diff options
Diffstat (limited to 'drivers/watchdog/imxwd.c')
| -rw-r--r-- | drivers/watchdog/imxwd.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/watchdog/imxwd.c b/drivers/watchdog/imxwd.c index e2c3b9f96e..77a3bd76ce 100644 --- a/drivers/watchdog/imxwd.c +++ b/drivers/watchdog/imxwd.c @@ -38,6 +38,7 @@ struct imx_wd { const struct imx_wd_ops *ops; struct restart_handler restart; bool ext_reset; + bool bigendian; }; #define to_imx_wd(h) container_of(h, struct imx_wd, wd) @@ -68,12 +69,18 @@ struct imx_wd { static void imxwd_write(struct imx_wd *priv, int reg, uint16_t val) { - writew(val, priv->base + reg); + if (priv->bigendian) + out_be16(priv->base + reg, val); + else + writew(val, priv->base + reg); } static uint16_t imxwd_read(struct imx_wd *priv, int reg) { - return readw(priv->base + reg); + if (priv->bigendian) + return in_be16(priv->base + reg); + else + return readw(priv->base + reg); } static int imx1_watchdog_set_timeout(struct imx_wd *priv, unsigned timeout) @@ -230,6 +237,7 @@ static int imx_wd_probe(struct device_d *dev) priv->wd.timeout_max = priv->ops->timeout_max; priv->wd.hwdev = dev; priv->dev = dev; + priv->bigendian = of_device_is_big_endian(dev->device_node); priv->ext_reset = of_property_read_bool(dev->device_node, "fsl,ext-reset-output"); |