pinctrl: nxp: scu: Check the pad partition before set pinmux
If a pad is not owned by current partition we should not set its
pinmux.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/pinctrl/nxp/pinctrl-scu.c b/drivers/pinctrl/nxp/pinctrl-scu.c
index aa11075..c032be7 100644
--- a/drivers/pinctrl/nxp/pinctrl-scu.c
+++ b/drivers/pinctrl/nxp/pinctrl-scu.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright 2018 NXP
+ * Copyright 2018-2019 NXP
*/
#include <common.h>
@@ -29,6 +29,11 @@
* to handle that in scfw, so config it in pad conf func
*/
+ if (!sc_rm_is_pad_owned(-1, pad)) {
+ debug("Pad[%u] is not owned by curr partition\n", pad);
+ return -EPERM;
+ }
+
val |= PADRING_IFMUX_EN_MASK;
val |= PADRING_GP_EN_MASK;
val |= (mux << PADRING_IFMUX_SHIFT) & PADRING_IFMUX_MASK;
@@ -57,7 +62,7 @@
config_val = pin_data[j++];
ret = imx_pinconf_scu_set(info, pin_id, mux, config_val);
- if (ret)
+ if (ret && ret != -EPERM)
printf("Set pin %d, mux %d, val %d, error\n", pin_id,
mux, config_val);
}