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Subject: Re: [PATCH 0/3] usb: meson: fix shared reset control use
To:     Kevin Hilman <khilman@baylibre.com>,
        Felipe Balbi <balbi@kernel.org>
Cc:     Philipp Zabel <p.zabel@pengutronix.de>,
        Jerome Brunet <jbrunet@baylibre.com>,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org
References: <20201113000508.14702-1-aouledameur@baylibre.com>
From:   Amjad Ouled-Ameur <aouledameur@baylibre.com>
Message-ID: <093933fc-eac5-de56-d314-a1348de348af@baylibre.com>
Date:   Mon, 23 Nov 2020 10:29:05 +0100
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Hello Felipe and Kevin,


Could you please review this patchset ?

Thank you in advance.

On 13/11/2020 01:05, Amjad Ouled-Ameur wrote:

> This patchset fixes a usb suspend warning seen on the libretech-cc by
> using reset_control_rearm() call of the reset framework API.
> This call allows a reset consummer to release the reset line even when
> just triggered so that it may be triggered again by other reset
> consummers.
>
> reset_control_(de)assert() calls are called, in some meson usb drivers,
> on a shared reset line when reset_control_reset has been used. This is not
> allowed by the reset framework.
>
> Finally the meson usb drivers are updated to use this new call, which
> solves the suspend issue addressed by the previous reverted
> commit 7a410953d1fb ("usb: dwc3: meson-g12a: fix shared reset control
> use").
>
> Important:
> Please DO NOT merge before this patch [0] is merged, it adds
> reset_control_rearm() call to the reset framework API.
>
> [0] https://lore.kernel.org/lkml/20201112230043.28987-1-aouledameur@baylib
> re.com/
>
> Amjad Ouled-Ameur (3):
>    phy: amlogic: phy-meson-gxl-usb2: fix shared reset controller use
>    usb: dwc3: meson-g12a: fix shared reset control use
>    phy: amlogic: meson8b-usb2: fix shared reset control use
>
>   drivers/phy/amlogic/phy-meson-gxl-usb2.c |  5 ++++-
>   drivers/phy/amlogic/phy-meson8b-usb2.c   |  4 ++++
>   drivers/usb/dwc3/dwc3-meson-g12a.c       | 19 +++++++++++++------
>   3 files changed, 21 insertions(+), 7 deletions(-)
>
>
Sincerely,
Amjad