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Subject[PATCH 4/5] net: ethernet: stmmac: use xxxsetbits32
Date
This patch convert stmmac driver to use all xxxsetbits32 functions.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
.../net/ethernet/stmicro/stmmac/dwmac-meson8b.c | 54 +++++++----------
drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 55 ++++-------------
.../net/ethernet/stmicro/stmmac/dwmac1000_core.c | 21 +++----
drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 51 ++++++----------
drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 13 ++--
drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 42 +++----------
drivers/net/ethernet/stmicro/stmmac/dwmac5.c | 11 +---
drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c | 17 ++----
.../net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 30 ++++------
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 69 +++++-----------------
.../net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c | 11 +---
drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 7 +--
12 files changed, 108 insertions(+), 273 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
index c5979569fd60..035a2ab7b479 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -22,6 +22,7 @@
#include <linux/of_net.h>
#include <linux/mfd/syscon.h>
#include <linux/platform_device.h>
+#include <linux/setbits.h>
#include <linux/stmmac.h>

#include "stmmac_platform.h"
@@ -75,18 +76,6 @@ struct meson8b_dwmac_clk_configs {
struct clk_gate rgmii_tx_en;
};

-static void meson8b_dwmac_mask_bits(struct meson8b_dwmac *dwmac, u32 reg,
- u32 mask, u32 value)
-{
- u32 data;
-
- data = readl(dwmac->regs + reg);
- data &= ~mask;
- data |= (value & mask);
-
- writel(data, dwmac->regs + reg);
-}
-
static struct clk *meson8b_dwmac_register_clk(struct meson8b_dwmac *dwmac,
const char *name_suffix,
const char **parent_names,
@@ -192,14 +181,12 @@ static int meson8b_set_phy_mode(struct meson8b_dwmac *dwmac)
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_TXID:
/* enable RGMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
- PRG_ETH0_RGMII_MODE,
- PRG_ETH0_RGMII_MODE);
+ clrsetbits32(dwmac->regs + PRG_ETH0, PRG_ETH0_RGMII_MODE,
+ PRG_ETH0_RGMII_MODE);
break;
case PHY_INTERFACE_MODE_RMII:
/* disable RGMII mode -> enables RMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
- PRG_ETH0_RGMII_MODE, 0);
+ clrsetbits32(dwmac->regs + PRG_ETH0, PRG_ETH0_RGMII_MODE, 0);
break;
default:
dev_err(dwmac->dev, "fail to set phy-mode %s\n",
@@ -218,15 +205,15 @@ static int meson_axg_set_phy_mode(struct meson8b_dwmac *dwmac)
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_TXID:
/* enable RGMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
- PRG_ETH0_EXT_PHY_MODE_MASK,
- PRG_ETH0_EXT_RGMII_MODE);
+ clrsetbits32(dwmac->regs + PRG_ETH0,
+ PRG_ETH0_EXT_PHY_MODE_MASK,
+ PRG_ETH0_EXT_RGMII_MODE);
break;
case PHY_INTERFACE_MODE_RMII:
/* disable RGMII mode -> enables RMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
- PRG_ETH0_EXT_PHY_MODE_MASK,
- PRG_ETH0_EXT_RMII_MODE);
+ clrsetbits32(dwmac->regs + PRG_ETH0,
+ PRG_ETH0_EXT_PHY_MODE_MASK,
+ PRG_ETH0_EXT_RMII_MODE);
break;
default:
dev_err(dwmac->dev, "fail to set phy-mode %s\n",
@@ -255,11 +242,11 @@ static int meson8b_init_prg_eth(struct meson8b_dwmac *dwmac)
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_TXID:
/* only relevant for RMII mode -> disable in RGMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
- PRG_ETH0_INVERTED_RMII_CLK, 0);
+ clrsetbits32(dwmac->regs + PRG_ETH0,
+ PRG_ETH0_INVERTED_RMII_CLK, 0);

- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TXDLY_MASK,
- tx_dly_val << PRG_ETH0_TXDLY_SHIFT);
+ clrsetbits32(dwmac->regs + PRG_ETH0, PRG_ETH0_TXDLY_MASK,
+ tx_dly_val << PRG_ETH0_TXDLY_SHIFT);

/* Configure the 125MHz RGMII TX clock, the IP block changes
* the output automatically (= without us having to configure
@@ -287,13 +274,12 @@ static int meson8b_init_prg_eth(struct meson8b_dwmac *dwmac)

case PHY_INTERFACE_MODE_RMII:
/* invert internal clk_rmii_i to generate 25/2.5 tx_rx_clk */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
- PRG_ETH0_INVERTED_RMII_CLK,
- PRG_ETH0_INVERTED_RMII_CLK);
+ clrsetbits32(dwmac->regs + PRG_ETH0,
+ PRG_ETH0_INVERTED_RMII_CLK,
+ PRG_ETH0_INVERTED_RMII_CLK);

