linux-kernel - [PATCH net-next 04/12] net: stmmac: replace the has

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Message-Id: <20230621182558.544417-5-brgl@bgdev.pl>
Date:   Wed, 21 Jun 2023 20:25:50 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Vinod Koul <vkoul@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Richard Cochran <richardcochran@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-tegra@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH net-next 04/12] net: stmmac: replace the has_sun8i field with a flag

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Drop the boolean field of the plat_stmmacenet_data structure in favor of a
simple bitfield flag.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 2 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++--
 include/linux/stmmac.h                            | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 1e714380d125..2b5ebb15bfda 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -1227,7 +1227,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 	plat_dat->interface = interface;
 	plat_dat->rx_coe = STMMAC_RX_COE_TYPE2;
 	plat_dat->tx_coe = 1;
-	plat_dat->has_sun8i = true;
+	plat_dat->flags |= STMMAC_FLAG_HAS_SUN8I;
 	plat_dat->bsp_priv = gmac;
 	plat_dat->init = sun8i_dwmac_init;
 	plat_dat->exit = sun8i_dwmac_exit;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index a1a59af3961d..3df32658b5bb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -325,7 +325,7 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv)
 			priv->clk_csr = STMMAC_CSR_250_300M;
 	}
 
-	if (priv->plat->has_sun8i) {
+	if (priv->plat->flags & STMMAC_FLAG_HAS_SUN8I) {
 		if (clk_rate > 160000000)
 			priv->clk_csr = 0x03;
 		else if (clk_rate > 80000000)
@@ -6856,7 +6856,7 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
 	int ret;
 
 	/* dwmac-sun8i only work in chain mode */
-	if (priv->plat->has_sun8i)
+	if (priv->plat->flags & STMMAC_FLAG_HAS_SUN8I)
 		chain_mode = 1;
 	priv->chain_mode = chain_mode;
 
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 15fb07cc89c8..66dcf84d024a 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -207,6 +207,7 @@ struct dwmac4_addrs {
 #define STMMAC_FLAG_HAS_INTEGRATED_PCS		BIT(0)
 #define STMMAC_FLAG_SPH_DISABLE			BIT(1)
 #define STMMAC_FLAG_USE_PHY_WOL			BIT(2)
+#define STMMAC_FLAG_HAS_SUN8I			BIT(3)
 
 struct plat_stmmacenet_data {
 	int bus_id;
@@ -270,7 +271,6 @@ struct plat_stmmacenet_data {
 	struct reset_control *stmmac_ahb_rst;
 	struct stmmac_axi *axi;
 	int has_gmac4;
-	bool has_sun8i;
 	bool tso_en;
 	int rss_en;
 	int mac_port_sel_speed;
-- 
2.39.2