net: bcmgenet: move clk_wol management to bcmgenet_wol
The GENET_POWER_WOL_MAGIC power up and power down code configures the device for WoL when suspending and disables the WoL logic when resuming. It makes sense that this code should also manage the WoL clocking. This commit consolidates the logic and moves it earlier in the resume sequence. Since the clock is now only enabled if WoL is successfully entered the wol_active flag is introduced to track that state to keep the clock enables and disables balanced in case a suspend is aborted. The MPD_EN hardware bit can't be used because it can be cleared when the MAC is reset by a deep sleep. Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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