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watchdog: ziirave_wdt: Log bootloader/firmware info during probe 

Log bootloader/firmware info during probe. This information is
available via sysfs already, but it's really helpful to have this in
kernel log during startup as well.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Rick Ramstetter <rick@anteaterllc.com>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190812200906.31344-6-andrew.smirnov@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Andrey Smirnov 2019-08-12 13:08:49 -07:00 committed by Wim Van Sebroeck
parent 39d0387d5e
commit 42abc12464
1 changed files with 15 additions and 3 deletions
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18
drivers/watchdog/ziirave_wdt.c
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@ -69,6 +69,9 @@ static char *ziirave_reasons[] = {"power cycle", "hw watchdog", NULL, NULL,
#define ZIIRAVE_CMD_JUMP_TO_BOOTLOADER 0x0c
#define ZIIRAVE_CMD_DOWNLOAD_PACKET 0x0e
#define ZIIRAVE_FW_VERSION_FMT "02.%02u.%02u"
#define ZIIRAVE_BL_VERSION_FMT "01.%02u.%02u"
struct ziirave_wdt_rev {
unsigned char major;
unsigned char minor;
@ -489,7 +492,7 @@ static ssize_t ziirave_wdt_sysfs_show_firm(struct device *dev,
if (ret)
return ret;
ret = sprintf(buf, "02.%02u.%02u", w_priv->firmware_rev.major,
ret = sprintf(buf, ZIIRAVE_FW_VERSION_FMT, w_priv->firmware_rev.major,
w_priv->firmware_rev.minor);
mutex_unlock(&w_priv->sysfs_mutex);
@ -512,7 +515,7 @@ static ssize_t ziirave_wdt_sysfs_show_boot(struct device *dev,
if (ret)
return ret;
ret = sprintf(buf, "01.%02u.%02u", w_priv->bootloader_rev.major,
ret = sprintf(buf, ZIIRAVE_BL_VERSION_FMT, w_priv->bootloader_rev.major,
w_priv->bootloader_rev.minor);
mutex_unlock(&w_priv->sysfs_mutex);
@ -579,7 +582,8 @@ static ssize_t ziirave_wdt_sysfs_store_firm(struct device *dev,
goto unlock_mutex;
}
dev_info(&client->dev, "Firmware updated to version 02.%02u.%02u\n",
dev_info(&client->dev,
"Firmware updated to version " ZIIRAVE_FW_VERSION_FMT "\n",
w_priv->firmware_rev.major, w_priv->firmware_rev.minor);
/* Restore the watchdog timeout */
@ -716,6 +720,10 @@ static int ziirave_wdt_probe(struct i2c_client *client,
return ret;
}
dev_info(&client->dev,
"Firmware version: " ZIIRAVE_FW_VERSION_FMT "\n",
w_priv->firmware_rev.major, w_priv->firmware_rev.minor);
ret = ziirave_wdt_revision(client, &w_priv->bootloader_rev,
ZIIRAVE_WDT_BOOT_VER_MAJOR);
if (ret) {
@ -723,6 +731,10 @@ static int ziirave_wdt_probe(struct i2c_client *client,
return ret;
}
dev_info(&client->dev,
"Bootloader version: " ZIIRAVE_BL_VERSION_FMT "\n",
w_priv->bootloader_rev.major, w_priv->bootloader_rev.minor);
w_priv->reset_reason = i2c_smbus_read_byte_data(client,
ZIIRAVE_WDT_RESET_REASON);
if (w_priv->reset_reason < 0) {