We have nice dynamic debug framework to enable or disable debug messaging at
run time. So, instead of an additional module parameter let's use that framework
and call dev_dbg() unconditionally in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
drivers/hid/i2c-hid/i2c-hid.c | 59 ++++++++++++++++++-------------------------
1 file changed, 24 insertions(+), 35 deletions(-)
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 05d4f96..5f50fc7 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -47,17 +47,6 @@
#define I2C_HID_PWR_ON 0x00
#define I2C_HID_PWR_SLEEP 0x01
-/* debug option */
-static bool debug;
-module_param(debug, bool, 0444);
-MODULE_PARM_DESC(debug, "print a lot of debug information");
-
-#define i2c_hid_dbg(ihid, fmt, arg...) \
-do { \
- if (debug) \
- dev_printk(KERN_DEBUG, &(ihid)->client->dev, fmt, ##arg); \
-} while (0)
-
struct i2c_hid_desc {
__le16 wHIDDescLength;
__le16 bcdVersion;
@@ -177,7 +166,7 @@ static int __i2c_hid_command(struct i2c_client *client,
memcpy(cmd->data + length, args, args_len);
length += args_len;
- i2c_hid_dbg(ihid, "%s: cmd=%*ph\n", __func__, length, cmd->data);
+ dev_dbg(&client->dev, "%s: cmd=%*ph\n", __func__, length, cmd->data);
msg[0].addr = client->addr;
msg[0].flags = client->flags & I2C_M_TEN;
@@ -207,12 +196,12 @@ static int __i2c_hid_command(struct i2c_client *client,
ret = 0;
if (wait) {
- i2c_hid_dbg(ihid, "%s: waiting...\n", __func__);
+ dev_dbg(&client->dev, "%s: waiting...\n", __func__);
if (!wait_event_timeout(ihid->wait,
!test_bit(I2C_HID_RESET_PENDING, &ihid->flags),
msecs_to_jiffies(5000)))
ret = -ENODATA;
- i2c_hid_dbg(ihid, "%s: finished.\n", __func__);
+ dev_dbg(&client->dev, "%s: finished.\n", __func__);
}
return ret;
@@ -235,7 +224,7 @@ static int i2c_hid_get_report(struct i2c_client *client, u8
reportType,
int args_len = 0;
u16 readRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
- i2c_hid_dbg(ihid, "%s\n", __func__);
+ dev_dbg(&client->dev, "%s\n", __func__);
if (reportID >= 0x0F) {
args[args_len++] = reportID;
@@ -276,7 +265,7 @@ static int i2c_hid_set_report(struct i2c_client *client, u8
reportType,
size /* args */;
int index = 0;
- i2c_hid_dbg(ihid, "%s\n", __func__);
+ dev_dbg(&client->dev, "%s\n", __func__);
if (reportID >= 0x0F) {
args[index++] = reportID;
@@ -316,10 +305,9 @@ static int i2c_hid_set_report(struct i2c_client *client,
u8 reportType,
static int i2c_hid_set_power(struct i2c_client *client, int power_state)
{
- struct i2c_hid *ihid = i2c_get_clientdata(client);
int ret;
- i2c_hid_dbg(ihid, "%s\n", __func__);
+ dev_dbg(&client->dev, "%s\n", __func__);
ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,
0, NULL, 0, NULL, 0);
@@ -331,16 +319,15 @@ static int i2c_hid_set_power(struct i2c_client *client,
int power_state)
static int i2c_hid_hwreset(struct i2c_client *client)
{
- struct i2c_hid *ihid = i2c_get_clientdata(client);
int ret;
- i2c_hid_dbg(ihid, "%s\n", __func__);
+ dev_dbg(&client->dev, "%s\n", __func__);
ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
if (ret)
return ret;
- i2c_hid_dbg(ihid, "resetting...\n");
+ dev_dbg(&client->dev, "resetting...\n");
ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0);
if (ret) {
@@ -354,15 +341,16 @@ static int i2c_hid_hwreset(struct i2c_client *client)
static void i2c_hid_get_input(struct i2c_hid *ihid)
{
+ struct i2c_client *client = ihid->client;
int ret, ret_size;
