Messages in this thread Patch in this message | | | From | George Cherian <> | Subject | [PATCH v3] watchdog: sbsa_wdog: Make sure the timeout programming is within the limits | Date | Thu, 9 Feb 2023 02:11:17 +0000 |
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Make sure to honour the max_hw_heartbeat_ms while programming the timeout value to WOR. Clamp the timeout passed to sbsa_gwdt_set_timeout() to make sure the programmed value is within the permissible range.
Fixes: abd3ac7902fb ("watchdog: sbsa: Support architecture version 1")
Signed-off-by: George Cherian <george.cherian@marvell.com> --- drivers/watchdog/sbsa_gwdt.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c index 9791c74aebd4..63862803421f 100644 --- a/drivers/watchdog/sbsa_gwdt.c +++ b/drivers/watchdog/sbsa_gwdt.c @@ -150,6 +150,7 @@ static int sbsa_gwdt_set_timeout(struct watchdog_device *wdd, struct sbsa_gwdt *gwdt = watchdog_get_drvdata(wdd); wdd->timeout = timeout; + timeout = clamp_t(unsigned int, timeout, 1, wdd->max_hw_heartbeat_ms / 1000); if (action) sbsa_gwdt_reg_write(gwdt->clk * timeout, gwdt); -- 2.34.1
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