hwmon/pc87360 separate alarm files: add dev_dbg help

temp and vin status register values may be set by chip specifications, set
again by bios, or by this previously loaded driver.  Debug output nicely
displays modprobe init=\d actions.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 7153b63..6804a35 100644 (file)
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -1290,10 +1290,11 @@ static void pc87360_init_device(struct platform_device *pdev,
 
        nr = data->innr < 11 ? data->innr : 11;
        for (i = 0; i < nr; i++) {
+               reg = pc87360_read_value(data, LD_IN, i,
+                                        PC87365_REG_IN_STATUS);
+               dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg);
                if (init >= init_in[i]) {
                        /* Forcibly enable voltage channel */
-                       reg = pc87360_read_value(data, LD_IN, i,
-                                                PC87365_REG_IN_STATUS);
                        if (!(reg & CHAN_ENA)) {
                                dev_dbg(&pdev->dev, "Forcibly "
                                        "enabling in%d\n", i);
@@ -1306,18 +1307,23 @@ static void pc87360_init_device(struct platform_device *pdev,
 
        /* We can't blindly trust the Super-I/O space configuration bit,
           most BIOS won't set it properly */
+       dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
        for (i = 11; i < data->innr; i++) {
                reg = pc87360_read_value(data, LD_IN, i,
                                         PC87365_REG_TEMP_STATUS);
                use_thermistors = use_thermistors || (reg & CHAN_ENA);
+               /* thermistors are temp[4-6], measured on vin[11-14] */
+               dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg);
        }
+       dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors);
 
        i = use_thermistors ? 2 : 0;
        for (; i < data->tempnr; i++) {
+               reg = pc87360_read_value(data, LD_TEMP, i,
+                                        PC87365_REG_TEMP_STATUS);
+               dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg);
                if (init >= init_temp[i]) {
                        /* Forcibly enable temperature channel */
-                       reg = pc87360_read_value(data, LD_TEMP, i,
-                                                PC87365_REG_TEMP_STATUS);
                        if (!(reg & CHAN_ENA)) {
                                dev_dbg(&pdev->dev, "Forcibly "
                                        "enabling temp%d\n", i+1);
@@ -1359,6 +1365,7 @@ static void pc87360_init_device(struct platform_device *pdev,
        if (data->innr) {
                reg = pc87360_read_value(data, LD_IN, NO_BANK,
                                         PC87365_REG_IN_CONFIG);
+               dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
                if (reg & CHAN_ENA) {
                        dev_dbg(&pdev->dev, "Forcibly "
                                "enabling monitoring (VLM)\n");
@@ -1371,6 +1378,7 @@ static void pc87360_init_device(struct platform_device *pdev,
        if (data->tempnr) {
                reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
                                         PC87365_REG_TEMP_CONFIG);
+               dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
                if (reg & CHAN_ENA) {
                        dev_dbg(&pdev->dev, "Forcibly enabling "
                                "monitoring (TMS)\n");