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| author | Kishon Vijay Abraham I <kishon@ti.com> | 2014-06-25 23:22:57 +0530 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2014-07-22 12:46:10 +0530 |
| commit | f0e2cf7b912522c9c7146d9d6e99d1b0ea5c97c6 (patch) | |
| tree | 61081c79d550c40df4aa0f684e198c72eb4784d5 /drivers/phy/phy-ti-pipe3.c | |
| parent | 99bbd48c2065552fd2d224c9f065dcac9b7e25ce (diff) | |
| download | op-kernel-dev-f0e2cf7b912522c9c7146d9d6e99d1b0ea5c97c6.zip op-kernel-dev-f0e2cf7b912522c9c7146d9d6e99d1b0ea5c97c6.tar.gz | |
phy: pipe3: insert delay to enumerate in GEN2 mode
8-bit delay value (0xF1) is required for GEN2 devices to be enumerated
consistently. Added an API to be called from PHY drivers to set this delay
value and called it from PIPE3 driver to set the delay value.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Diffstat (limited to 'drivers/phy/phy-ti-pipe3.c')
| -rw-r--r-- | drivers/phy/phy-ti-pipe3.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c index 6174f4b..93bcd67 100644 --- a/drivers/phy/phy-ti-pipe3.c +++ b/drivers/phy/phy-ti-pipe3.c @@ -217,8 +217,10 @@ static int ti_pipe3_init(struct phy *x) u32 val; int ret = 0; - if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) + if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) { + omap_control_pcie_pcs(phy->control_dev, phy->id, 0xF1); return 0; + } /* Bring it out of IDLE if it is IDLE */ val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); |
