UNIPHIER_FI2C_INT_RB
if (irq_status & (UNIPHIER_FI2C_INT_RF | UNIPHIER_FI2C_INT_RB)) {
if (!priv->len && (irq_status & UNIPHIER_FI2C_INT_RB))
priv->enabled_irqs |= UNIPHIER_FI2C_INT_RB;
UNIPHIER_FI2C_INT_RB;