net/axgbe: add debug logs

[dpdk.git] / drivers / net / axgbe / axgbe_i2c.c

diff --git a/drivers/net/axgbe/axgbe_i2c.c b/drivers/net/axgbe/axgbe_i2c.c
index 204ec36..ab3738a 100644 (file)
--- a/drivers/net/axgbe/axgbe_i2c.c
+++ b/drivers/net/axgbe/axgbe_i2c.c
@@ -162,9 +162,15 @@ static int axgbe_i2c_isr(struct axgbe_port *pdata)
 
        isr = XI2C_IOREAD(pdata, IC_RAW_INTR_STAT);
 
+       PMD_DRV_LOG(DEBUG, "I2C interrupt received: status=%#010x\n", isr);
+
        axgbe_i2c_clear_isr_interrupts(pdata, isr);
 
        if (isr & AXGBE_INTR_TX_ABRT) {
+               PMD_DRV_LOG(DEBUG,
+                           "I2C TX_ABRT received (%#010x) for target %#04x\n",
+                           state->tx_abort_source, state->op->target);
+
                axgbe_i2c_disable_interrupts(pdata);
 
                state->ret = -EIO;
@@ -285,6 +291,8 @@ static void axgbe_i2c_stop(struct axgbe_port *pdata)
        if (!pdata->i2c.started)
                return;
 
+       PMD_DRV_LOG(DEBUG, "stopping I2C\n");
+
        pdata->i2c.started = 0;
        axgbe_i2c_disable_interrupts(pdata);
        axgbe_i2c_disable(pdata);
@@ -296,6 +304,8 @@ static int axgbe_i2c_start(struct axgbe_port *pdata)
        if (pdata->i2c.started)
                return 0;
 
+       PMD_DRV_LOG(DEBUG, "starting I2C\n");
+
        pdata->i2c.started = 1;
 
        return 0;