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authorAndrey Smirnov <andrew.smirnov@gmail.com>2019-08-12 13:08:49 -0700
committerWim Van Sebroeck <wim@linux-watchdog.org>2019-09-17 08:59:04 +0200
commit42abc12464f74feb2e868fba439c713d56ef9573 (patch)
treeb60ff2b954bc9e7efee0c886212966b796c316a4 /drivers/watchdog
parent39d0387d5e5e9bbd1fd9cfaab19581939b05f1c8 (diff)
downloadlinux-42abc12464f74feb2e868fba439c713d56ef9573.tar.bz2
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>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/ziirave_wdt.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c
index a11b92383c5f..75c066602c00 100644
--- a/drivers/watchdog/ziirave_wdt.c
+++ b/drivers/watchdog/ziirave_wdt.c
@@ -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) {