Re: [PATCH v7 3/4] phy: rockchip-pcie: Enable all four lanes if required

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 29/06/2025 22:58, Geraldo Nascimento wrote:
Current code enables only Lane 0 because pwr_cnt will be incremented on
first call to the function. Let's reorder the enablement code to enable
all 4 lanes through GRF.

Signed-off-by: Geraldo Nascimento <geraldogabriel@xxxxxxxxx>
---
  drivers/phy/rockchip/phy-rockchip-pcie.c | 12 ++++++------
  1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-pcie.c b/drivers/phy/rockchip/phy-rockchip-pcie.c
index bd44af36c67a..f22ffb41cdc2 100644
--- a/drivers/phy/rockchip/phy-rockchip-pcie.c
+++ b/drivers/phy/rockchip/phy-rockchip-pcie.c
@@ -160,6 +160,12 @@ static int rockchip_pcie_phy_power_on(struct phy *phy)
guard(mutex)(&rk_phy->pcie_mutex); + regmap_write(rk_phy->reg_base,
+		     rk_phy->phy_data->pcie_laneoff,
+		     HIWORD_UPDATE(!PHY_LANE_IDLE_OFF,
+				   PHY_LANE_IDLE_MASK,
+				   PHY_LANE_IDLE_A_SHIFT + inst->index));
+
  	if (rk_phy->pwr_cnt++) {
  		return 0;
  	}
@@ -176,12 +182,6 @@ static int rockchip_pcie_phy_power_on(struct phy *phy)
  				   PHY_CFG_ADDR_MASK,
  				   PHY_CFG_ADDR_SHIFT));
- regmap_write(rk_phy->reg_base,
-		     rk_phy->phy_data->pcie_laneoff,
-		     HIWORD_UPDATE(!PHY_LANE_IDLE_OFF,
-				   PHY_LANE_IDLE_MASK,
-				   PHY_LANE_IDLE_A_SHIFT + inst->index));
-
  	/*
  	 * No documented timeout value for phy operation below,
  	 * so we make it large enough here. And we use loop-break

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>




[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux