ieee820154: remove valid page and channel checks

This patch removes validation of page and channel while setting from
driver layer. This is already handled by nl802154 and mac802154.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index ebcbeb3a..f9e3bce 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1047,23 +1047,11 @@
 	struct at86rf230_local *lp = hw->priv;
 	int rc;
 
-	if (page > 31 ||
-	    !(lp->hw->phy->channels_supported[page] & BIT(channel))) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
 	rc = lp->data->set_channel(lp, page, channel);
-	if (rc < 0)
-		return rc;
-
 	/* Wait for PLL */
 	usleep_range(lp->data->t_channel_switch,
 		     lp->data->t_channel_switch + 10);
-	hw->phy->current_channel = channel;
-	hw->phy->current_page = page;
-
-	return 0;
+	return rc;
 }
 
 static int
diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c
index 6e62286..96947d7 100644
--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -58,9 +58,6 @@
 {
 	pr_debug("set channel to %d\n", channel);
 
-	hw->phy->current_page = page;
-	hw->phy->current_channel = channel;
-
 	return 0;
 }