Hi Felipe,
Here are the hibernation patches, as promised.
The first two patches are cleanups/fixes for some things I
found while implementing this, not strictly hibernation
related. The third patch prepares the existing code for
hibernation support without actually adding the hibernation
code. The fourth patch adds the hibernation code itself.
The fourth patch contains a description of how the DWC USB3
hibernation mode works. It also lists a few things that are not
implemented yet. I will be following up with patches for those
once this series gets the go-ahead.
One thing I am not sure of, is the way I implemented the two
platform-specific hibernation routines. They need to be selected
by the bus glue code, since that's the only thing that knows what
platform we're on. But we don't have a 'struct dwc3' at that
point, so we can't pass in pointers to the routines to the core
code. So I created two global function pointers in the core code
that are exported with EXPORT_SYMBOL_GPL, and are filled in by
the bus glue code. If there is a better way to do that please let
me know.
Also, I had to rename a couple of the existing source files, see
the third patch for the reason why.
Paul Zimmerman (4):
usb: dwc3: clean up whitespace damage, typos, missing parens, etc.
usb: dwc3: a few fixes/improvements
usb: dwc3: first part of hibernation support
usb: dwc3: second part of hibernation support
drivers/usb/dwc3/Kconfig | 6 +
drivers/usb/dwc3/Makefile | 8 +-
drivers/usb/dwc3/core.c | 77 ++-
drivers/usb/dwc3/core.h | 208 +++++--
drivers/usb/dwc3/{dwc3-omap.c => dwc3_omap.c} | 2 +-
drivers/usb/dwc3/{dwc3-pci.c => dwc3_pci.c} | 14 +-
drivers/usb/dwc3/ep0.c | 8 +-
drivers/usb/dwc3/gadget.c | 493 ++++++++++----
drivers/usb/dwc3/gadget.h | 17 +
drivers/usb/dwc3/haps_pwrctl.c | 145 ++++
drivers/usb/dwc3/haps_pwrctl.h | 51 ++
drivers/usb/dwc3/hibernate.c | 896 +++++++++++++++++++++++++
drivers/usb/dwc3/hibernate.h | 126 ++++
13 files changed, 1847 insertions(+), 204 deletions(-)
rename drivers/usb/dwc3/{dwc3-omap.c => dwc3_omap.c} (99%)
rename drivers/usb/dwc3/{dwc3-pci.c => dwc3_pci.c} (94%)
create mode 100644 drivers/usb/dwc3/haps_pwrctl.c
create mode 100644 drivers/usb/dwc3/haps_pwrctl.h
create mode 100644 drivers/usb/dwc3/hibernate.c
create mode 100644 drivers/usb/dwc3/hibernate.h
--
1.7.4.4
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