diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /drivers/pci/host/pci-dra7xx.c | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/pci/host/pci-dra7xx.c')
| -rw-r--r-- | drivers/pci/host/pci-dra7xx.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c index 2d57e19a2..80db09e47 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) |