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watchdog: tangier: Replace unused constant with a comment

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The default timeout value had been left in order to leave some traces
about default setup of watchdog done by firmware.

For better understanding and compiler burden, replace it with a comment.

Suggested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Andy Shevchenko 2019-06-21 13:28:07 +03:00 committed by Bin Meng
parent 7ce74b70b9
commit 8b295a2026
1 changed files with 6 additions and 1 deletions
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7
drivers/watchdog/tangier_wdt.c
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@ -10,7 +10,12 @@
#define WDT_PRETIMEOUT 15
#define WDT_TIMEOUT_MIN (1 + WDT_PRETIMEOUT)
#define WDT_TIMEOUT_MAX 170
#define WDT_DEFAULT_TIMEOUT 90
/*
* Note, firmware chooses 90 seconds as a default timeout for watchdog on
* Intel Tangier SoC. It means that without handling it in the running code
* the reboot will happen.
*/
#ifndef CONFIG_WATCHDOG_TIMEOUT_MSECS
#define WATCHDOG_HEARTBEAT 60000