cxgb3 - PHY interrupts and GPIO pins.

Remove assumption that PHY interrupts use GPIOs 3 and 5.
Deal with PHY interrupts connected to any GPIO pins.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 12 insertions, 6 deletions

diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index d83f075ef2d..fb485d0a43d 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1523,19 +1523,25 @@ static int mac_intr_handler(struct adapter *adap, unsigned int idx)
  */
 int t3_phy_intr_handler(struct adapter *adapter)
 {
-        static const int intr_gpio_bits[] = { 8, 0x20 };
-
+        u32 mask, gpi = adapter_info(adapter)->gpio_intr;
         u32 i, cause = t3_read_reg(adapter, A_T3DBG_INT_CAUSE);
 
         for_each_port(adapter, i) {
-                if (cause & intr_gpio_bits[i]) {
-                        struct cphy *phy = &adap2pinfo(adapter, i)->phy;
-                        int phy_cause = phy->ops->intr_handler(phy);
+                struct port_info *p = adap2pinfo(adapter, i);
+
+                mask = gpi - (gpi & (gpi - 1));
+                gpi -= mask;
+
+                if (!(p->port_type->caps & SUPPORTED_IRQ))
+                        continue;
+
+                if (cause & mask) {
+                        int phy_cause = p->phy.ops->intr_handler(&p->phy);
 
                         if (phy_cause & cphy_cause_link_change)
                                 t3_link_changed(adapter, i);
                         if (phy_cause & cphy_cause_fifo_error)
-                                phy->fifo_errors++;
+                                p->phy.fifo_errors++;
                 }
         }