On Mon, May 2, 2022 at 5:31 PM Fabien Dessenne <fabien.dessenne@xxxxxxxxxxx> wrote: > The hardware denies any access from the Linux non-secure world to the > secure-protected pins. Hence, prevent any driver to request such a pin. > > Mark the secure-protected GPIO lines as invalid (.init_valid_mask) and > prevent the pinmux request / pinconf setting operations. > Identify the secure pins with "NO ACCESS" in the pinconf sysfs. > > Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxxxxxxx> Patch applied! Yours, Linus Walleij
Re: [PATCH] pinctrl: stm32: prevent the use of the secure protected pins
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- Subject: Re: [PATCH] pinctrl: stm32: prevent the use of the secure protected pins
- From: Linus Walleij <linus.walleij@xxxxxxxxxx>
- Date: Thu, 5 May 2022 00:04:26 +0200
- In-reply-to: <20220502153114.283618-1-fabien.dessenne@foss.st.com>
- References: <20220502153114.283618-1-fabien.dessenne@foss.st.com>
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- From: Fabien Dessenne
- [PATCH] pinctrl: stm32: prevent the use of the secure protected pins
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