> The exynos-pcie driver called phy_power_on() and then phy_init() for some > historical reasons. However the generic PHY framework assumes that the > proper sequence is to call phy_init() first, then phy_power_on(). The > operations done by both functions should be considered as one action and > as such they are called by the exynos-pcie driver (without doing anything > between them). The initialization is just a sequence of register writes, > which cannot be altered, without breaking the hardware operation. > > To match the generic PHY framework requirement, simply move all register > writes to the phy_init()/phy_exit() and drop power_on()/power_off() > callbacks. This way the driver will also work with the old (incorrect) PHY > initialization call sequence. > > Reported-by: Bjorn Helgaas <helgaas@xxxxxxxxxx> > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Reviewed-by: Chanho Park <chanho61.park@xxxxxxxxxxx> Best Regards, Chanho Park
