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PMD Global Transmit Disable bit should be cleared for normal operation. This should be HW default, however I found that on Asus RT-AX89X that uses AQR113C PHY and firmware 5.4 this bit is set by default. With this bit set the AQR cannot achieve a link with its link-partner and it took me multiple hours of digging through the vendor GPL source to find this out, so lets always clear this bit during .config_init() to avoid a situation like this in the future. aqr107_wait_processor_intensive_op() is moved up because datasheet notes that any changes to this bit are processor intensive. This is a modified version of patch that got merged upstream as AQR113C has a separate config_init() upstream. Signed-off-by: Robert Marko <robimarko@gmail.com>