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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
commitd635711daa98be86d4c7fd01499c34f566b54ccb (patch)
treeaa5cc3760a27c3d57146498cb82fa549547de06c /drivers/pci/host/pci-exynos.c
parentc91265cd0efb83778f015b4d4b1129bd2cfd075e (diff)
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/pci/host/pci-exynos.c')
-rw-r--r--drivers/pci/host/pci-exynos.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
index d997d22d4..219976103 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -318,7 +318,6 @@ static int exynos_pcie_establish_link(struct pcie_port *pp)
{
struct exynos_pcie *exynos_pcie = to_exynos_pcie(pp);
u32 val;
- unsigned int retries;
if (dw_pcie_link_up(pp)) {
dev_err(pp->dev, "Link already up\n");
@@ -357,13 +356,8 @@ static int exynos_pcie_establish_link(struct pcie_port *pp)
PCIE_APP_LTSSM_ENABLE);
/* check if the link is up or not */
- for (retries = 0; retries < 10; retries++) {
- if (dw_pcie_link_up(pp)) {
- dev_info(pp->dev, "Link up\n");
- return 0;
- }
- mdelay(100);
- }
+ if (!dw_pcie_wait_for_link(pp))
+ return 0;
while (exynos_phy_readl(exynos_pcie, PCIE_PHY_PLL_LOCKED) == 0) {
val = exynos_blk_readl(exynos_pcie, PCIE_PHY_PLL_LOCKED);
@@ -372,8 +366,7 @@ static int exynos_pcie_establish_link(struct pcie_port *pp)
/* power off phy */
exynos_pcie_power_off_phy(pp);
- dev_err(pp->dev, "PCIe Link Fail\n");
- return -EINVAL;
+ return -ETIMEDOUT;
}
static void exynos_pcie_clear_irq_pulse(struct pcie_port *pp)