On Sun, Jan 3, 2021 at 7:17 PM Samuel Holland <sam...@sholland.org> wrote:
>
> While stmmac_pltfr_remove calls sun8i_dwmac_exit, the sun8i_dwmac_init
> and sun8i_dwmac_exit functions are also called by the stmmac_platform
> suspend/resume callbacks. They may be called many times during the
> device's lifetime and should not release resources used by the driver.
>
> Furthermore, there was no error handling in case registering the MDIO
> mux failed during probe, and the EPHY clock was never released at all.
>
> Fix all of these issues by moving the deinitialization code to a driver
> removal callback. Also ensure the EPHY is powered down before removal.
>
> Fixes: 634db83b8265 ("net: stmmac: dwmac-sun8i: Handle integrated/external
> MDIOs")
> Signed-off-by: Samuel Holland <sam...@sholland.org>
Reviewed-by: Chen-Yu Tsai <w...@csie.org>
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