/* TX clock delay cannot be configured in RMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TXDLY_MASK,
- 0);
+ clrsetbits32(dwmac->regs + PRG_ETH0, PRG_ETH0_TXDLY_MASK, 0);

break;

@@ -304,8 +290,8 @@ static int meson8b_init_prg_eth(struct meson8b_dwmac *dwmac)
}

/* enable TX_CLK and PHY_REF_CLK generator */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TX_AND_PHY_REF_CLK,
- PRG_ETH0_TX_AND_PHY_REF_CLK);
+ clrsetbits32(dwmac->regs + PRG_ETH0, PRG_ETH0_TX_AND_PHY_REF_CLK,
+ PRG_ETH0_TX_AND_PHY_REF_CLK);

return 0;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 0f660af01a4b..3c7f531feadf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -27,6 +27,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/regmap.h>
+#include <linux/setbits.h>
#include <linux/stmmac.h>

#include "stmmac.h"
@@ -342,50 +343,27 @@ static void sun8i_dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan)

static void sun8i_dwmac_dma_start_tx(void __iomem *ioaddr, u32 chan)
{
- u32 v;
-
- v = readl(ioaddr + EMAC_TX_CTL1);
- v |= EMAC_TX_DMA_START;
- v |= EMAC_TX_DMA_EN;
- writel(v, ioaddr + EMAC_TX_CTL1);
+ setbits32(ioaddr + EMAC_TX_CTL1, EMAC_TX_DMA_START | EMAC_TX_DMA_EN);
}

static void sun8i_dwmac_enable_dma_transmission(void __iomem *ioaddr)
{
- u32 v;
-
- v = readl(ioaddr + EMAC_TX_CTL1);
- v |= EMAC_TX_DMA_START;
- v |= EMAC_TX_DMA_EN;
- writel(v, ioaddr + EMAC_TX_CTL1);
+ setbits32(ioaddr + EMAC_TX_CTL1, EMAC_TX_DMA_START | EMAC_TX_DMA_EN);
}

static void sun8i_dwmac_dma_stop_tx(void __iomem *ioaddr, u32 chan)
{
- u32 v;
-
- v = readl(ioaddr + EMAC_TX_CTL1);
- v &= ~EMAC_TX_DMA_EN;
- writel(v, ioaddr + EMAC_TX_CTL1);
+ clrbits32(ioaddr + EMAC_TX_CTL1, EMAC_TX_DMA_EN);
}

static void sun8i_dwmac_dma_start_rx(void __iomem *ioaddr, u32 chan)
{
- u32 v;
-
- v = readl(ioaddr + EMAC_RX_CTL1);
- v |= EMAC_RX_DMA_START;
- v |= EMAC_RX_DMA_EN;
- writel(v, ioaddr + EMAC_RX_CTL1);
+ setbits32(ioaddr + EMAC_RX_CTL1, EMAC_RX_DMA_START | EMAC_RX_DMA_EN);
}

static void sun8i_dwmac_dma_stop_rx(void __iomem *ioaddr, u32 chan)
{
- u32 v;
-
- v = readl(ioaddr + EMAC_RX_CTL1);
- v &= ~EMAC_RX_DMA_EN;
- writel(v, ioaddr + EMAC_RX_CTL1);
+ clrbits32(ioaddr + EMAC_RX_CTL1, EMAC_RX_DMA_EN);
}

static int sun8i_dwmac_dma_interrupt(void __iomem *ioaddr,
@@ -608,11 +586,8 @@ static void sun8i_dwmac_get_umac_addr(struct mac_device_info *hw,
static int sun8i_dwmac_rx_ipc_enable(struct mac_device_info *hw)
{
void __iomem *ioaddr = hw->pcsr;
- u32 v;

- v = readl(ioaddr + EMAC_RX_CTL0);
- v |= EMAC_RX_DO_CRC;
- writel(v, ioaddr + EMAC_RX_CTL0);
+ setbits32(ioaddr + EMAC_RX_CTL0, EMAC_RX_DO_CRC);

return 1;
}
@@ -662,21 +637,16 @@ static void sun8i_dwmac_flow_ctrl(struct mac_device_info *hw,
unsigned int pause_time, u32 tx_cnt)
{
void __iomem *ioaddr = hw->pcsr;
- u32 v;

