diff options
Diffstat (limited to 'drivers/watchdog/imxwd.c')
| -rw-r--r-- | drivers/watchdog/imxwd.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/watchdog/imxwd.c b/drivers/watchdog/imxwd.c index 6b33834fe4..a66fae400c 100644 --- a/drivers/watchdog/imxwd.c +++ b/drivers/watchdog/imxwd.c @@ -28,6 +28,7 @@ struct imx_wd_ops { int (*set_timeout)(struct imx_wd *, unsigned); void (*soc_reset)(struct imx_wd *); int (*init)(struct imx_wd *); + unsigned int timeout_max; }; struct imx_wd { @@ -71,9 +72,6 @@ static int imx1_watchdog_set_timeout(struct imx_wd *priv, unsigned timeout) dev_dbg(priv->dev, "%s: %d\n", __func__, timeout); - if (timeout > 64) - return -EINVAL; - if (!timeout) { writew(IMX1_WDOG_WCR_WHALT, priv->base + IMX1_WDOG_WCR); return 0; @@ -102,9 +100,6 @@ static int imx21_watchdog_set_timeout(struct imx_wd *priv, unsigned timeout) dev_dbg(priv->dev, "%s: %d\n", __func__, timeout); - if (timeout > 128) - return -EINVAL; - if (timeout == 0) /* bit 2 (WDE) cannot be set to 0 again */ return -ENOSYS; @@ -218,6 +213,7 @@ static int imx_wd_probe(struct device_d *dev) priv->base = IOMEM(iores->start); priv->ops = ops; priv->wd.set_timeout = imx_watchdog_set_timeout; + priv->wd.timeout_max = priv->ops->timeout_max; priv->wd.hwdev = dev; priv->dev = dev; @@ -259,11 +255,13 @@ static const struct imx_wd_ops imx21_wd_ops = { .set_timeout = imx21_watchdog_set_timeout, .soc_reset = imx21_soc_reset, .init = imx21_wd_init, + .timeout_max = 128, }; static const struct imx_wd_ops imx1_wd_ops = { .set_timeout = imx1_watchdog_set_timeout, .soc_reset = imx1_soc_reset, + .timeout_max = 64, }; static __maybe_unused struct of_device_id imx_wdt_dt_ids[] = { |