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Subject[PATCH v3 5/7] net: ethernet: stmmac: dwmac-sun8i: use xxxsetbits_le32
Date
This patch convert dwmac-sun8i driver to use all xxxsetbits_le32 functions.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
.../net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 62 +++++--------------
1 file changed, 16 insertions(+), 46 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index f9a61f90cfbc..74067a59af50 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -28,6 +28,7 @@
#include <linux/regulator/consumer.h>
#include <linux/regmap.h>
#include <linux/stmmac.h>
+#include <linux/setbits.h>

#include "stmmac.h"
#include "stmmac_platform.h"
@@ -342,50 +343,30 @@ 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);
+ setbits_le32(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);
+ setbits_le32(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);
+ clrbits_le32(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);
+ setbits_le32(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);
+ clrbits_le32(ioaddr + EMAC_RX_CTL1, EMAC_RX_DMA_EN);
}

static int sun8i_dwmac_dma_interrupt(void __iomem *ioaddr,
@@ -578,7 +559,6 @@ static void sun8i_dwmac_set_umac_addr(struct mac_device_info *hw,
unsigned int reg_n)
{
void __iomem *ioaddr = hw->pcsr;
- u32 v;

if (!addr) {
writel(0, ioaddr + EMAC_MACADDR_HI(reg_n));
@@ -588,9 +568,8 @@ static void sun8i_dwmac_set_umac_addr(struct mac_device_info *hw,
stmmac_set_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),
EMAC_MACADDR_LO(reg_n));
if (reg_n > 0) {
- v = readl(ioaddr + EMAC_MACADDR_HI(reg_n));
- v |= MAC_ADDR_TYPE_DST;
- writel(v, ioaddr + EMAC_MACADDR_HI(reg_n));
+ setbits_le32(ioaddr + EMAC_MACADDR_HI(reg_n),
+ MAC_ADDR_TYPE_DST);
}
}

@@ -608,11 +587,8 @@ 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);
+ setbits_le32(ioaddr + EMAC_RX_CTL0, EMAC_RX_DO_CRC);

return 1;
}
@@ -662,21 +638,15 @@ 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;
+ setbits_le32(ioaddr + EMAC_RX_CTL0, EMAC_RX_FLOW_CTL_EN);
else
- v &= ~EMAC_RX_FLOW_CTL_EN;
- writel(v, ioaddr + EMAC_RX_CTL0);
-
- v = readl(ioaddr + EMAC_TX_FLOW_CTL);
+ clrbits_le32(ioaddr + EMAC_RX_CTL0, EMAC_RX_FLOW_CTL_EN);
if (fc == FLOW_AUTO)
- v |= EMAC_TX_FLOW_CTL_EN;
+ setbits_le32(ioaddr + EMAC_TX_FLOW_CTL, EMAC_TX_FLOW_CTL_EN);
else
- v &= ~EMAC_TX_FLOW_CTL_EN;
- writel(v, ioaddr + EMAC_TX_FLOW_CTL);
+ clrbits_le32(ioaddr + EMAC_TX_FLOW_CTL, EMAC_TX_FLOW_CTL_EN);
}

static int sun8i_dwmac_reset(struct stmmac_priv *priv)
--
2.18.1
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