diff options
| -rw-r--r-- | drivers/staging/octeon/ethernet-rgmii.c | 123 |
1 files changed, 41 insertions, 82 deletions
diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c index 65edfbf..0101fcd 100644 --- a/drivers/staging/octeon/ethernet-rgmii.c +++ b/drivers/staging/octeon/ethernet-rgmii.c @@ -183,104 +183,63 @@ static void cvm_oct_rgmii_poll(struct net_device *dev) } } -static irqreturn_t cvm_oct_rgmii_rml_interrupt(int cpl, void *dev_id) +static int cmv_oct_rgmii_gmx_interrupt(int interface) { - union cvmx_npi_rsl_int_blocks rsl_int_blocks; int index; - irqreturn_t return_status = IRQ_NONE; + int count = 0; - rsl_int_blocks.u64 = cvmx_read_csr(CVMX_NPI_RSL_INT_BLOCKS); - - /* Check and see if this interrupt was caused by the GMX0 block */ - if (rsl_int_blocks.s.gmx0) { + /* Loop through every port of this interface */ + for (index = 0; + index < cvmx_helper_ports_on_interface(interface); + index++) { + union cvmx_gmxx_rxx_int_reg gmx_rx_int_reg; - int interface = 0; - /* Loop through every port of this interface */ - for (index = 0; - index < cvmx_helper_ports_on_interface(interface); - index++) { - - /* Read the GMX interrupt status bits */ - union cvmx_gmxx_rxx_int_reg gmx_rx_int_reg; - - gmx_rx_int_reg.u64 = - cvmx_read_csr(CVMX_GMXX_RXX_INT_REG + /* Read the GMX interrupt status bits */ + gmx_rx_int_reg.u64 = cvmx_read_csr(CVMX_GMXX_RXX_INT_REG (index, interface)); - gmx_rx_int_reg.u64 &= - cvmx_read_csr(CVMX_GMXX_RXX_INT_EN + gmx_rx_int_reg.u64 &= cvmx_read_csr(CVMX_GMXX_RXX_INT_EN (index, interface)); - /* Poll the port if inband status changed */ - if (gmx_rx_int_reg.s.phy_dupx - || gmx_rx_int_reg.s.phy_link - || gmx_rx_int_reg.s.phy_spd) { - struct net_device *dev = + /* Poll the port if inband status changed */ + if (gmx_rx_int_reg.s.phy_dupx || gmx_rx_int_reg.s.phy_link || + gmx_rx_int_reg.s.phy_spd) { + struct net_device *dev = cvm_oct_device[cvmx_helper_get_ipd_port (interface, index)]; - struct octeon_ethernet *priv = netdev_priv(dev); - - if (dev && - !atomic_read(&cvm_oct_poll_queue_stopping)) - queue_work(cvm_oct_poll_queue, - &priv->port_work); - - gmx_rx_int_reg.u64 = 0; - gmx_rx_int_reg.s.phy_dupx = 1; - gmx_rx_int_reg.s.phy_link = 1; - gmx_rx_int_reg.s.phy_spd = 1; - cvmx_write_csr(CVMX_GMXX_RXX_INT_REG - (index, interface), - gmx_rx_int_reg.u64); - return_status = IRQ_HANDLED; - } + struct octeon_ethernet *priv = netdev_priv(dev); + + if (dev && !atomic_read(&cvm_oct_poll_queue_stopping)) + queue_work(cvm_oct_poll_queue, + &priv->port_work); + + gmx_rx_int_reg.u64 = 0; + gmx_rx_int_reg.s.phy_dupx = 1; + gmx_rx_int_reg.s.phy_link = 1; + gmx_rx_int_reg.s.phy_spd = 1; + cvmx_write_csr(CVMX_GMXX_RXX_INT_REG(index, interface), + gmx_rx_int_reg.u64); + count++; } } + return count; +} - /* Check and see if this interrupt was caused by the GMX1 block */ - if (rsl_int_blocks.s.gmx1) { - - int interface = 1; - /* Loop through every port of this interface */ - for (index = 0; - index < cvmx_helper_ports_on_interface(interface); - index++) { - - /* Read the GMX interrupt status bits */ - union cvmx_gmxx_rxx_int_reg gmx_rx_int_reg; +static irqreturn_t cvm_oct_rgmii_rml_interrupt(int cpl, void *dev_id) +{ + union cvmx_npi_rsl_int_blocks rsl_int_blocks; + int count = 0; - gmx_rx_int_reg.u64 = - cvmx_read_csr(CVMX_GMXX_RXX_INT_REG - (index, interface)); - gmx_rx_int_reg.u64 &= - cvmx_read_csr(CVMX_GMXX_RXX_INT_EN - (index, interface)); - /* Poll the port if inband status changed */ - if (gmx_rx_int_reg.s.phy_dupx - || gmx_rx_int_reg.s.phy_link - || gmx_rx_int_reg.s.phy_spd) { + rsl_int_blocks.u64 = cvmx_read_csr(CVMX_NPI_RSL_INT_BLOCKS); - struct net_device *dev = - cvm_oct_device[cvmx_helper_get_ipd_port - (interface, index)]; - struct octeon_ethernet *priv = netdev_priv(dev); + /* Check and see if this interrupt was caused by the GMX0 block */ + if (rsl_int_blocks.s.gmx0) + count += cmv_oct_rgmii_gmx_interrupt(0); - if (dev && - !atomic_read(&cvm_oct_poll_queue_stopping)) - queue_work(cvm_oct_poll_queue, - &priv->port_work); + /* Check and see if this interrupt was caused by the GMX1 block */ + if (rsl_int_blocks.s.gmx1) + count += cmv_oct_rgmii_gmx_interrupt(1); - gmx_rx_int_reg.u64 = 0; - gmx_rx_int_reg.s.phy_dupx = 1; - gmx_rx_int_reg.s.phy_link = 1; - gmx_rx_int_reg.s.phy_spd = 1; - cvmx_write_csr(CVMX_GMXX_RXX_INT_REG - (index, interface), - gmx_rx_int_reg.u64); - return_status = IRQ_HANDLED; - } - } - } - return return_status; + return count ? IRQ_HANDLED : IRQ_NONE; } int cvm_oct_rgmii_open(struct net_device *dev) |