- v = readl(ioaddr + EMAC_RX_CTL0);
if (fc == FLOW_AUTO)
- v |= EMAC_RX_FLOW_CTL_EN;
+ setbits32(ioaddr + EMAC_RX_CTL0, EMAC_RX_FLOW_CTL_EN);
else
- v &= ~EMAC_RX_FLOW_CTL_EN;
- writel(v, ioaddr + EMAC_RX_CTL0);
+ clrbits32(ioaddr + EMAC_RX_CTL0, EMAC_RX_FLOW_CTL_EN);

- v = readl(ioaddr + EMAC_TX_FLOW_CTL);
if (fc == FLOW_AUTO)
- v |= EMAC_TX_FLOW_CTL_EN;
+ setbits32(ioaddr + EMAC_TX_FLOW_CTL, EMAC_TX_FLOW_CTL_EN);
else
- v &= ~EMAC_TX_FLOW_CTL_EN;
- writel(v, ioaddr + EMAC_TX_FLOW_CTL);
+ clrbits32(ioaddr + EMAC_TX_FLOW_CTL, EMAC_TX_FLOW_CTL_EN);
}

static int sun8i_dwmac_reset(struct stmmac_priv *priv)
@@ -684,8 +654,7 @@ static int sun8i_dwmac_reset(struct stmmac_priv *priv)
u32 v;
int err;

- v = readl(priv->ioaddr + EMAC_BASIC_CTL1);
- writel(v | 0x01, priv->ioaddr + EMAC_BASIC_CTL1);
+ setbits32(priv->ioaddr + EMAC_BASIC_CTL1, 0x01);

/* The timeout was previoulsy set to 10ms, but some board (OrangePI0)
* need more if no cable plugged. 100ms seems OK
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 0877bde6e860..ca864c3d7ff3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -25,6 +25,7 @@
#include <linux/crc32.h>
#include <linux/slab.h>
#include <linux/ethtool.h>
+#include <linux/setbits.h>
#include <net/dsa.h>
#include <asm/io.h>
#include "stmmac.h"
@@ -355,7 +356,6 @@ static void dwmac1000_set_eee_mode(struct mac_device_info *hw,
bool en_tx_lpi_clockgating)
{
void __iomem *ioaddr = hw->pcsr;
- u32 value;

/*TODO - en_tx_lpi_clockgating treatment */

@@ -363,19 +363,16 @@ static void dwmac1000_set_eee_mode(struct mac_device_info *hw,
* receive path and instruct the transmit to enter in LPI
* state.
*/
- value = readl(ioaddr + LPI_CTRL_STATUS);
- value |= LPI_CTRL_STATUS_LPIEN | LPI_CTRL_STATUS_LPITXA;
- writel(value, ioaddr + LPI_CTRL_STATUS);
+ setbits32(ioaddr + LPI_CTRL_STATUS,
+ LPI_CTRL_STATUS_LPIEN | LPI_CTRL_STATUS_LPITXA);
}

static void dwmac1000_reset_eee_mode(struct mac_device_info *hw)
{
void __iomem *ioaddr = hw->pcsr;
- u32 value;

- value = readl(ioaddr + LPI_CTRL_STATUS);
- value &= ~(LPI_CTRL_STATUS_LPIEN | LPI_CTRL_STATUS_LPITXA);
- writel(value, ioaddr + LPI_CTRL_STATUS);
+ clrbits32(ioaddr + LPI_CTRL_STATUS,
+ (LPI_CTRL_STATUS_LPIEN | LPI_CTRL_STATUS_LPITXA));
}

static void dwmac1000_set_eee_pls(struct mac_device_info *hw, int link)
@@ -383,14 +380,10 @@ static void dwmac1000_set_eee_pls(struct mac_device_info *hw, int link)
void __iomem *ioaddr = hw->pcsr;
u32 value;

- value = readl(ioaddr + LPI_CTRL_STATUS);
-
if (link)
- value |= LPI_CTRL_STATUS_PLS;
+ setbits32(ioaddr + LPI_CTRL_STATUS, LPI_CTRL_STATUS_PLS);
else
- value &= ~LPI_CTRL_STATUS_PLS;
-
- writel(value, ioaddr + LPI_CTRL_STATUS);
+ clrbits32(ioaddr + LPI_CTRL_STATUS, LPI_CTRL_STATUS_PLS);
}

static void dwmac1000_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 7e5d5db0d516..998695cbf3c2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -17,6 +17,8 @@
#include <linux/slab.h>
#include <linux/ethtool.h>
#include <linux/io.h>
+#include <linux/setbits.h>
+#include <linux/setbits.h>
#include <net/dsa.h>
#include "stmmac.h"
#include "stmmac_pcs.h"
@@ -85,16 +87,11 @@ static void dwmac4_rx_queue_priority(struct mac_device_info *hw,
{
void __iomem *ioaddr = hw->pcsr;
u32 base_register;
- u32 value;

base_register = (queue < 4) ? GMAC_RXQ_CTRL2 : GMAC_RXQ_CTRL3;

