X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Finfiniband%2Fhw%2Fipath%2Fipath_ht400.c;h=fac0a2b74de2e3d08d054322157b773bc5b79967;hb=cee4cca740d209bcb4b9857baa2253d5ba4e3fbe;hp=4652435998f35fde8020b1ceb3e124ff320d4cf8;hpb=f1f76afd71e0f17af9a35fcb649f4bab53304a4d;p=linux-2.6

diff --git a/drivers/infiniband/hw/ipath/ipath_ht400.c b/drivers/infiniband/hw/ipath/ipath_ht400.c
index 4652435998..fac0a2b74d 100644
--- a/drivers/infiniband/hw/ipath/ipath_ht400.c
+++ b/drivers/infiniband/hw/ipath/ipath_ht400.c
@@ -607,7 +607,12 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
 	case 4:		/* Ponderosa is one of the bringup boards */
 		n = "Ponderosa";
 		break;
-	case 5:		/* HT-460 original production board */
+	case 5:
+		/*
+		 * HT-460 original production board; two production levels, with
+		 * different serial number ranges.   See ipath_ht_early_init() for
+		 * case where we enable IPATH_GPIO_INTR for later serial # range.
+		 */
 		n = "InfiniPath_HT-460";
 		break;
 	case 6:
@@ -642,7 +647,7 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
 	if (n)
 		snprintf(name, namelen, "%s", n);
 
-	if (dd->ipath_majrev != 3 || dd->ipath_minrev != 2) {
+	if (dd->ipath_majrev != 3 || (dd->ipath_minrev < 2 || dd->ipath_minrev > 3)) {
 		/*
 		 * This version of the driver only supports the HT-400
 		 * Rev 3.2
@@ -1520,6 +1525,18 @@ static int ipath_ht_early_init(struct ipath_devdata *dd)
 	 */
 	ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
 			 INFINIPATH_S_ABORT);
+
+	ipath_get_eeprom_info(dd);
+	if(dd->ipath_boardrev == 5 && dd->ipath_serial[0] == '1' &&
+		dd->ipath_serial[1] == '2' && dd->ipath_serial[2] == '8') {
+		/*
+		 * Later production HT-460 has same changes as HT-465, so
+		 * can use GPIO interrupts.  They have serial #'s starting
+		 * with 128, rather than 112.
+		 */
+		dd->ipath_flags |= IPATH_GPIO_INTR;
+		dd->ipath_flags &= ~IPATH_POLL_RX_INTR;
+	}
 	return 0;
 }