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Date:   Tue, 31 May 2022 15:58:48 -0400
From:   Sean Anderson <sean.anderson@...o.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Cc:     Madalin Bucur <madalin.bucur@....com>,
        linux-kernel@...r.kernel.org,
        Sean Anderson <sean.anderson@...o.com>
Subject: [PATCH 2/4] net: fman: Don't pass comm_mode to enable/disable

mac_priv_s->enable() and ->disable() are always called with
a comm_mode of COMM_MODE_RX_AND_TX. Remove this parameter, and refactor
the macs appropriately.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---

 .../net/ethernet/freescale/fman/fman_dtsec.c  | 20 ++++++-------------
 .../net/ethernet/freescale/fman/fman_dtsec.h  |  4 ++--
 .../net/ethernet/freescale/fman/fman_memac.c  | 16 ++++-----------
 .../net/ethernet/freescale/fman/fman_memac.h  |  4 ++--
 .../net/ethernet/freescale/fman/fman_tgec.c   | 14 ++++---------
 .../net/ethernet/freescale/fman/fman_tgec.h   |  4 ++--
 drivers/net/ethernet/freescale/fman/mac.c     |  8 ++++----
 7 files changed, 24 insertions(+), 46 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
index 38badacfdada..cebdbdd0ce59 100644
--- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
@@ -879,7 +879,7 @@ static void graceful_stop(struct fman_mac *dtsec, enum comm_mode mode)
 	}
 }
 
-int dtsec_enable(struct fman_mac *dtsec, enum comm_mode mode)
+int dtsec_enable(struct fman_mac *dtsec)
 {
 	struct dtsec_regs __iomem *regs = dtsec->regs;
 	u32 tmp;
@@ -889,20 +889,16 @@ int dtsec_enable(struct fman_mac *dtsec, enum comm_mode mode)
 
 	/* Enable */
 	tmp = ioread32be(&regs->maccfg1);
-	if (mode & COMM_MODE_RX)
-		tmp |= MACCFG1_RX_EN;
-	if (mode & COMM_MODE_TX)
-		tmp |= MACCFG1_TX_EN;
-
+	tmp |= MACCFG1_RX_EN | MACCFG1_TX_EN;
 	iowrite32be(tmp, &regs->maccfg1);
 
 	/* Graceful start - clear the graceful Rx/Tx stop bit */
-	graceful_start(dtsec, mode);
+	graceful_start(dtsec, COMM_MODE_RX_AND_TX);
 
 	return 0;
 }
 
-int dtsec_disable(struct fman_mac *dtsec, enum comm_mode mode)
+int dtsec_disable(struct fman_mac *dtsec)
 {
 	struct dtsec_regs __iomem *regs = dtsec->regs;
 	u32 tmp;
@@ -911,14 +907,10 @@ int dtsec_disable(struct fman_mac *dtsec, enum comm_mode mode)
 		return -EINVAL;
 
 	/* Graceful stop - Assert the graceful Rx/Tx stop bit */
-	graceful_stop(dtsec, mode);
+	graceful_stop(dtsec, COMM_MODE_RX_AND_TX);
 
 	tmp = ioread32be(&regs->maccfg1);
-	if (mode & COMM_MODE_RX)
-		tmp &= ~MACCFG1_RX_EN;
-	if (mode & COMM_MODE_TX)
-		tmp &= ~MACCFG1_TX_EN;
-
+	tmp &= ~(MACCFG1_RX_EN | MACCFG1_TX_EN);
 	iowrite32be(tmp, &regs->maccfg1);
 
 	return 0;
diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.h b/drivers/net/ethernet/freescale/fman/fman_dtsec.h
index 86f3b74ada03..0dd74972b112 100644
--- a/drivers/net/ethernet/freescale/fman/fman_dtsec.h
+++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.h
@@ -16,8 +16,8 @@ int dtsec_adjust_link(struct fman_mac *dtsec,
 int dtsec_restart_autoneg(struct fman_mac *dtsec);
 int dtsec_cfg_max_frame_len(struct fman_mac *dtsec, u16 new_val);
 int dtsec_cfg_pad_and_crc(struct fman_mac *dtsec, bool new_val);
-int dtsec_enable(struct fman_mac *dtsec, enum comm_mode mode);
-int dtsec_disable(struct fman_mac *dtsec, enum comm_mode mode);
+int dtsec_enable(struct fman_mac *dtsec);
+int dtsec_disable(struct fman_mac *dtsec);
 int dtsec_init(struct fman_mac *dtsec);
 int dtsec_free(struct fman_mac *dtsec);
 int dtsec_accept_rx_pause_frames(struct fman_mac *dtsec, bool en);
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index 8b2b4fb411ec..de533d13e20b 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -685,7 +685,7 @@ static bool is_init_done(struct memac_cfg *memac_drv_params)
 	return false;
 }
 
-int memac_enable(struct fman_mac *memac, enum comm_mode mode)
+int memac_enable(struct fman_mac *memac)
 {
 	struct memac_regs __iomem *regs = memac->regs;
 	u32 tmp;
@@ -694,17 +694,13 @@ int memac_enable(struct fman_mac *memac, enum comm_mode mode)
 		return -EINVAL;
 
 	tmp = ioread32be(&regs->command_config);
-	if (mode & COMM_MODE_RX)
-		tmp |= CMD_CFG_RX_EN;
-	if (mode & COMM_MODE_TX)
-		tmp |= CMD_CFG_TX_EN;
-
+	tmp |= CMD_CFG_RX_EN | CMD_CFG_TX_EN;
 	iowrite32be(tmp, &regs->command_config);
 
