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Some boards [1] leave the PHYs at an invalid state during system power-up or reset thus causing unreliability issues with the PHY which manifests as PHY not being detected or link not functional. To fix this, these PHYs need to be RESET via a GPIO connected to the PHY's RESET pin. Some boards have a single GPIO controlling the PHY RESET pin of all PHYs on the bus whereas some others have separate GPIOs controlling individual PHY RESETs. In both cases, the RESET de-assertion cannot be done in the PHY driver as the PHY will not probe till its reset is de-asserted. So do the RESET de-assertion in the MDIO bus driver. [1] - am572x-idk, am571x-idk, a437x-idk Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| unittest-data | ||
| address.c | ||
| base.c | ||
| device.c | ||
| dynamic.c | ||
| fdt.c | ||
| fdt_address.c | ||
| irq.c | ||
| Kconfig | ||
| Makefile | ||
| of_mdio.c | ||
| of_net.c | ||
| of_numa.c | ||
| of_pci.c | ||
| of_pci_irq.c | ||
| of_private.h | ||
| of_reserved_mem.c | ||
| overlay.c | ||
| pdt.c | ||
| platform.c | ||
| resolver.c | ||
| unittest.c | ||