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From:   Andrey Smirnov <andrew.smirnov@gmail.com>
To:     linux-pci@vger.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@gmail.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Fabio Estevam <fabio.estevam@nxp.com>,
        Chris Healy <cphealy@gmail.com>,
        Lucas Stach <l.stach@pengutronix.de>,
        Leonard Crestez <leonard.crestez@nxp.com>,
        "A.s. Dong" <aisheng.dong@nxp.com>,
        Richard Zhu <hongxing.zhu@nxp.com>, linux-imx@nxp.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 02/21] PCI: imx6: Remove redundant debug tracing
Date:   Thu, 20 Dec 2018 23:26:57 -0800
Message-Id: <20181221072716.29017-3-andrew.smirnov@gmail.com>
In-Reply-To: <20181221072716.29017-1-andrew.smirnov@gmail.com>
References: <20181221072716.29017-1-andrew.smirnov@gmail.com>
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All calls to imx6_pcie_wait_for_link() share the same error path and
the state of PHY debug registers will already be printed there.

Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: "A.s. Dong" <aisheng.dong@nxp.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: linux-imx@nxp.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/pci/controller/dwc/pci-imx6.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index c87ecc305dc7..6ffadc29d21b 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -603,16 +603,9 @@ static int imx6_setup_phy_mpll(struct imx6_pcie *imx6_pcie)
 static int imx6_pcie_wait_for_link(struct imx6_pcie *imx6_pcie)
 {
 	struct dw_pcie *pci = imx6_pcie->pci;
-	struct device *dev = pci->dev;
 
 	/* check if the link is up or not */
-	if (!dw_pcie_wait_for_link(pci))
-		return 0;
-
-	dev_dbg(dev, "DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n",
-		dw_pcie_readl_dbi(pci, PCIE_PHY_DEBUG_R0),
-		dw_pcie_readl_dbi(pci, PCIE_PHY_DEBUG_R1));
-	return -ETIMEDOUT;
+	return dw_pcie_wait_for_link(pci);
 }
 
 static int imx6_pcie_wait_for_speed_change(struct imx6_pcie *imx6_pcie)
-- 
2.19.1