2021-03-22 17:33:56

by Sandeep Maheswaram

[permalink] [raw]
Subject: [PATCH v5 0/4] USB DWC3 host wake up support from system suspend

Avoiding phy powerdown in host mode when wakeup capable devices are
connected, so that it can be wake up by devices.
Set GENPD_FLAG_ACTIVE_WAKEUP flag to keep usb30_prim gdsc active
when wakeup capable devices are connected to the host.

Changes in v5:
Added phy_power_off flag to check presence of wakeup capable devices.
Dropped patch[v4,4/5] as it is present linux-next.
Addressed comments in host.c and dwc3-qcom.c.

Changes in v4:
Addressed Matthias comments raised in v3.

Changes in v3:
Removed need_phy_for_wakeup flag and by default avoiding phy powerdown.
Addressed Matthias comments and added entry for DEV_SUPERSPEED.
Added suspend_quirk in dwc3 host and moved the dwc3_set_phy_speed_flags.
Added wakeup-source dt entry and reading in dwc-qcom.c glue driver.

Changes in v2:
Dropped the patch in clock to set GENPD_FLAG_ACTIVE_WAKEUP flag and
setting in usb dwc3 driver.
Separated the core patch and glue driver patch.
Made need_phy_for_wakeup flag part of dwc structure and
hs_phy_flags as unsgined int.
Adrressed the comment on device_init_wakeup call.
Corrected offset for reading portsc register.
Added pacth to support wakeup in xo shutdown case.

Sandeep Maheswaram (4):
usb: dwc3: core: Host wake up support from system suspend
usb: dwc3: host: Add suspend_quirk for dwc3 host
usb: dwc3: qcom: Configure wakeup interrupts and set genpd active
wakeup flag
arm64: dts: qcom: sc7180: Add wakeup-source property for USB node in
IDP and trogdor

arch/arm64/boot/dts/qcom/sc7180-idp.dts | 1 +
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 1 +
drivers/usb/dwc3/core.c | 8 ++-
drivers/usb/dwc3/core.h | 3 +
drivers/usb/dwc3/dwc3-qcom.c | 87 ++++++++++++++++++----------
drivers/usb/dwc3/host.c | 58 +++++++++++++++++++
6 files changed, 124 insertions(+), 34 deletions(-)

--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation