diff options
Diffstat (limited to 'drivers/pci/host/pci-imx6.c')
| -rw-r--r-- | drivers/pci/host/pci-imx6.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c index 8cc012371ca7..af7da8ac8082 100644 --- a/drivers/pci/host/pci-imx6.c +++ b/drivers/pci/host/pci-imx6.c @@ -335,21 +335,19 @@ static void imx6_pcie_init_phy(struct pcie_port *pp) static int imx6_pcie_wait_for_link(struct pcie_port *pp) { - int count = 200; + unsigned int retries; - while (!dw_pcie_link_up(pp)) { + for (retries = 0; retries < 200; retries++) { + if (dw_pcie_link_up(pp)) + return 0; usleep_range(100, 1000); - if (--count) - continue; - - dev_err(pp->dev, "phy link never came up\n"); - dev_dbg(pp->dev, "DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n", - readl(pp->dbi_base + PCIE_PHY_DEBUG_R0), - readl(pp->dbi_base + PCIE_PHY_DEBUG_R1)); - return -EINVAL; } - return 0; + dev_err(pp->dev, "phy link never came up\n"); + dev_dbg(pp->dev, "DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n", + readl(pp->dbi_base + PCIE_PHY_DEBUG_R0), + readl(pp->dbi_base + PCIE_PHY_DEBUG_R1)); + return -EINVAL; } static irqreturn_t imx6_pcie_msi_handler(int irq, void *arg) |