[PATCH net-next 15/15] net: stmmac: qcom-ethqos: move phase_shift to register update site

[Russell King (Oracle)]

Move the determination of the phase shift enable alongside the register
update, and make "phase_shift" unsigned.

Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
---
 .../ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 0cc5b925cdb6..18412a6ca77a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -375,14 +375,7 @@ static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos, int speed)
 {
 	struct device *dev = &ethqos->pdev->dev;
 	unsigned int prg_rclk_dly, loopback;
-	int phase_shift;
-
-	/* Determine if the PHY adds a 2 ns TX delay or the MAC handles it */
-	if (ethqos->phy_mode == PHY_INTERFACE_MODE_RGMII_ID ||
-	    ethqos->phy_mode == PHY_INTERFACE_MODE_RGMII_TXID)
-		phase_shift = 0;
-	else
-		phase_shift = RGMII_CONFIG2_TX_CLK_PHASE_SHIFT_EN;
+	unsigned int phase_shift;
 
 	/* Disable loopback mode */
 	rgmii_clrmask(ethqos, RGMII_CONFIG2_TX_TO_RX_LOOPBACK_EN,
@@ -416,6 +409,14 @@ static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos, int speed)
 
 	rgmii_clrmask(ethqos, RGMII_CONFIG2_DATA_DIVIDE_CLK_SEL,
 		      RGMII_IO_MACRO_CONFIG2);
+
+	/* Determine if the PHY adds a 2 ns TX delay or the MAC handles it */
+	if (ethqos->phy_mode == PHY_INTERFACE_MODE_RGMII_ID ||
+	    ethqos->phy_mode == PHY_INTERFACE_MODE_RGMII_TXID)
+		phase_shift = 0;
+	else
+		phase_shift = RGMII_CONFIG2_TX_CLK_PHASE_SHIFT_EN;
+
 	rgmii_updatel(ethqos, RGMII_CONFIG2_TX_CLK_PHASE_SHIFT_EN, phase_shift,
 		      RGMII_IO_MACRO_CONFIG2);
 
-- 
2.47.3