summaryrefslogtreecommitdiffstats
path: root/drivers/pci/host/pci-dra7xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/host/pci-dra7xx.c')
-rw-r--r--drivers/pci/host/pci-dra7xx.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 2d57e19a2cd4..80db09e47800 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -93,9 +93,9 @@ static int dra7xx_pcie_link_up(struct pcie_port *pp)
static int dra7xx_pcie_establish_link(struct pcie_port *pp)
{
- u32 reg;
- unsigned int retries = 1000;
struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp);
+ u32 reg;
+ unsigned int retries;
if (dw_pcie_link_up(pp)) {
dev_err(pp->dev, "link is already up\n");
@@ -106,19 +106,14 @@ static int dra7xx_pcie_establish_link(struct pcie_port *pp)
reg |= LTSSM_EN;
dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD, reg);
- while (retries--) {
- reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_PHY_CS);
- if (reg & LINK_UP)
- break;
+ for (retries = 0; retries < 1000; retries++) {
+ if (dw_pcie_link_up(pp))
+ return 0;
usleep_range(10, 20);
}
- if (retries == 0) {
- dev_err(pp->dev, "link is not up\n");
- return -ETIMEDOUT;
- }
-
- return 0;
+ dev_err(pp->dev, "link is not up\n");
+ return -EINVAL;
}
static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp)
OpenPOWER on IntegriCloud