[PATCH 1/3] gpio: stm32-gpio: prevent the use of the secure protected pins

Patrice CHOTARD patrice.chotard at foss.st.com
Tue Feb 24 14:22:10 CET 2026



On 2/24/26 10:21, Patrick DELAUNAY wrote:
> Hi,
> 
> On 2/5/26 09:07, Patrice Chotard wrote:
>> From: Fabien Dessenne <fabien.dessenne at foss.st.com>
>>
>> The hardware denies any access from the U-Boot non-secure world to the
>> secure-protected pins. Hence, prevent any driver to request such a pin.
>>
>> Signed-off-by: Fabien Dessenne <fabien.dessenne at foss.st.com>
>> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
>> ---
>>   drivers/gpio/stm32_gpio.c      | 25 +++++++++++++++++++++++++
>>   drivers/gpio/stm32_gpio_priv.h |  5 +++++
>>   2 files changed, 30 insertions(+)
>>
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> Patrick
> 
Applied to u-boot-stm32/master

Thanks
Patrice


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