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Currently all PMIC GPIO domain IRQs are consumed by the same device(bxt_wcove_gpio), so there is no need to export them as separate interrupts. We can just export only the first level GPIO IRQ(BXTWC_GPIO_LVL1_IRQ) as an IRQ resource and let the GPIO device driver(bxt_wcove_gpio) handle the GPIO sub domain IRQs based on status value of GPIO level2 interrupt status register. Also, just using only the first level IRQ will eliminate the bug involved in requesting only the second level IRQ and not explicitly enable the first level IRQ. For more info on this issue please read the details at, https://lkml.org/lkml/2017/2/27/148 This patch also makes relevant change in Whiskey cove GPIO driver to use only first level PMIC GPIO IRQ. Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Lee Jones <lee.jones@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.