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SubjectRe: [PATCH v2 0/5] USB: dwc2: Allow wakeup from suspend; enable for rk3288-veyron
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Hi Douglas,

On 4/18/2019 4:15 AM, Douglas Anderson wrote:
> This re-hashes two older series I posted a long time ago, re-basing
> them to mainline. ...well, technically, atop another dwc2 series I
> recently posted:
>
> * usb: dwc2: Another attempt handling rk3288's remote wake quirk
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lkml.kernel.org_r_20190416215351.242246-2D1-2Ddianders-40chromium.org&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=b-IYjc3cgFyZYC_B9zSA_xbSLE2ODwAZX0Png-G4SwA&e=
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_patchwork_cover_1062972_&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=VCNBuDGf2VeFFWUUyE3wUdn-sDnUu0nFipeNpyWPXts&e=
>
> In general I've tried to add links to each patch pointing to relevant
> older discussion. Here are overall links to the cover letters though.
> Note that for the previous "allow wakeup" series the discussion was
> scattered a bit between the original post and the repost.
>
> * usb: dwc2: bus suspend/resume that's not hibernate
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lkml.kernel.org_r_1446237173-2D15263-2D1-2Dgit-2Dsend-2Demail-2Ddianders-40chromium.org&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=FSVMrPFuSM--uXrAZN9GzCEXP60Li7miMsC4ydv6oDQ&e=
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_patchwork_patch_613761_&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=omRYPw4XVgY8Rq2UgJhApk2poeKXWCBc5QsYMlQkqk4&e=
>
> * dwc2 patches to allow wakeup on Rockchip rk3288
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lkml.kernel.org_r_1435017144-2D2971-2D1-2Dgit-2Dsend-2Demail-2Ddianders-40chromium.org&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=ep7GoHZcPlQbiOkXlwy9xXZEKdbd4o2erhLSblDL5Rg&e=
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_patchwork_cover_572944_&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=hq4errAA9YvVpHJaVoWGTIHnlwiq1iuadWW1WJavtCI&e=
>
> * dwc2 patches to allow wakeup on Rockchip rk3288 (REPOST)
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lkml.kernel.org_r_1436207224-2D21849-2D1-2Dgit-2Dsend-2Demail-2Ddianders-40chromium.org&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=n-nD8EdqtgTyPdPPJ06t2pxyjC1M65g5aXLT1OiuouY&e=
> https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_patchwork_cover_576120_&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=YkisA-u9q0yewqaRoOWWpps9E2QFh1asgnwkbM1B7mc&e=
>
> I'm hoping there's a better chance of these things landing this time
> around, but I guess we'll see. ;-)
>
> In case it's helpful I've put what I tested (which is based on Heiko's
> for-next branch and includes patches to enable deep suspend plus two
> other s2r fixes) at:
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__chromium.googlesource.com_chromiumos_third-5Fparty_kernel_-2Blog_refs_sandbox_dianders_190417-2Dtesting-2Ddwc2-2Dwakeup&d=DwIDAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=cQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=tZD-jhA4bSymns9pwqhaT0Ico1SVCYevQaaQclHX8jY&s=ws6kQVDDGxYJnhR693pQP9fYL-PH_TUGzSVmD4u-S9Q&e=
>
> Changes in v2:
> - Rebased to mainline atop rk3288 remote wake quirk series.
> - rk3288-veyron dts patch new for v2.
>
> Douglas Anderson (5):
> usb: dwc2: bus suspend/resume for hosts with
> DWC2_POWER_DOWN_PARAM_NONE
> USB: Export usb_wakeup_enabled_descendants()
> Documentation: dt-bindings: Add snps,need-phy-for-wake for dwc2 USB
> USB: dwc2: Don't turn off the usbphy in suspend if wakeup is enabled
> ARM: dts: rockchip: Allow wakeup from rk3288-veyron's dwc2 USB ports
>
> .../devicetree/bindings/usb/dwc2.txt | 3 +
> arch/arm/boot/dts/rk3288-veyron.dtsi | 2 +
> drivers/usb/core/hub.c | 7 +-
> drivers/usb/dwc2/core.h | 5 ++
> drivers/usb/dwc2/hcd.c | 84 ++++++++++++-------
> drivers/usb/dwc2/platform.c | 43 +++++++++-
> include/linux/usb/hcd.h | 5 ++
> 7 files changed, 113 insertions(+), 36 deletions(-)
>

Did you consider/reviewed patch series from Artur Petrosyan "[PATCH
00/14] usb: dwc2: Fix and improve power saving modes" (submitted on
April 12) which fixing partial power down and hibernation flows for both
modes: host and device?
I suspect that this both patch series can be in conflict.

Thanks,
Minas

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