[RFC PATCH v2 03/12] drivers/base: Add system device hotplug framework
toshi.kani at hp.com
Thu Jan 31 12:48:55 EST 2013
On Tue, 2013-01-29 at 23:54 -0500, Greg KH wrote:
> On Thu, Jan 10, 2013 at 04:40:21PM -0700, Toshi Kani wrote:
> > Added sys_hotplug.c, which is the system device hotplug framework code.
> > shp_register_handler() allows modules to register their hotplug handlers
> > to the framework. shp_submit_req() provides the interface to submit
> > a hotplug or online/offline request of system devices. The request is
> > then put into hp_workqueue. shp_start_req() calls all registered handlers
> > in ascending order for each phase. If any handler failed in validate or
> > execute phase, shp_start_req() initiates its rollback procedure.
> > Signed-off-by: Toshi Kani <toshi.kani at hp.com>
> > ---
> > drivers/base/Makefile | 1
> > drivers/base/sys_hotplug.c | 313 ++++++++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 314 insertions(+)
> > create mode 100644 drivers/base/sys_hotplug.c
> > diff --git a/drivers/base/Makefile b/drivers/base/Makefile
> > index 5aa2d70..2e9b2f1 100644
> > --- a/drivers/base/Makefile
> > +++ b/drivers/base/Makefile
> > @@ -21,6 +21,7 @@ endif
> > obj-$(CONFIG_SYS_HYPERVISOR) += hypervisor.o
> > obj-$(CONFIG_REGMAP) += regmap/
> > obj-$(CONFIG_SOC_BUS) += soc.o
> > +obj-y += sys_hotplug.o
> No option to select this for systems that don't need it? If not, then
> put it up higher with all of the other code for the core.
It used to have CONFIG_HOTPLUG, but I removed it as you suggested. Yes,
I will put it up higher.
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