On 2012年08月15日 08:28, Greg Kroah-Hartman wrote: > On Tue, Jul 17, 2012 at 03:28:43PM -0700, Sarah Sharp wrote: >> --- a/drivers/usb/core/usb.h >> +++ b/drivers/usb/core/usb.h >> @@ -1,5 +1,9 @@ >> #include <linux/pm.h> >> >> +#ifdef CONFIG_ACPI >> +#include <linux/acpi.h> >> +#endif > > Why is this #ifdef in here? > If CONFIG_ACPI was not defined, the header file would be useless. So add #ifdef. Do this make sense?
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