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Currently we request the irq when probing, but never free it. So after unbind ec driver, this irq will be left requested, which would break the next bind: [ 2683.338437] genirq: Flags mismatch irq 64. 00002008 (chromeos-ec) vs. 00002008 (chromeos-ec) [ 2683.338591] cros-ec-spi spi5.0: request irq 64: error -16 [ 2683.338610] cros-ec-spi spi5.0: cannot register EC [ 2683.338656] cros-ec-spi: probe of spi5.0 failed with error -16 Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Lee Jones <lee.jones@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.