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When DIRECT_IRQ_EN is set, the pin is routed directly to the IO-APIC bypassing the GPIO driver completely. However, the mask register is still used to determine if the pin is supposed to generate IRQ or not. So with commit3ae02c14d9the IRQ core masks all IRQs (because of handle_bad_irq()) the pin connected to the touchscreen gets masked as well and hence no interrupts. To make this all work as expected we do not add those GPIOs to the IRQ domain that can actually propagate interrupts. Fixes:3ae02c14d9("pinctrl: intel: set default handler to be handle_bad_irq()") Reported-by: Robert R. Howell <rhowell@uwyo.edu> Suggested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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.