status = gpio_direction_output(kim_gdata->nshutdown, 0);
if (unlikely(status)) {
- pr_err(" unable to configure gpio %ld", kim_gdata->nshutdown);
+ dev_err(&pdev->dev, "Unable to configure gpio %ld", kim_gdata->nshutdown);
return status;
}
/* get reference of pdev for request_firmware
@@ -753,7 +733,7 @@ static int kim_probe(struct platform_device *pdev)

status = sysfs_create_group(&pdev->dev.kobj, &uim_attr_grp);
if (status) {
- pr_err("failed to create sysfs entries");
+ dev_err(&pdev->dev, "Failed to create sysfs entries");
return status;
}

@@ -761,11 +741,11 @@ static int kim_probe(struct platform_device *pdev)
strncpy(kim_gdata->dev_name, pdata->dev_name, UART_DEV_NAME_LEN);
kim_gdata->flow_cntrl = pdata->flow_cntrl;
kim_gdata->baud_rate = pdata->baud_rate;
- pr_info("sysfs entries created\n");
+ dev_info(&pdev->dev, "sysfs entries created\n");

kim_debugfs_dir = debugfs_create_dir("ti-st", NULL);
if (IS_ERR(kim_debugfs_dir)) {
- pr_err(" debugfs entries creation failed ");
+ dev_err(&pdev->dev, "Failed to create debugfs entries");
kim_debugfs_dir = NULL;
return -EIO;
}
@@ -774,7 +754,7 @@ static int kim_probe(struct platform_device *pdev)
kim_gdata, &version_debugfs_fops);
debugfs_create_file("protocols", S_IRUGO, kim_debugfs_dir,
kim_gdata, &list_debugfs_fops);
- pr_info(" debugfs entries created ");
+ dev_info(&pdev->dev, "debugfs entries created");
return 0;
}

@@ -790,11 +770,11 @@ static int kim_remove(struct platform_device *pdev)
* nShutdown gpio from the system
*/
gpio_free(pdata->nshutdown_gpio);
- pr_info("nshutdown GPIO Freed");
+ dev_info(&pdev->dev, "nshutdown GPIO Freed");

debugfs_remove_recursive(kim_debugfs_dir);
sysfs_remove_group(&pdev->dev.kobj, &uim_attr_grp);
- pr_info("sysfs entries removed");
+ dev_info(&pdev->dev, "sysfs entries removed");

kim_gdata->kim_pdev = NULL;
st_core_exit(kim_gdata->core_data);
diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c
index 1ff460a..0f502d4 100644
--- a/drivers/misc/ti-st/st_ll.c
+++ b/drivers/misc/ti-st/st_ll.c
@@ -19,7 +19,6 @@
*
*/

-#define pr_fmt(fmt) "(stll) :" fmt
#include <linux/skbuff.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -30,8 +29,6 @@
static void send_ll_cmd(struct st_data_s *st_data,
unsigned char cmd)
{
-
- pr_debug("%s: writing %x", __func__, cmd);
st_int_write(st_data, &cmd, 1);
return;
}
@@ -41,7 +38,6 @@ static void ll_device_want_to_sleep(struct st_data_s *st_data)
struct kim_data_s *kim_data;
struct ti_st_plat_data *pdata;

- pr_debug("%s", __func__);
/* sanity check */
if (st_data->ll_state != ST_LL_AWAKE)
pr_err("ERR hcill: ST_LL_GO_TO_SLEEP_IND"
@@ -70,15 +66,15 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data)
break;
case ST_LL_ASLEEP_TO_AWAKE:
/* duplicate wake_ind */
- pr_err("duplicate wake_ind while waiting for Wake ack");
+ pr_debug("duplicate wake_ind while waiting for Wake ack");
break;
case ST_LL_AWAKE:
/* duplicate wake_ind */
- pr_err("duplicate wake_ind already AWAKE");
+ pr_debug("duplicate wake_ind already AWAKE");
break;
case ST_LL_AWAKE_TO_ASLEEP:
/* duplicate wake_ind */
- pr_err("duplicate wake_ind");
+ pr_debug("duplicate wake_ind");
break;
}
/* update state */
@@ -116,14 +112,13 @@ void st_ll_wakeup(struct st_data_s *ll)
ll->ll_state = ST_LL_ASLEEP_TO_AWAKE;
} else {
/* don't send the duplicate wake_indication */
- pr_err(" Chip already AWAKE ");
+ pr_debug("Chip already AWAKE");
}
}

/* called when ST Core wants the state */
unsigned long st_ll_getstate(struct st_data_s *ll)
{
- pr_debug(" returning state %ld", ll->ll_state);
return ll->ll_state;
}

@@ -137,7 +132,7 @@ unsigned long st_ll_sleep_state(struct st_data_s *st_data,
ll_device_want_to_sleep(st_data);
break;
case LL_SLEEP_ACK: /* sleep ack */
- pr_err("sleep ack rcvd: host shouldn't");
+ pr_debug("sleep ack rcvd: host shouldn't");
break;
case LL_WAKE_UP_IND: /* wake ind */
pr_debug("wake indication recvd");
@@ -148,7 +143,7 @@ unsigned long st_ll_sleep_state(struct st_data_s *st_data,
st_data->ll_state = ST_LL_AWAKE;
break;
default:
- pr_err(" unknown input/state ");
+ pr_err("unknown input/state");
return -EINVAL;
}
return 0;
--
1.7.4.1

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