int size = le16_to_cpu(ihid->hdesc.wMaxInputLength);
- ret = i2c_master_recv(ihid->client, ihid->inbuf, size);
+ ret = i2c_master_recv(client, ihid->inbuf, size);
if (ret != size) {
if (ret < 0)
return;
- dev_err(&ihid->client->dev, "%s: got %d data instead of %d\n",
+ dev_err(&client->dev, "%s: got %d data instead of %d\n",
__func__, ret, size);
return;
}
@@ -377,12 +365,12 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
}
if (ret_size > size) {
- dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
+ dev_err(&client->dev, "%s: incomplete report (%d/%d)\n",
__func__, size, ret_size);
return;
}
- i2c_hid_dbg(ihid, "input: %*ph\n", ret_size, ihid->inbuf);
+ dev_dbg(&client->dev, "input: %*ph\n", ret_size, ihid->inbuf);
if (test_bit(I2C_HID_STARTED, &ihid->flags))
hid_input_report(ihid->hid, HID_INPUT_REPORT, ihid->inbuf + 2,
@@ -423,7 +411,8 @@ static void i2c_hid_init_report(struct hid_report *report,
u8 *buffer,
report->id, buffer, size))
return;
- i2c_hid_dbg(ihid, "report (len=%d): %*ph\n", size, size, ihid->inbuf);
+ dev_dbg(&client->dev, "report (len=%d): %*ph\n", size,
+ size, ihid->inbuf);
ret_size = buffer[0] | (buffer[1] << 8);
@@ -618,7 +607,7 @@ static int i2c_hid_parse(struct hid_device *hid)
int ret;
int tries = 3;
- i2c_hid_dbg(ihid, "entering %s\n", __func__);
+ dev_dbg(&client->dev, "entering %s\n", __func__);
rsize = le16_to_cpu(hdesc->wReportDescLength);
if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
@@ -642,7 +631,7 @@ static int i2c_hid_parse(struct hid_device *hid)
return -ENOMEM;
}
- i2c_hid_dbg(ihid, "asking HID report descriptor\n");
+ dev_dbg(&client->dev, "asking HID report descriptor\n");
ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize);
if (ret) {
@@ -651,7 +640,7 @@ static int i2c_hid_parse(struct hid_device *hid)
return -EIO;
}
- i2c_hid_dbg(ihid, "Report Descriptor: %*ph\n", rsize, rdesc);
+ dev_dbg(&client->dev, "Report Descriptor: %*ph\n", rsize, rdesc);
ret = hid_parse_report(hid, rdesc, rsize);
kfree(rdesc);
@@ -741,10 +730,9 @@ static void i2c_hid_close(struct hid_device *hid)
static int i2c_hid_power(struct hid_device *hid, int lvl)
{
struct i2c_client *client = hid->driver_data;
- struct i2c_hid *ihid = i2c_get_clientdata(client);
int ret = 0;
- i2c_hid_dbg(ihid, "%s lvl:%d\n", __func__, lvl);
+ dev_dbg(&client->dev, "%s lvl:%d\n", __func__, lvl);
switch (lvl) {
case PM_HINT_FULLON:
@@ -801,8 +789,8 @@ static int i2c_hid_fetch_hid_descriptor(struct i2c_hid
*ihid)
* bytes 2-3 -> bcdVersion (has to be 1.00) */
ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer, 4);
- i2c_hid_dbg(ihid, "%s, ihid->hdesc_buffer: %4ph\n", __func__,
- ihid->hdesc_buffer);
+ dev_dbg(&client->dev, "%s, ihid->hdesc_buffer: %4ph\n", __func__,
+ ihid->hdesc_buffer);
if (ret) {
dev_err(&client->dev,
@@ -832,7 +820,7 @@ static int i2c_hid_fetch_hid_descriptor(struct i2c_hid
*ihid)
return -ENODEV;
}
- i2c_hid_dbg(ihid, "Fetching the HID descriptor\n");
+ dev_dbg(&client->dev, "Fetching the HID descriptor\n");
ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer,
dsize);
@@ -841,7 +829,8 @@ static int i2c_hid_fetch_hid_descriptor(struct i2c_hid
*ihid)
return -ENODEV;
}
- i2c_hid_dbg(ihid, "HID Descriptor: %*ph\n", dsize, ihid->hdesc_buffer);
+ dev_dbg(&client->dev, "HID Descriptor: %*ph\n", dsize,
+ ihid->hdesc_buffer);
return 0;
}
--
1.8.4.rc0
--
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