- value = readl(ioaddr + base_register);
-
- value &= ~GMAC_RXQCTRL_PSRQX_MASK(queue);
- value |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
- GMAC_RXQCTRL_PSRQX_MASK(queue);
- writel(value, ioaddr + base_register);
+ clrsetbits32(ioaddr + base_register, GMAC_RXQCTRL_PSRQX_MASK(queue),
+ (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) & GMAC_RXQCTRL_PSRQX_MASK(queue));
}

static void dwmac4_tx_queue_priority(struct mac_device_info *hw,
@@ -102,17 +99,11 @@ static void dwmac4_tx_queue_priority(struct mac_device_info *hw,
{
void __iomem *ioaddr = hw->pcsr;
u32 base_register;
- u32 value;

base_register = (queue < 4) ? GMAC_TXQ_PRTY_MAP0 : GMAC_TXQ_PRTY_MAP1;

- value = readl(ioaddr + base_register);
-
- value &= ~GMAC_TXQCTRL_PSTQX_MASK(queue);
- value |= (prio << GMAC_TXQCTRL_PSTQX_SHIFT(queue)) &
- GMAC_TXQCTRL_PSTQX_MASK(queue);
-
- writel(value, ioaddr + base_register);
+ clrsetbits32(ioaddr + base_register, GMAC_TXQCTRL_PSTQX_MASK(queue),
+ (prio << GMAC_TXQCTRL_PSTQX_SHIFT(queue)) & GMAC_TXQCTRL_PSTQX_MASK(queue));
}

static void dwmac4_rx_queue_routing(struct mac_device_info *hw,
@@ -198,11 +189,9 @@ static void dwmac4_set_mtl_tx_queue_weight(struct mac_device_info *hw,
u32 weight, u32 queue)
{
void __iomem *ioaddr = hw->pcsr;
- u32 value = readl(ioaddr + MTL_TXQX_WEIGHT_BASE_ADDR(queue));
-
- value &= ~MTL_TXQ_WEIGHT_ISCQW_MASK;
- value |= weight & MTL_TXQ_WEIGHT_ISCQW_MASK;
- writel(value, ioaddr + MTL_TXQX_WEIGHT_BASE_ADDR(queue));
+ clrsetbits32(ioaddr + MTL_TXQX_WEIGHT_BASE_ADDR(queue),
+ MTL_TXQ_WEIGHT_ISCQW_MASK,
+ weight & MTL_TXQ_WEIGHT_ISCQW_MASK);
}

static void dwmac4_map_mtl_dma(struct mac_device_info *hw, u32 queue, u32 chan)
@@ -243,10 +232,8 @@ static void dwmac4_config_cbs(struct mac_device_info *hw,
pr_debug("\tlow_credit: 0x%08x\n", low_credit);

/* enable AV algorithm */
- value = readl(ioaddr + MTL_ETSX_CTRL_BASE_ADDR(queue));
- value |= MTL_ETS_CTRL_AVALG;
- value |= MTL_ETS_CTRL_CC;
- writel(value, ioaddr + MTL_ETSX_CTRL_BASE_ADDR(queue));
+ setbits32(ioaddr + MTL_ETSX_CTRL_BASE_ADDR(queue),
+ MTL_ETS_CTRL_AVALG | MTL_ETS_CTRL_CC);

/* configure send slope */
value = readl(ioaddr + MTL_SEND_SLP_CREDX_BASE_ADDR(queue));
@@ -360,11 +347,9 @@ static void dwmac4_set_eee_mode(struct mac_device_info *hw,
static void dwmac4_reset_eee_mode(struct mac_device_info *hw)
{
void __iomem *ioaddr = hw->pcsr;
- u32 value;

- value = readl(ioaddr + GMAC4_LPI_CTRL_STATUS);
- value &= ~(GMAC4_LPI_CTRL_STATUS_LPIEN | GMAC4_LPI_CTRL_STATUS_LPITXA);
- writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);
+ clrbits32(ioaddr + GMAC4_LPI_CTRL_STATUS,
+ (GMAC4_LPI_CTRL_STATUS_LPIEN | GMAC4_LPI_CTRL_STATUS_LPITXA));
}

static void dwmac4_set_eee_pls(struct mac_device_info *hw, int link)
@@ -372,14 +357,12 @@ static void dwmac4_set_eee_pls(struct mac_device_info *hw, int link)
void __iomem *ioaddr = hw->pcsr;
u32 value;

