On Monday, March 13, 2017 10:42:41 AM zhichang.yuan wrote: > In commit 40e7fcb1929(ACPI: Add _DEP support to fix battery issue on Asus > T100TA), the '_DEP' was supported to solve the dependency of Asus battery. But > this patch is specific to Asus battery device. > In the real world, there are other devices which need the dependency to play the > role on the enumeration order. For example, all the Hip06 LPC > periperals(IPMI-BT, uart, etc) must be scanned after the LPC host driver > finished the probing. So, it makes sense to add a checking whether the ACPI > device meet all the dependencies during its enumeration slot, if not, the > enumeration will be delayed till all dependency master finish their work. > > This patch adds the dependency checking in ACPI enumeration, also the > corresponding handling to retrigger the Hip06 LPC peripherals' scanning. AFAICS, _DEP is generally abused in the wild and cannot be made generic. Sorry. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html