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Message-ID: <5341B999.3050206@infradead.org> Date: Sun, 06 Apr 2014 13:31:21 -0700 From: Randy Dunlap <rdunlap@...radead.org> To: Larry Finger <Larry.Finger@...inger.net>, LKML <linux-kernel@...r.kernel.org> Subject: Re: Kconfig circular dependency question On 04/06/2014 12:49 PM, Larry Finger wrote: > A kernel build is reporting the following: > > net/rfkill/Kconfig:4:error: recursive dependency detected! > net/rfkill/Kconfig:4: symbol RFKILL is selected by R8723AU > drivers/staging/rtl8723au/Kconfig:1: symbol R8723AU depends on USB > drivers/usb/Kconfig:41: symbol USB is selected by MOUSE_APPLETOUCH > drivers/input/mouse/Kconfig:162: symbol MOUSE_APPLETOUCH depends on INPUT > drivers/input/Kconfig:8: symbol INPUT is selected by ACPI_CMPC > drivers/platform/x86/Kconfig:635: symbol ACPI_CMPC depends on RFKILL > > What is the recommended way to avoid this circularity? Of course, R8723AU could select USB rather than depending on it, but that does not seem quite right. I don't know if it will fix the problem, but Linus has spoken (written) against selecting subsystems, like INPUT or USB. Does changing ACPI_CMPC to depend on INPUT instead of select INPUT help? and/or changing MOUSE_APPLETOUCH to depend on USB instead of select it? -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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