- value = readl(ioaddr + GMAC4_LPI_CTRL_STATUS);
-
if (link)
- value |= GMAC4_LPI_CTRL_STATUS_PLS;
+ setbits32(ioaddr + GMAC4_LPI_CTRL_STATUS,
+ GMAC4_LPI_CTRL_STATUS_PLS);
else
- value &= ~GMAC4_LPI_CTRL_STATUS_PLS;
-
- writel(value, ioaddr + GMAC4_LPI_CTRL_STATUS);
+ clrbits32(ioaddr + GMAC4_LPI_CTRL_STATUS,
+ GMAC4_LPI_CTRL_STATUS_PLS);
}

static void dwmac4_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index edb6053bd980..63c582ff24a1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -14,6 +14,7 @@
*/

#include <linux/io.h>
+#include <linux/setbits.h>
#include "dwmac4.h"
#include "dwmac4_dma.h"

@@ -270,9 +271,7 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,
writel(mtl_rx_op, ioaddr + MTL_CHAN_RX_OP_MODE(channel));

/* Enable MTL RX overflow */
- mtl_rx_int = readl(ioaddr + MTL_CHAN_INT_CTRL(channel));
- writel(mtl_rx_int | MTL_RX_OVERFLOW_INT_EN,
- ioaddr + MTL_CHAN_INT_CTRL(channel));
+ setbits32(ioaddr + MTL_CHAN_INT_CTRL(channel), MTL_RX_OVERFLOW_INT_EN);
}

static void dwmac4_dma_tx_chan_op_mode(void __iomem *ioaddr, int mode,
@@ -422,12 +421,8 @@ static void dwmac4_qmode(void __iomem *ioaddr, u32 channel, u8 qmode)

static void dwmac4_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CHAN_RX_CONTROL(chan));
-
- value &= ~DMA_RBSZ_MASK;
- value |= (bfsize << DMA_RBSZ_SHIFT) & DMA_RBSZ_MASK;
-
- writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
+ clrsetbits32(ioaddr + DMA_CHAN_RX_CONTROL(chan), DMA_RBSZ_MASK,
+ (bfsize << DMA_RBSZ_SHIFT) & DMA_RBSZ_MASK);
}

const struct stmmac_dma_ops dwmac4_dma_ops = {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
index 49f5687879df..5f699cf54e17 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
@@ -10,6 +10,7 @@

#include <linux/io.h>
#include <linux/delay.h>
+#include <linux/setbits.h>
#include "common.h"
#include "dwmac4_dma.h"
#include "dwmac4.h"
@@ -47,51 +48,26 @@ void dwmac4_set_tx_tail_ptr(void __iomem *ioaddr, u32 tail_ptr, u32 chan)

void dwmac4_dma_start_tx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CHAN_TX_CONTROL(chan));
-
- value |= DMA_CONTROL_ST;
- writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan));
-
- value = readl(ioaddr + GMAC_CONFIG);
- value |= GMAC_CONFIG_TE;
- writel(value, ioaddr + GMAC_CONFIG);
+ setbits32(ioaddr + DMA_CHAN_TX_CONTROL(chan), DMA_CONTROL_ST);
+ setbits32(ioaddr + GMAC_CONFIG, GMAC_CONFIG_TE);
}

void dwmac4_dma_stop_tx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CHAN_TX_CONTROL(chan));
-
- value &= ~DMA_CONTROL_ST;
- writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan));
-
- value = readl(ioaddr + GMAC_CONFIG);
- value &= ~GMAC_CONFIG_TE;
- writel(value, ioaddr + GMAC_CONFIG);
+ clrbits32(ioaddr + DMA_CHAN_TX_CONTROL(chan), DMA_CONTROL_ST);
+ clrbits32(ioaddr + GMAC_CONFIG, GMAC_CONFIG_TE);
}

void dwmac4_dma_start_rx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CHAN_RX_CONTROL(chan));
-
- value |= DMA_CONTROL_SR;
-
- writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
-
- value = readl(ioaddr + GMAC_CONFIG);
- value |= GMAC_CONFIG_RE;
- writel(value, ioaddr + GMAC_CONFIG);
+ setbits32(ioaddr + DMA_CHAN_RX_CONTROL(chan), DMA_CONTROL_SR);
+ setbits32(ioaddr + GMAC_CONFIG, GMAC_CONFIG_RE);
}

void dwmac4_dma_stop_rx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CHAN_RX_CONTROL(chan));
-
- value &= ~DMA_CONTROL_SR;
- writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
-
- value = readl(ioaddr + GMAC_CONFIG);
- value &= ~GMAC_CONFIG_RE;
- writel(value, ioaddr + GMAC_CONFIG);
+ clrbits32(ioaddr + DMA_CHAN_RX_CONTROL(chan), DMA_CONTROL_SR);
+ clrbits32(ioaddr + GMAC_CONFIG, GMAC_CONFIG_RE);
}

void dwmac4_set_tx_ring_len(void __iomem *ioaddr, u32 len, u32 chan)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index 3f4f3132e16b..aec2fb884477 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -4,6 +4,7 @@

