linux-kernel - [PATCH netdev] net: stmmac: dwmac-sunxi: Allow all RGMII modes

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Message-Id: <20200106030922.19721-1-wens@kernel.org>
Date:   Mon,  6 Jan 2020 11:09:22 +0800
From:   Chen-Yu Tsai <wens@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Ripard <mripard@...nel.org>
Cc:     Chen-Yu Tsai <wens@...e.org>, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH netdev] net: stmmac: dwmac-sunxi: Allow all RGMII modes

From: Chen-Yu Tsai <wens@...e.org>

Allow all the RGMII modes to be used. This would allow us to represent
the hardware better in the device tree with RGMII_ID where in most
cases the PHY's internal delay for both RX and TX are used.

Fixes: af0bd4e9ba80 ("net: stmmac: sunxi platform extensions for GMAC in Allwinner A20 SoC's")
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---

Maybe CC stable so future device trees can be used with stable kernels?
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index 26353ef616b8..7d40760e9ba8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -44,7 +44,7 @@ static int sun7i_gmac_init(struct platform_device *pdev, void *priv)
 	 * rate, which then uses the auto-reparenting feature of the
 	 * clock driver, and enabling/disabling the clock.
 	 */
-	if (gmac->interface == PHY_INTERFACE_MODE_RGMII) {
+	if (phy_interface_mode_is_rgmii(gmac->interface)) {
 		clk_set_rate(gmac->tx_clk, SUN7I_GMAC_GMII_RGMII_RATE);
 		clk_prepare_enable(gmac->tx_clk);
 		gmac->clk_enabled = 1;
-- 
2.24.1