IB/ipath: add calls to new 7220 code and enable in build

This patch adds the initialization calls into the new 7220 HCA files,
changes the Makefile to compile and link the new files, and code to
handle send DMA.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 10 insertions, 8 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index a59bdbd0ed8..bcaa2914e34 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -483,14 +483,16 @@ done:
 
 static void want_buffer(struct ipath_devdata *dd)
 {
-        unsigned long flags;
-
-        spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
-        dd->ipath_sendctrl |= INFINIPATH_S_PIOINTBUFAVAIL;
-        ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
-                         dd->ipath_sendctrl);
-        ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
-        spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+        if (!(dd->ipath_flags & IPATH_HAS_SEND_DMA)) {
+                unsigned long flags;
+
+                spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+                dd->ipath_sendctrl |= INFINIPATH_S_PIOINTBUFAVAIL;
+                ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+                                 dd->ipath_sendctrl);
+                ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+                spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+        }
 }
 
 /**