IB/ipath: Make some constants chip-specific, related cleanup

This patch makes some constants chip-specific, and makes some related
changes to prepare for supporting another HCA.

Signed-off-by: Dave Olson <dave.olson@qlogic.com
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6110.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c
index 9e2ced3..684c27e 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6110.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c
@@ -40,6 +40,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/htirq.h>
+#include <rdma/ib_verbs.h>
 
 #include "ipath_kernel.h"
 #include "ipath_registers.h"
@@ -476,7 +477,13 @@
 #define RXE_EAGER_PARITY (INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID \
 			  << INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT)
 
-static int ipath_ht_txe_recover(struct ipath_devdata *);
+static void ipath_ht_txe_recover(struct ipath_devdata *dd)
+{
+	++ipath_stats.sps_txeparity;
+	dev_info(&dd->pcidev->dev,
+		"Recovering from TXE PIO parity error\n");
+}
+
 
 /**
  * ipath_ht_handle_hwerrors - display hardware errors.
@@ -557,11 +564,11 @@
 		 * occur if a processor speculative read is done to the PIO
 		 * buffer while we are sending a packet, for example.
 		 */
-		if ((hwerrs & TXE_PIO_PARITY) && ipath_ht_txe_recover(dd))
+		if (hwerrs & TXE_PIO_PARITY) {
+			ipath_ht_txe_recover(dd);
 			hwerrs &= ~TXE_PIO_PARITY;
-		if (hwerrs & RXE_EAGER_PARITY)
-			ipath_dev_err(dd, "RXE parity, Eager TID error is not "
-				"recoverable\n");
+		}
+
 		if (!hwerrs) {
 			ipath_dbg("Clearing freezemode on ignored or "
 				  "recovered hardware error\n");
@@ -1653,22 +1660,6 @@
 }
 
 
-static int ipath_ht_txe_recover(struct ipath_devdata *dd)
-{
-	int cnt = ++ipath_stats.sps_txeparity;
-	if (cnt >= IPATH_MAX_PARITY_ATTEMPTS)  {
-		if (cnt == IPATH_MAX_PARITY_ATTEMPTS)
-			ipath_dev_err(dd,
-				"Too many attempts to recover from "
-				"TXE parity, giving up\n");
-		return 0;
-	}
-	dev_info(&dd->pcidev->dev,
-		"Recovering from TXE PIO parity error\n");
-	return 1;
-}
-
-
 /**
  * ipath_init_ht_get_base_info - set chip-specific flags for user code
  * @dd: the infinipath device