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pinctrl: nxp: scu: Check the pad partition before set pinmux

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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>
This commit is contained in:
Ye Li 2020-05-03 21:01:27 +08:00 committed by Stefano Babic
parent d19c1cb525
commit a6979f78bc
1 changed files with 7 additions and 2 deletions
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9
drivers/pinctrl/nxp/pinctrl-scu.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 NXP
* Copyright 2018-2019 NXP
*/
#include <common.h>
@ -29,6 +29,11 @@ static int imx_pinconf_scu_set(struct imx_pinctrl_soc_info *info, u32 pad,
* 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 @@ int imx_pinctrl_scu_conf_pins(struct imx_pinctrl_soc_info *info, u32 *pin_data,
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);
}