PCI: apple: Drop poll for CORE_RC_PHYIF_STAT_REFCLK

This is checking a core refclk in per-port setup which doesn't make a
lot of sense, and the bootloader needs to have gone through this anyway.

It doesn't work on T602x, so just drop it across the board.

Signed-off-by: Hector Martin <[email protected]>
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Tested-by: Janne Grunau <[email protected]>
Reviewed-by: Rob Herring (Arm) <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Acked-by: Alyssa Rosenzweig <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: marcan

drivers/pci/controller/pcie-apple.c

@@ -475,12 +475,6 @@ static int apple_pcie_setup_refclk(struct apple_pcie *pcie,
 	u32 stat;
 	int res;
 
-	res = readl_relaxed_poll_timeout(pcie->base + CORE_RC_PHYIF_STAT, stat,
-					 stat & CORE_RC_PHYIF_STAT_REFCLK,
-					 100, 50000);
-	if (res < 0)
-		return res;
-
 	rmw_set(PHY_LANE_CTL_CFGACC, port->phy + PHY_LANE_CTL);
 	rmw_set(PHY_LANE_CFG_REFCLK0REQ, port->phy + PHY_LANE_CFG);