#include <linux/bitops.h>
#include <linux/iopoll.h>
+#include <linux/setbits.h>
#include "common.h"
#include "dwmac4.h"
#include "dwmac5.h"
@@ -307,9 +308,7 @@ static int dwmac5_rxp_disable(void __iomem *ioaddr)
u32 val;
int ret;

- val = readl(ioaddr + MTL_OPERATION_MODE);
- val &= ~MTL_FRPE;
- writel(val, ioaddr + MTL_OPERATION_MODE);
+ clrbits32(ioaddr + MTL_OPERATION_MODE, MTL_FRPE);

ret = readl_poll_timeout(ioaddr + MTL_RXP_CONTROL_STATUS, val,
val & RXPI, 1, 10000);
@@ -320,11 +319,7 @@ static int dwmac5_rxp_disable(void __iomem *ioaddr)

static void dwmac5_rxp_enable(void __iomem *ioaddr)
{
- u32 val;
-
- val = readl(ioaddr + MTL_OPERATION_MODE);
- val |= MTL_FRPE;
- writel(val, ioaddr + MTL_OPERATION_MODE);
+ setbits32(ioaddr + MTL_OPERATION_MODE, MTL_FRPE);
}

static int dwmac5_rxp_update_single_entry(void __iomem *ioaddr,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
index 7516ca210855..acecb9f0ee4b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -18,6 +18,7 @@

#include <linux/io.h>
#include <linux/iopoll.h>
+#include <linux/setbits.h>
#include "common.h"
#include "dwmac_dma.h"

@@ -59,30 +60,22 @@ void dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan)

void dwmac_dma_start_tx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CONTROL);
- value |= DMA_CONTROL_ST;
- writel(value, ioaddr + DMA_CONTROL);
+ setbits32(ioaddr + DMA_CONTROL, DMA_CONTROL_ST);
}

void dwmac_dma_stop_tx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CONTROL);
- value &= ~DMA_CONTROL_ST;
- writel(value, ioaddr + DMA_CONTROL);
+ clrbits32(ioaddr + DMA_CONTROL, DMA_CONTROL_ST);
}

void dwmac_dma_start_rx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CONTROL);
- value |= DMA_CONTROL_SR;
- writel(value, ioaddr + DMA_CONTROL);
+ setbits32(ioaddr + DMA_CONTROL, DMA_CONTROL_SR);
}

void dwmac_dma_stop_rx(void __iomem *ioaddr, u32 chan)
{
- u32 value = readl(ioaddr + DMA_CONTROL);
- value &= ~DMA_CONTROL_SR;
- writel(value, ioaddr + DMA_CONTROL);
+ clrbits32(ioaddr + DMA_CONTROL, DMA_CONTROL_SR);
}

#ifdef DWMAC_DMA_DEBUG
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 64b8cb88ea45..fc7df8de2ba7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -4,6 +4,7 @@
* stmmac XGMAC support.
*/

+#include <linux/setbits.h>
#include "stmmac.h"
#include "dwxgmac2.h"

@@ -75,12 +76,10 @@ static int dwxgmac2_rx_ipc(struct mac_device_info *hw)
void __iomem *ioaddr = hw->pcsr;
u32 value;

- value = readl(ioaddr + XGMAC_RX_CONFIG);
if (hw->rx_csum)
- value |= XGMAC_CONFIG_IPC;
+ setbits32(ioaddr + XGMAC_RX_CONFIG, XGMAC_CONFIG_IPC);
else
- value &= ~XGMAC_CONFIG_IPC;
- writel(value, ioaddr + XGMAC_RX_CONFIG);
+ clrbits32(ioaddr + XGMAC_RX_CONFIG, XGMAC_CONFIG_IPC);

return !!(readl(ioaddr + XGMAC_RX_CONFIG) & XGMAC_CONFIG_IPC);
}
@@ -107,11 +106,8 @@ static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio,

reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3;

- value = readl(ioaddr + reg);
- value &= ~XGMAC_PSRQ(queue);
- value |= (prio << XGMAC_PSRQ_SHIFT(queue)) & XGMAC_PSRQ(queue);
-
- writel(value, ioaddr + reg);
+ clrsetbits32(ioaddr + reg, XGMAC_PSRQ(queue),
+ (prio << XGMAC_PSRQ_SHIFT(queue)) & XGMAC_PSRQ(queue));
}

static void dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info *hw,
@@ -170,11 +166,8 @@ static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,

reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1;

