[PATCH v3 1/3] phy: amlogic: phy-meson-gxl-usb2: fix shared reset controller use

Martin Blumenstingl martin.blumenstingl at googlemail.com
Sat Nov 20 15:39:57 PST 2021


On Fri, Nov 12, 2021 at 5:33 PM Amjad Ouled-Ameur
<aouledameur at baylibre.com> 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 at baylibre.com>
> Reported-by: Jerome Brunet <jbrunet at baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>



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