linux-kernel - [PATCH 3/3] PCI: cadence: Simplify j721e link status check

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Message-Id: <20250428171027.13237-4-18255117159@163.com>
Date: Tue, 29 Apr 2025 01:10:27 +0800
From: Hans Zhang <18255117159@....com>
To: lpieralisi@...nel.org,
	kw@...ux.com,
	bhelgaas@...gle.com,
	jingoohan1@...il.com,
	manivannan.sadhasivam@...aro.org
Cc: cassel@...nel.org,
	robh@...nel.org,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Hans Zhang <18255117159@....com>
Subject: [PATCH 3/3] 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 <18255117159@....com>
---
 drivers/pci/controller/cadence/pci-j721e.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index ef1cfdae33bb..bea1944a7eb2 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/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 = {
-- 
2.25.1