 	return 0;
 }
 
-int memac_disable(struct fman_mac *memac, enum comm_mode mode)
+int memac_disable(struct fman_mac *memac)
 {
 	struct memac_regs __iomem *regs = memac->regs;
 	u32 tmp;
@@ -713,11 +709,7 @@ int memac_disable(struct fman_mac *memac, enum comm_mode mode)
 		return -EINVAL;
 
 	tmp = ioread32be(&regs->command_config);
-	if (mode & COMM_MODE_RX)
-		tmp &= ~CMD_CFG_RX_EN;
-	if (mode & COMM_MODE_TX)
-		tmp &= ~CMD_CFG_TX_EN;
-
+	tmp &= ~(CMD_CFG_RX_EN | CMD_CFG_TX_EN);
 	iowrite32be(tmp, &regs->command_config);
 
 	return 0;
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.h b/drivers/net/ethernet/freescale/fman/fman_memac.h
index e1d62a7df367..4cb9db12de0a 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.h
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.h
@@ -19,8 +19,8 @@ int memac_cfg_max_frame_len(struct fman_mac *memac, u16 new_val);
 int memac_cfg_reset_on_init(struct fman_mac *memac, bool enable);
 int memac_cfg_fixed_link(struct fman_mac *memac,
 			 struct fixed_phy_status *fixed_link);
-int memac_enable(struct fman_mac *memac, enum comm_mode mode);
-int memac_disable(struct fman_mac *memac, enum comm_mode mode);
+int memac_enable(struct fman_mac *memac);
+int memac_disable(struct fman_mac *memac);
 int memac_init(struct fman_mac *memac);
 int memac_free(struct fman_mac *memac);
 int memac_accept_rx_pause_frames(struct fman_mac *memac, bool en);
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c
index 49930a5f2991..04a19cbe08a8 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c
@@ -392,7 +392,7 @@ static bool is_init_done(struct tgec_cfg *cfg)
 	return false;
 }
 
-int tgec_enable(struct fman_mac *tgec, enum comm_mode mode)
+int tgec_enable(struct fman_mac *tgec)
 {
 	struct tgec_regs __iomem *regs = tgec->regs;
 	u32 tmp;
@@ -401,16 +401,13 @@ int tgec_enable(struct fman_mac *tgec, enum comm_mode mode)
 		return -EINVAL;
 
 	tmp = ioread32be(&regs->command_config);
-	if (mode & COMM_MODE_RX)
-		tmp |= CMD_CFG_RX_EN;
-	if (mode & COMM_MODE_TX)
-		tmp |= CMD_CFG_TX_EN;
+	tmp |= CMD_CFG_RX_EN | CMD_CFG_TX_EN;
 	iowrite32be(tmp, &regs->command_config);
 
 	return 0;
 }
 
-int tgec_disable(struct fman_mac *tgec, enum comm_mode mode)
+int tgec_disable(struct fman_mac *tgec)
 {
 	struct tgec_regs __iomem *regs = tgec->regs;
 	u32 tmp;
@@ -419,10 +416,7 @@ int tgec_disable(struct fman_mac *tgec, enum comm_mode mode)
 		return -EINVAL;
 
 	tmp = ioread32be(&regs->command_config);
-	if (mode & COMM_MODE_RX)
-		tmp &= ~CMD_CFG_RX_EN;
-	if (mode & COMM_MODE_TX)
-		tmp &= ~CMD_CFG_TX_EN;
+	tmp &= ~(CMD_CFG_RX_EN | CMD_CFG_TX_EN);
 	iowrite32be(tmp, &regs->command_config);
 
 	return 0;
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.h b/drivers/net/ethernet/freescale/fman/fman_tgec.h
index 3b4ecde09bba..16d53f8dbcb1 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.h
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.h
@@ -12,8 +12,8 @@ struct fman_mac *tgec_config(struct fman_mac_params *params);
 int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val);
 int tgec_modify_mac_address(struct fman_mac *tgec, enet_addr_t *enet_addr);
 int tgec_cfg_max_frame_len(struct fman_mac *tgec, u16 new_val);
-int tgec_enable(struct fman_mac *tgec, enum comm_mode mode);
-int tgec_disable(struct fman_mac *tgec, enum comm_mode mode);
+int tgec_enable(struct fman_mac *tgec);
+int tgec_disable(struct fman_mac *tgec);
 int tgec_init(struct fman_mac *tgec);
 int tgec_free(struct fman_mac *tgec);
 int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en);
diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index 2b3c6cbefef6..a8d521760ffc 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -40,8 +40,8 @@ struct mac_priv_s {
 	u16				speed;
 	u16				max_speed;
 
-	int (*enable)(struct fman_mac *mac_dev, enum comm_mode mode);
-	int (*disable)(struct fman_mac *mac_dev, enum comm_mode mode);
+	int (*enable)(struct fman_mac *mac_dev);
+	int (*disable)(struct fman_mac *mac_dev);
 };
 
 struct mac_address {
@@ -247,7 +247,7 @@ static int start(struct mac_device *mac_dev)
 	struct phy_device *phy_dev = mac_dev->phy_dev;
 	struct mac_priv_s *priv = mac_dev->priv;
 
-	err = priv->enable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX);
+	err = priv->enable(mac_dev->fman_mac);
 	if (!err && phy_dev)
 		phy_start(phy_dev);
 
@@ -261,7 +261,7 @@ static int stop(struct mac_device *mac_dev)
 	if (mac_dev->phy_dev)
 		phy_stop(mac_dev->phy_dev);
 
-	return priv->disable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX);
+	return priv->disable(mac_dev->fman_mac);
 }
 
 static int set_multi(struct net_device *net_dev, struct mac_device *mac_dev)
-- 
2.35.1.1320.gc452695387.dirty

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