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| author | Ashok Reddy Soma <ashok.reddy.soma@xilinx.com> | 2021-09-28 09:01:59 +0300 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2021-09-30 13:30:38 +0300 |
| commit | dced079c53b283e15f04282f405de410a9be584d (patch) | |
| tree | c390982c3927bfafa8d4294501f2889dc440544f /drivers/watchdog | |
| parent | 8c287ed8c3a392d2fd717054511b53851bce02f0 (diff) | |
| download | u-boot-dced079c53b283e15f04282f405de410a9be584d.tar.xz | |
watchdog: versal: Add support for expire now
Wdt expire command makes the wdt to count least possible ticks(1)
and expires immediately. Add expire_now option to the xlnx_wwdt_ops
and implement it by calling xlnx_wwdt_start() with minimum possible
count(1).
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Link: https://lore.kernel.org/r/1632808919-8600-3-git-send-email-ashok.reddy.soma@xilinx.com
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/xilinx_wwdt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/watchdog/xilinx_wwdt.c b/drivers/watchdog/xilinx_wwdt.c index d8b2ae7248..d582e3cc8f 100644 --- a/drivers/watchdog/xilinx_wwdt.c +++ b/drivers/watchdog/xilinx_wwdt.c @@ -144,6 +144,11 @@ static int xlnx_wwdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) return 0; } +static int xlnx_wwdt_expire_now(struct udevice *dev, ulong flags) +{ + return xlnx_wwdt_start(dev, XWT_WWDT_CNT_MIN, flags); +} + static int xlnx_wwdt_probe(struct udevice *dev) { int ret; @@ -182,6 +187,7 @@ static const struct wdt_ops xlnx_wwdt_ops = { .start = xlnx_wwdt_start, .reset = xlnx_wwdt_reset, .stop = xlnx_wwdt_stop, + .expire_now = xlnx_wwdt_expire_now, }; static const struct udevice_id xlnx_wwdt_ids[] = { |