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e855fa9a65
When using GPIO as IRQ source, the GPIO must be configured in INPUT. Callbacks dedicated for this was missing in pinctrl-st driver. This fix the following kernel error when trying to lock a gpio as IRQ: [ 7.521095] gpio gpiochip7: (PIO11): gpiochip_lock_as_irq: tried to flag a GPIO set as output for IRQ [ 7.526018] gpio gpiochip7: (PIO11): unable to lock HW IRQ 6 for IRQ [ 7.529405] genirq: Failed to request resources for 0-0053 (irq 81) on irqchip GPIO Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.