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net: bcmgenet: tweak init_umac() 

Use more meaningful variable names int0_enable and int1_enable when
enabling bcmgenet interrupts.

For Rx default queue interrupts, use:
UMAC_IRQ_RXDMA_BDONE | UMAC_IRQ_RXDMA_PDONE

For Tx default queue interrupts, use:
UMAC_IRQ_TXDMA_BDONE | UMAC_IRQ_TXDMA_PDONE

Signed-off-by: Petri Gynther <pgynther@google.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petri Gynther 2015-03-25 12:35:12 -07:00 committed by David S. Miller
parent ebbd96fb28
commit b2e97eca88
1 changed files with 20 additions and 13 deletions
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33
drivers/net/ethernet/broadcom/genet/bcmgenet.c
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@ -1652,8 +1652,10 @@ static int init_umac(struct bcmgenet_priv *priv)
{
struct device *kdev = &priv->pdev->dev;
int ret;
u32 reg, cpu_mask_clear;
int index;
u32 reg;
u32 int0_enable = 0;
u32 int1_enable = 0;
int i;
dev_dbg(&priv->pdev->dev, "bcmgenet: init_umac\n");
@ -1680,15 +1682,17 @@ static int init_umac(struct bcmgenet_priv *priv)
bcmgenet_intr_disable(priv);
cpu_mask_clear = UMAC_IRQ_RXDMA_BDONE | UMAC_IRQ_TXDMA_BDONE;
/* Enable Rx default queue 16 interrupts */
int0_enable |= (UMAC_IRQ_RXDMA_BDONE | UMAC_IRQ_RXDMA_PDONE);
dev_dbg(kdev, "%s:Enabling RXDMA_BDONE interrupt\n", __func__);
/* Enable Tx default queue 16 interrupts */
int0_enable |= (UMAC_IRQ_TXDMA_BDONE | UMAC_IRQ_TXDMA_PDONE);
/* Monitor cable plug/unplugged event for internal PHY */
if (phy_is_internal(priv->phydev)) {
cpu_mask_clear |= (UMAC_IRQ_LINK_DOWN | UMAC_IRQ_LINK_UP);
int0_enable |= (UMAC_IRQ_LINK_DOWN | UMAC_IRQ_LINK_UP);
} else if (priv->ext_phy) {
cpu_mask_clear |= (UMAC_IRQ_LINK_DOWN | UMAC_IRQ_LINK_UP);
int0_enable |= (UMAC_IRQ_LINK_DOWN | UMAC_IRQ_LINK_UP);
} else if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) {
reg = bcmgenet_bp_mc_get(priv);
reg |= BIT(priv->hw_params->bp_in_en_shift);
@ -1703,13 +1707,14 @@ static int init_umac(struct bcmgenet_priv *priv)
/* Enable MDIO interrupts on GENET v3+ */
if (priv->hw_params->flags & GENET_HAS_MDIO_INTR)
cpu_mask_clear |= UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR;
int0_enable |= (UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR);
bcmgenet_intrl2_0_writel(priv, cpu_mask_clear, INTRL2_CPU_MASK_CLEAR);
/* Enable Tx priority queue interrupts */
for (i = 0; i < priv->hw_params->tx_queues; ++i)
int1_enable |= (1 << i);
for (index = 0; index < priv->hw_params->tx_queues; index++)
bcmgenet_intrl2_1_writel(priv, (1 << index),
INTRL2_CPU_MASK_CLEAR);
bcmgenet_intrl2_0_writel(priv, int0_enable, INTRL2_CPU_MASK_CLEAR);
bcmgenet_intrl2_1_writel(priv, int1_enable, INTRL2_CPU_MASK_CLEAR);
/* Enable rx/tx engine.*/
dev_dbg(kdev, "done init umac\n");
@ -2111,7 +2116,8 @@ static int bcmgenet_poll(struct napi_struct *napi, int budget)
if (work_done < budget) {
napi_complete(napi);
bcmgenet_intrl2_0_writel(priv, UMAC_IRQ_RXDMA_BDONE,
bcmgenet_intrl2_0_writel(priv, UMAC_IRQ_RXDMA_BDONE |
UMAC_IRQ_RXDMA_PDONE,
INTRL2_CPU_MASK_CLEAR);
}
@ -2198,7 +2204,8 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id)
* Disable interrupt, will be enabled in the poll method.
*/
if (likely(napi_schedule_prep(&priv->napi))) {
bcmgenet_intrl2_0_writel(priv, UMAC_IRQ_RXDMA_BDONE,
bcmgenet_intrl2_0_writel(priv, UMAC_IRQ_RXDMA_BDONE |
UMAC_IRQ_RXDMA_PDONE,
INTRL2_CPU_MASK_SET);
__napi_schedule(&priv->napi);
}