- value = readl(ioaddr + reg);
- value &= ~XGMAC_QxMDMACH(queue);
- value |= (chan << XGMAC_QxMDMACH_SHIFT(queue)) & XGMAC_QxMDMACH(queue);
-
- writel(value, ioaddr + reg);
+ clrsetbits32(ioaddr + reg, XGMAC_QxMDMACH(queue),
+ (chan << XGMAC_QxMDMACH_SHIFT(queue)) & XGMAC_QxMDMACH(queue));
}

static void dwxgmac2_config_cbs(struct mac_device_info *hw,
@@ -189,9 +182,8 @@ static void dwxgmac2_config_cbs(struct mac_device_info *hw,
writel(high_credit, ioaddr + XGMAC_MTL_TCx_HICREDIT(queue));
writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue));

- value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
- value |= XGMAC_CC | XGMAC_CBS;
- writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
+ setbits32(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue),
+ XGMAC_CC | XGMAC_CBS);
}

static int dwxgmac2_host_irq_status(struct mac_device_info *hw,
@@ -263,9 +255,7 @@ static void dwxgmac2_pmt(struct mac_device_info *hw, unsigned long mode)
if (mode & WAKE_UCAST)
val |= XGMAC_PWRDWN | XGMAC_GLBLUCAST | XGMAC_RWKPKTEN;
if (val) {
- u32 cfg = readl(ioaddr + XGMAC_RX_CONFIG);
- cfg |= XGMAC_CONFIG_RE;
- writel(cfg, ioaddr + XGMAC_RX_CONFIG);
+ setbits32(ioaddr + XGMAC_RX_CONFIG, XGMAC_CONFIG_RE);
}

writel(val, ioaddr + XGMAC_PMT);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index 6c5092e7771c..7a7d584211e9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -5,6 +5,7 @@
*/

#include <linux/iopoll.h>
+#include <linux/setbits.h>
#include "stmmac.h"
#include "dwxgmac2.h"

@@ -47,12 +48,9 @@ static void dwxgmac2_dma_init_rx_chan(void __iomem *ioaddr,
u32 dma_rx_phy, u32 chan)
{
u32 rxpbl = dma_cfg->rxpbl ?: dma_cfg->pbl;
- u32 value;

- value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
- value &= ~XGMAC_RxPBL;
- value |= (rxpbl << XGMAC_RxPBL_SHIFT) & XGMAC_RxPBL;
- writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
+ clrsetbits32(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan), XGMAC_RxPBL,
+ (rxpbl << XGMAC_RxPBL_SHIFT) & XGMAC_RxPBL);

writel(dma_rx_phy, ioaddr + XGMAC_DMA_CH_RxDESC_LADDR(chan));
}
@@ -150,8 +148,7 @@ static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode,
writel(value, ioaddr + XGMAC_MTL_RXQ_OPMODE(channel));

/* Enable MTL RX overflow */
- value = readl(ioaddr + XGMAC_MTL_QINTEN(channel));
- writel(value | XGMAC_RXOIE, ioaddr + XGMAC_MTL_QINTEN(channel));
+ setbits32(ioaddr + XGMAC_MTL_QINTEN(channel), XGMAC_RXOIE);
}

static void dwxgmac2_dma_tx_mode(void __iomem *ioaddr, int mode,
@@ -209,54 +206,26 @@ static void dwxgmac2_disable_dma_irq(void __iomem *ioaddr, u32 chan)

static void dwxgmac2_dma_start_tx(void __iomem *ioaddr, u32 chan)
{
- u32 value;
-
- value = readl(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan));
- value |= XGMAC_TXST;
- writel(value, ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan));
-
- value = readl(ioaddr + XGMAC_TX_CONFIG);
- value |= XGMAC_CONFIG_TE;
- writel(value, ioaddr + XGMAC_TX_CONFIG);
+ setbits32(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan), XGMAC_TXST);
+ setbits32(ioaddr + XGMAC_TX_CONFIG, XGMAC_CONFIG_TE);
}

static void dwxgmac2_dma_stop_tx(void __iomem *ioaddr, u32 chan)
{
- u32 value;
-
- value = readl(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan));
- value &= ~XGMAC_TXST;
- writel(value, ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan));
-
- value = readl(ioaddr + XGMAC_TX_CONFIG);
- value &= ~XGMAC_CONFIG_TE;
- writel(value, ioaddr + XGMAC_TX_CONFIG);
+ clrbits32(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan), XGMAC_TXST);
+ clrbits32(ioaddr + XGMAC_TX_CONFIG, XGMAC_CONFIG_TE);
}

