PCI: cadence: Simplify J721e link status check

Replace explicit if-else condition with direct return statement in
j721e_pcie_link_up(). This reduces code verbosity while maintaining
the same logic for detecting PCIe link completion.

Signed-off-by: Hans Zhang <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Niklas Cassel <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: Hans Zhang

drivers/pci/controller/cadence/pci-j721e.c

@@ -153,11 +153,7 @@ static bool j721e_pcie_link_up(struct cdns_pcie *cdns_pcie)
 	u32 reg;
 
 	reg = j721e_pcie_user_readl(pcie, J721E_PCIE_USER_LINKSTATUS);
-	reg &= LINK_STATUS;
-	if (reg == LINK_UP_DL_COMPLETED)
-		return true;
-
-	return false;
+	return (reg & LINK_STATUS) == LINK_UP_DL_COMPLETED;
 }
 
 static const struct cdns_pcie_ops j721e_pcie_ops = {