linux-kernel - Re: [PATCH v7 3/3] xhci: tegra: USB2 pad power controls

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Date:   Thu, 17 Nov 2022 23:30:24 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Jim Lin <jilin@...dia.com>
Cc:     gregkh@...uxfoundation.org, jonathanh@...dia.com,
        mathias.nyman@...el.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        Petlozu Pravareshwar <petlozup@...dia.com>
Subject: Re: [PATCH v7 3/3] xhci: tegra: USB2 pad power controls

On Fri, Nov 11, 2022 at 06:18:13PM +0800, Jim Lin wrote:
> From: Petlozu Pravareshwar <petlozup@...dia.com>
> 
> Program USB2 pad PD controls during port connect/disconnect, port
> suspend/resume, and test mode, to reduce power consumption on
> disconnect or suspend.
> 
> Signed-off-by: Petlozu Pravareshwar <petlozup@...dia.com>
> Co-developed-by: Jim Lin <jilin@...dia.com>
> Signed-off-by: Jim Lin <jilin@...dia.com>
> 
> ---
> v2: Fix issue that wrong tegra->phys[] may be accessed on tegra124
> v3: No change on copyright
> v4: Remove hcd_to_tegra_xusb() function which is used only once.
> v5: Update .hub_control in tegra_xhci_overrides (xhci-tegra.c)
>     Invoke xhci_hub_control() directly (xhci-tegra.c)
> v6: Change author to Petlozu
>     Changed from u32 to u8 for variable enable_utmi_pad_after_lp0_exit
>     Modified tegra_xhci_disable_phy_wake(), tegra_xhci_program_utmi_power_lp0_exit(),
>     tegra_xhci_hub_control()
> v7: no change
> 
>  drivers/usb/host/xhci-tegra.c | 125 ++++++++++++++++++++++++++++++++++
>  1 file changed, 125 insertions(+)

Acked-by: Thierry Reding <treding@...dia.com>

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