From: Philipp Zabel <p.zabel@pengutronix.de>
To: Amjad Ouled-Ameur <aouledameur@baylibre.com>, khilman@baylibre.com
Cc: balbi@kernel.org, jbrunet@baylibre.com,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org
Subject: Re: [PATCH v5 1/3] phy: amlogic: phy-meson-gxl-usb2: fix shared reset controller use
Date: Mon, 13 Dec 2021 10:16:10 +0100 [thread overview]
Message-ID: <d1be20fb0e724598d697fba97f79d75b8646b7ee.camel@pengutronix.de> (raw)
In-Reply-To: <20211212201844.114949-2-aouledameur@baylibre.com>
On Sun, 2021-12-12 at 21:18 +0100, Amjad Ouled-Ameur wrote:
> Use reset_control_rearm() call if an error occurs in case
> phy_meson_gxl_usb2_init() fails after reset() has been called ; or in case
> phy_meson_gxl_usb2_exit() is called i.e the resource is no longer used
> and the reset line may be triggered again by other devices.
>
> reset_control_rearm() keeps use of triggered_count sane in the reset
> framework. Therefore, use of reset_control_reset() on shared reset line
> should be balanced with reset_control_rearm().
>
> Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
> Reported-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
regards
Philipp
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next prev parent reply other threads:[~2021-12-13 9:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-12 20:18 [PATCH v5 0/3] usb: meson: fix shared reset control use Amjad Ouled-Ameur
2021-12-12 20:18 ` [PATCH v5 1/3] phy: amlogic: phy-meson-gxl-usb2: fix shared reset controller use Amjad Ouled-Ameur
2021-12-12 20:44 ` Martin Blumenstingl
2021-12-13 9:16 ` Philipp Zabel [this message]
2021-12-12 20:18 ` [PATCH v5 2/3] phy: amlogic: meson8b-usb2: Use dev_err_probe() Amjad Ouled-Ameur
2021-12-12 20:43 ` Martin Blumenstingl
2021-12-12 20:18 ` [PATCH v5 3/3] phy: amlogic: meson8b-usb2: fix shared reset control use Amjad Ouled-Ameur
2021-12-12 20:44 ` Martin Blumenstingl
2021-12-13 13:30 ` [PATCH v5 0/3] usb: meson: " Neil Armstrong
2022-01-06 19:06 ` Kevin Hilman
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