There are 2 improvements can be done to the EC driver to make system suspend/resume faster: 1. Automatically use busy polling mode when noirq is entered 2. Disallow event handling (SCI_EVT/_Qxx) during suspend/resume period
This patchset achieves such performance tuning on top of a recent workaround that creates ec_query_wq. Lv Zheng (2): ACPI / EC: Add PM operations to tune polling mode efficiency ACPI / EC: Add PM operations to block event handling drivers/acpi/ec.c | 199 ++++++++++++++++++++++++++++++++++++----------- drivers/acpi/internal.h | 3 +- drivers/acpi/sleep.c | 4 +- 3 files changed, 158 insertions(+), 48 deletions(-) -- 1.7.10
