net: airoha: honor reset return value in airoha_hw_init()

Take into account return value from reset_control_bulk_assert and
reset_control_bulk_deassert routines in airoha_hw_init().
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/f49dc04a87653e0155f4fab3e3eb584785c8ad6a.1722699555.git.lorenzo@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mediatek/airoha_eth.c

@@ -2071,13 +2071,21 @@ static int airoha_hw_init(struct platform_device *pdev,
 	int err, i;
 
 	/* disable xsi */
-	reset_control_bulk_assert(ARRAY_SIZE(eth->xsi_rsts), eth->xsi_rsts);
+	err = reset_control_bulk_assert(ARRAY_SIZE(eth->xsi_rsts),
+					eth->xsi_rsts);
+	if (err)
+		return err;
+
+	err = reset_control_bulk_assert(ARRAY_SIZE(eth->rsts), eth->rsts);
+	if (err)
+		return err;
 
-	reset_control_bulk_assert(ARRAY_SIZE(eth->rsts), eth->rsts);
-	msleep(20);
-	reset_control_bulk_deassert(ARRAY_SIZE(eth->rsts), eth->rsts);
 	msleep(20);
+	err = reset_control_bulk_deassert(ARRAY_SIZE(eth->rsts), eth->rsts);
+	if (err)
+		return err;
 
+	msleep(20);
 	err = airoha_fe_init(eth);
 	if (err)
 		return err;