R0dn3yS/android_kernel_xiaomi_sm7250
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pinctrl: msm: prevent access to GPIOs used by trustzone

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This commit is contained in:
spakkkk 2021-02-04 21:31:17 +00:00
parent 02b5845785
commit b66e866c6c
1 changed files with 11 additions and 1 deletions
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12
drivers/pinctrl/qcom/pinctrl-msm.c
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@ -1,5 +1,6 @@
/* /*
* Copyright (c) 2013, Sony Mobile Communications AB. * Copyright (c) 2013, Sony Mobile Communications AB.
* Copyright (C) 2021 XiaoMi, Inc.
* Copyright (c) 2013-2020, The Linux Foundation. All rights reserved. * Copyright (c) 2013-2020, The Linux Foundation. All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
@ -571,8 +572,16 @@ static void msm_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
unsigned gpio = chip->base; unsigned gpio = chip->base;
unsigned i; unsigned i;
for (i = 0; i < chip->ngpio; i++, gpio++) for (i = 0; i < chip->ngpio; i++, gpio++) {
/**
* bypass NFC SPI GPIO: 0~3 is NFC SE SPI
* bypass FP SPI GPIO: 59~62 is FP SPI
*/
if ((i < 4) || (i >= 59 && i <= 62)) {
continue;
}
msm_gpio_dbg_show_one(s, NULL, chip, i, gpio); msm_gpio_dbg_show_one(s, NULL, chip, i, gpio);
}
} }
#else #else
@ -1475,6 +1484,7 @@ static void msm_pinctrl_resume(void)
name = desc->action->name; name = desc->action->name;
pr_warn("%s: %d triggered %s\n", __func__, irq, name); pr_warn("%s: %d triggered %s\n", __func__, irq, name);
} }
} }
raw_spin_unlock_irqrestore(&pctrl->lock, flags); raw_spin_unlock_irqrestore(&pctrl->lock, flags);