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, so there's no real reason we can't just use dw_pcie_wait_for_link(). Drop imx6_pcie_wait_for_link() and replace it with dw_pcie_wait_for_link().
Signed-off-by: Andrey Smirnov <[email protected]> Suggested-by: Lucas Stach <[email protected]> Cc: Lorenzo Pieralisi <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: Chris Healy <[email protected]> Cc: Lucas Stach <[email protected]> Cc: [email protected] Cc: [email protected] --- drivers/pci/controller/dwc/pci-imx6.c | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index ea2617712a3b..bb3dcfdbf697 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -723,21 +723,6 @@ static int imx6_setup_phy_mpll(struct imx6_pcie *imx6_pcie) return 0; } -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; -} - static int imx6_pcie_wait_for_speed_change(struct imx6_pcie *imx6_pcie) { struct dw_pcie *pci = imx6_pcie->pci; @@ -796,7 +781,7 @@ static int imx6_pcie_establish_link(struct imx6_pcie *imx6_pcie) /* Start LTSSM. */ imx6_pcie_ltssm_enable(dev); - ret = imx6_pcie_wait_for_link(imx6_pcie); + ret = dw_pcie_wait_for_link(pci); if (ret) goto err_reset_phy; @@ -834,7 +819,7 @@ static int imx6_pcie_establish_link(struct imx6_pcie *imx6_pcie) } /* Make sure link training is finished as well! */ - ret = imx6_pcie_wait_for_link(imx6_pcie); + ret = dw_pcie_wait_for_link(pci); if (ret) { dev_err(dev, "Failed to bring link up!\n"); goto err_reset_phy; -- 2.20.1
