From: Pavan Kondeti <quic_pkondeti@quicinc.com>
To: Krishna Kurapati <quic_kriskura@quicinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>, Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Felipe Balbi <balbi@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Doug Anderson <dianders@chromium.org>,
"Matthias Kaehlcke" <mka@chromium.org>,
Mathias Nyman <mathias.nyman@intel.com>,
<devicetree@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-pm@vger.kernel.org>, <quic_pkondeti@quicinc.com>,
<quic_ppratap@quicinc.com>, <quic_vpulyala@quicinc.com>
Subject: Re: [PATCH v20 0/5] USB DWC3 host wake up support from system suspend
Date: Thu, 2 Jun 2022 18:39:05 +0530 [thread overview]
Message-ID: <20220602130905.GC2521@hu-pkondeti-hyd.qualcomm.com> (raw)
In-Reply-To: <1654158277-12921-1-git-send-email-quic_kriskura@quicinc.com>
On Thu, Jun 02, 2022 at 01:54:32PM +0530, Krishna Kurapati wrote:
> Avoiding phy powerdown in host mode when dwc3 is wakeup capable, so that
> it can be wake up by devices. Keep usb30_prim gdsc active to retain
> controller status during suspend/resume.
>
> Changes in v20:
> Fixed nitpicks in dwc3 qcom driver.
> Fixed code changes in dwc3 core driver.
>
> Changes in v19:
> Fixed dwc3 driver code changes.
>
> Changes in v18:
> Fixed minor nit picks in v17 reported by Matthias.
>
> Changes in v17:
> Moved the speed check to glue driver.
> Powering down phy's solely based on dwc3 wakeup capability.
> Configuring the interrupt functions appropriately.
>
> Changes in v16:
> Added changes to power down the phy's during suspend only if dwc3
> is not wakeup capable.
>
> Changes in v15:
> Added patch to enable wakeup for xhci-plat based on children wakeup status.
> Used device_wakeup_path instead of device_children_wakeup_capable
>
> Changes in v14:
> Added patch for device_children_wakeup_capable.
> Used device_children_wakeup_capable instead of usb_wakeup_enabled_descendants.
> Fixed minor nit picks in v13 reported by Matthias.
>
> Changes in v13:
> Moved the dt bindings patch to start.
> Changed dwc3_set_phy_speed_mode to dwc3_check_phy_speed_mode.
> Check wakep-source property for dwc3 core node to set the
> wakeup capability. Drop the device_init_wakeup call from
> runtime suspend and resume.
> Added GENPD_FLAG_RPM_ALWAYS_ON and set GENPD_FLAG_ALWAYS_ON if
> wakeup is supported.
>
> Changes in v12:
> Squashed PATCH 1/5 and 2/5 of v11.
> Added dt bindings and device tree entry for wakeup-source property
> for dwc3 core node.
> Dropped redundant phy_set_mode call.
>
>
> Changes in v11:
> Moving back to v8 version
> https://patchwork.kernel.org/project/linux-arm-msm/cover/1624882097-23265-1-git-send-email-sanm@codeaurora.org
> as we are getting interrupts during suspend
> when enabling both DP hs phy irq and DM hs phy irq.
> Moved the set phy mode function to dwc3/core.c from xhci-plat.c
> We didn't find any other option other than accessing xhci from dwc.
>
> Changes in v10:
> PATCH 1/6: Change device_set_wakeup_capable to device_set_wakeup_enable
> PATCH 2/6: Remove redundant else part in dwc3_resume_common
> PATCH 4/6: Change the irg flags
> PATCH 5/6: Set flag GENPD_FLAG_ALWAYS_ON
> PATCH 6/6: Remove disable interrupts function and enable
> interrupts in probe.
>
>
> Changes in v9:
> Checking with device_may_makeup property instead of phy_power_off flag.
> Changed the IRQ flags and removed hs_phy_mode variable.
>
> Changes in v8:
> Moved the dwc3 suspend quirk code in dwc3/host.c to xhci-plat.c
> Checking phy_power_off flag instead of usb_wakeup_enabled_descendants
> to keep gdsc active.
>
> Changes in v7:
> Change in commit text and message in PATCH 1/5 and PATCH 5/5
> as per Matthias suggestion.
> Added curly braces for if and else if sections in PATCH 4/5.
>
> Changes in v6:
> Addressed comments in host.c and core.c
> Separated the patches in dwc3-qcom.c to make it simple.
> Dropped wakeup-source change as it is not related to this series.
>
> 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 (5):
> dt-bindings: usb: dwc3: Add wakeup-source property support
> usb: dwc3: core: Host wake up support from system suspend
> usb: dwc3: qcom: Add helper functions to enable,disable wake irqs
> usb: dwc3: qcom: Configure wakeup interrupts during suspend
> usb: dwc3: qcom: Keep power domain on to retain controller status
>
> .../devicetree/bindings/usb/snps,dwc3.yaml | 5 +
> drivers/usb/dwc3/core.c | 9 +-
> drivers/usb/dwc3/dwc3-qcom.c | 140 +++++++++++++++------
> 3 files changed, 108 insertions(+), 46 deletions(-)
>
This series looks good to me. I think it is ready for merge unless Felipe has
any concerns.
Thanks,
Pavan
prev parent reply other threads:[~2022-06-02 13:09 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-02 8:24 [PATCH v20 0/5] USB DWC3 host wake up support from system suspend Krishna Kurapati
2022-06-02 8:24 ` [PATCH v20 1/5] dt-bindings: usb: dwc3: Add wakeup-source property support Krishna Kurapati
2022-06-02 8:24 ` [PATCH v20 2/5] usb: dwc3: core: Host wake up support from system suspend Krishna Kurapati
2022-06-02 19:35 ` Matthias Kaehlcke
2022-06-06 20:45 ` Matthias Kaehlcke
2022-06-13 18:08 ` Matthias Kaehlcke
2022-06-14 17:53 ` Matthias Kaehlcke
2022-06-14 19:37 ` Krishna Kurapati PSSNV
2022-06-16 9:11 ` Pavan Kondeti
2022-06-16 17:15 ` Matthias Kaehlcke
2022-06-20 8:54 ` Pavan Kondeti
2022-06-23 18:38 ` Matthias Kaehlcke
2022-06-24 8:58 ` Pavan Kondeti
2022-06-27 20:02 ` Stephen Boyd
2022-06-28 5:31 ` Pavan Kondeti
2022-06-29 22:15 ` Stephen Boyd
2022-06-30 18:13 ` Krishna Kurapati PSSNV
2022-07-01 1:10 ` Matthias Kaehlcke
2022-07-01 10:15 ` Pavan Kondeti
2022-07-01 15:52 ` Matthias Kaehlcke
[not found] ` <09f6a717-2bbb-6bd3-f7a8-5ac9e3db51f3@quicinc.com>
[not found] ` <9f9f9abc-9b37-8bfb-3efa-6c860b5dba8d@quicinc.com>
2022-07-13 1:34 ` Matthias Kaehlcke
2022-06-02 8:24 ` [PATCH v20 3/5] usb: dwc3: qcom: Add helper functions to enable,disable wake irqs Krishna Kurapati
2022-06-02 8:24 ` [PATCH v20 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend Krishna Kurapati
2022-06-02 13:07 ` Pavan Kondeti
2022-06-02 8:24 ` [PATCH v20 5/5] usb: dwc3: qcom: Keep power domain on to retain controller status Krishna Kurapati
2022-06-02 13:07 ` Pavan Kondeti
2022-06-02 13:09 ` Pavan Kondeti [this message]
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