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stmmac: remove the mmc code (v3)

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DWMAC Management Counters (MMC) are not fully support.
The minimal support added in the past allowed to
only disable counters (if present) and mask their
interrupts.
This patch prepares the driver to support the MMC
removing obsolete code.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Giuseppe CAVALLARO 2011-09-01 21:51:36 +00:00 committed by David S. Miller
parent 2e19a3818b
commit 26a051cc2c
4 changed files with 0 additions and 28 deletions
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11
drivers/net/ethernet/stmicro/stmmac/common.h
View File

@ -130,17 +130,6 @@ enum tx_dma_irq_status {
#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */
#define MAC_RNABLE_RX 0x00000004 /* Receiver Enable */
/* MAC Management Counters register */
#define MMC_CONTROL 0x00000100 /* MMC Control */
#define MMC_HIGH_INTR 0x00000104 /* MMC High Interrupt */
#define MMC_LOW_INTR 0x00000108 /* MMC Low Interrupt */
#define MMC_HIGH_INTR_MASK 0x0000010c /* MMC High Interrupt Mask */
#define MMC_LOW_INTR_MASK 0x00000110 /* MMC Low Interrupt Mask */
#define MMC_CONTROL_MAX_FRM_MASK 0x0003ff8 /* Maximum Frame Size */
#define MMC_CONTROL_MAX_FRM_SHIFT 3
#define MMC_CONTROL_MAX_FRAME 0x7FF
struct stmmac_desc_ops {
/* DMA RX descriptor ring initialization */
void (*init_rx_desc) (struct dma_desc *p, unsigned int ring_size,

2
drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
View File

@ -37,8 +37,6 @@ static void dwmac1000_core_init(void __iomem *ioaddr)
value |= GMAC_CORE_INIT;
writel(value, ioaddr + GMAC_CONTROL);
/* Freeze MMC counters */
writel(0x8, ioaddr + GMAC_MMC_CTRL);
/* Mask GMAC interrupts */
writel(0x207, ioaddr + GMAC_INT_MASK);

11
drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
View File

@ -70,17 +70,6 @@ static void dwmac100_dump_mac_regs(void __iomem *ioaddr)
readl(ioaddr + MAC_VLAN1));
pr_info("\tVLAN2 tag (offset 0x%x): 0x%08x\n", MAC_VLAN2,
readl(ioaddr + MAC_VLAN2));
pr_info("\n\tMAC management counter registers\n");
pr_info("\t MMC crtl (offset 0x%x): 0x%08x\n",
MMC_CONTROL, readl(ioaddr + MMC_CONTROL));
pr_info("\t MMC High Interrupt (offset 0x%x): 0x%08x\n",
MMC_HIGH_INTR, readl(ioaddr + MMC_HIGH_INTR));
pr_info("\t MMC Low Interrupt (offset 0x%x): 0x%08x\n",
MMC_LOW_INTR, readl(ioaddr + MMC_LOW_INTR));
pr_info("\t MMC High Interrupt Mask (offset 0x%x): 0x%08x\n",
MMC_HIGH_INTR_MASK, readl(ioaddr + MMC_HIGH_INTR_MASK));
pr_info("\t MMC Low Interrupt Mask (offset 0x%x): 0x%08x\n",
MMC_LOW_INTR_MASK, readl(ioaddr + MMC_LOW_INTR_MASK));
}
static void dwmac100_irq_status(void __iomem *ioaddr)

4
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -827,10 +827,6 @@ static int stmmac_open(struct net_device *dev)
pr_info("\tTX Checksum insertion supported\n");
netdev_update_features(dev);
/* Initialise the MMC (if present) to disable all interrupts. */
writel(0xffffffff, priv->ioaddr + MMC_HIGH_INTR_MASK);
writel(0xffffffff, priv->ioaddr + MMC_LOW_INTR_MASK);
/* Request the IRQ lines */
ret = request_irq(dev->irq, stmmac_interrupt,
IRQF_SHARED, dev->name, dev);