[PATCH net] net: stmmac: dwmac-rk: Fix disabling set_clock_selection

[Simon Horman]

On Tue, Oct 14, 2025 at 05:49:34PM +0200, Sebastian Reichel wrote:
> On all platforms set_clock_selection() writes to a GRF register. This
> requires certain clocks running and thus should happen before the
> clocks are disabled.
> 
> This has been noticed on RK3576 Sige5, which hangs during system suspend
> when trying to suspend the second network interface. Note, that
> suspending the first interface works, because the second device ensures
> that the necessary clocks for the GRF are enabled.
> 
> Cc: stable at vger.kernel.org
> Fixes: 2f2b60a0ec28 ("net: ethernet: stmmac: dwmac-rk: Add gmac support for rk3588")
> Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>

Reviewed-by: Simon Horman <horms at kernel.org>