static void dwxgmac2_dma_start_rx(void __iomem *ioaddr, u32 chan)
{
- u32 value;
-
- value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
- value |= XGMAC_RXST;
- writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
-
- value = readl(ioaddr + XGMAC_RX_CONFIG);
- value |= XGMAC_CONFIG_RE;
- writel(value, ioaddr + XGMAC_RX_CONFIG);
+ setbits32(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan), XGMAC_RXST);
+ setbits32(ioaddr + XGMAC_RX_CONFIG, XGMAC_CONFIG_RE);
}

static void dwxgmac2_dma_stop_rx(void __iomem *ioaddr, u32 chan)
{
- u32 value;
-
- value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
- value &= ~XGMAC_RXST;
- writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
-
- value = readl(ioaddr + XGMAC_RX_CONFIG);
- value &= ~XGMAC_CONFIG_RE;
- writel(value, ioaddr + XGMAC_RX_CONFIG);
+ clrbits32(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan), XGMAC_RXST);
+ clrbits32(ioaddr + XGMAC_RX_CONFIG, XGMAC_CONFIG_RE);
}

static int dwxgmac2_dma_interrupt(void __iomem *ioaddr,
@@ -367,14 +336,10 @@ static void dwxgmac2_set_tx_tail_ptr(void __iomem *ioaddr, u32 ptr, u32 chan)

static void dwxgmac2_enable_tso(void __iomem *ioaddr, bool en, u32 chan)
{
- u32 value = readl(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan));
-
if (en)
- value |= XGMAC_TSE;
+ setbits32(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan), XGMAC_TSE);
else
- value &= ~XGMAC_TSE;
-
- writel(value, ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan));
+ clrbits32(ioaddr + XGMAC_DMA_CH_TX_CONTROL(chan), XGMAC_TSE);
}

static void dwxgmac2_qmode(void __iomem *ioaddr, u32 channel, u8 qmode)
@@ -394,11 +359,7 @@ static void dwxgmac2_qmode(void __iomem *ioaddr, u32 channel, u8 qmode)

static void dwxgmac2_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan)
{
- u32 value;
-
- value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
- value |= bfsize << 1;
- writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
+ setbits32(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan), bfsize << 1);
}

const struct stmmac_dma_ops dwxgmac210_dma_ops = {
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
index 8d9cc2157afd..8680fb4b1fa8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -21,6 +21,7 @@

#include <linux/io.h>
#include <linux/delay.h>
+#include <linux/setbits.h>
#include "common.h"
#include "stmmac_ptp.h"

@@ -64,14 +65,11 @@ static void config_sub_second_increment(void __iomem *ioaddr,
static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)
{
int limit;
- u32 value;

writel(sec, ioaddr + PTP_STSUR);
writel(nsec, ioaddr + PTP_STNSUR);
/* issue command to initialize the system time value */
- value = readl(ioaddr + PTP_TCR);
- value |= PTP_TCR_TSINIT;
- writel(value, ioaddr + PTP_TCR);
+ setbits32(ioaddr + PTP_TCR, PTP_TCR_TSINIT);

/* wait for present system time initialize to complete */
limit = 10;
@@ -88,14 +86,11 @@ static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)

static int config_addend(void __iomem *ioaddr, u32 addend)
{
- u32 value;
int limit;

writel(addend, ioaddr + PTP_TAR);
/* issue command to update the addend value */
- value = readl(ioaddr + PTP_TCR);
- value |= PTP_TCR_TSADDREG;
- writel(value, ioaddr + PTP_TCR);
+ setbits32(ioaddr + PTP_TCR, PTP_TCR_TSADDREG);

/* wait for present addend update to complete */
limit = 10;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index b72ef171477e..b9cdf951eda6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -27,6 +27,7 @@
#include <linux/of_gpio.h>
#include <linux/of_mdio.h>
#include <linux/phy.h>
+#include <linux/setbits.h>
#include <linux/slab.h>

#include "dwxgmac2.h"
@@ -64,10 +65,8 @@ static int stmmac_xgmac2_c22_format(struct stmmac_priv *priv, int phyaddr,
return -EBUSY;

/* Set port as Clause 22 */
- tmp = readl(priv->ioaddr + XGMAC_MDIO_C22P);
- tmp &= ~MII_XGMAC_C22P_MASK;
- tmp |= BIT(phyaddr);
- writel(tmp, priv->ioaddr + XGMAC_MDIO_C22P);
+ clrsetbits32(priv->ioaddr + XGMAC_MDIO_C22P, MII_XGMAC_C22P_MASK,
+ BIT(phyaddr));

*hw_addr = (phyaddr << 16) | (phyreg & 0x1f);
return 0;
--
2.16.4
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