--- zzzz-none-000/linux-3.10.107/drivers/infiniband/hw/qib/qib_iba6120.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/infiniband/hw/qib/qib_iba6120.c	2021-02-04 17:41:59.000000000 +0000
@@ -333,6 +333,7 @@
 				  enum qib_ureg regno, u64 value, int ctxt)
 {
 	u64 __iomem *ubase;
+
 	if (dd->userbase)
 		ubase = (u64 __iomem *)
 			((char __iomem *) dd->userbase +
@@ -834,14 +835,14 @@
 		bits = (u32) ((hwerrs >>
 			       QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) &
 			      QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK);
-		snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+		snprintf(bitsmsg, sizeof(dd->cspec->bitsmsgbuf),
 			 "[PCIe Mem Parity Errs %x] ", bits);
 		strlcat(msg, bitsmsg, msgl);
 	}
 
 	if (hwerrs & _QIB_PLL_FAIL) {
 		isfatal = 1;
-		snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+		snprintf(bitsmsg, sizeof(dd->cspec->bitsmsgbuf),
 			 "[PLL failed (%llx), InfiniPath hardware unusable]",
 			 (unsigned long long) hwerrs & _QIB_PLL_FAIL);
 		strlcat(msg, bitsmsg, msgl);
@@ -1014,7 +1015,7 @@
 
 	/* do these first, they are most important */
 	if (errs & ERR_MASK(HardwareErr))
-		qib_handle_6120_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+		qib_handle_6120_hwerrors(dd, msg, sizeof(dd->cspec->emsgbuf));
 	else
 		for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
 			if (errs & dd->eep_st_masks[log_idx].errs_to_log)
@@ -1062,7 +1063,7 @@
 	 */
 	mask = ERR_MASK(IBStatusChanged) | ERR_MASK(RcvEgrFullErr) |
 		ERR_MASK(RcvHdrFullErr) | ERR_MASK(HardwareErr);
-	qib_decode_6120_err(dd, msg, sizeof dd->cspec->emsgbuf, errs & ~mask);
+	qib_decode_6120_err(dd, msg, sizeof(dd->cspec->emsgbuf), errs & ~mask);
 
 	if (errs & E_SUM_PKTERRS)
 		qib_stats.sps_rcverrs++;
@@ -1634,9 +1635,7 @@
 		goto bail;
 	}
 
-	qib_stats.sps_ints++;
-	if (dd->int_counter != (u32) -1)
-		dd->int_counter++;
+	this_cpu_inc(*dd->int_counter);
 
 	if (unlikely(istat & (~QLOGIC_IB_I_BITSEXTANT |
 			      QLOGIC_IB_I_GPIO | QLOGIC_IB_I_ERROR)))
@@ -1672,6 +1671,7 @@
 		}
 		if (crcs) {
 			u32 cntr = dd->cspec->lli_counter;
+
 			cntr += crcs;
 			if (cntr) {
 				if (cntr > dd->cspec->lli_thresh) {
@@ -1724,6 +1724,7 @@
 			"irq is 0, BIOS error?  Interrupts won't work\n");
 	else {
 		int ret;
+
 		ret = request_irq(dd->cspec->irq, qib_6120intr, 0,
 				  QIB_DRV_NAME, dd);
 		if (ret)
@@ -1808,7 +1809,8 @@
 	 * isn't set.
 	 */
 	dd->flags &= ~(QIB_INITTED | QIB_PRESENT);
-	dd->int_counter = 0; /* so we check interrupts work again */
+	/* so we check interrupts work again */
+	dd->z_int_counter = qib_int_counter(dd);
 	val = dd->control | QLOGIC_IB_C_RESET;
 	writeq(val, &dd->kregbase[kr_control]);
 	mb(); /* prevent compiler re-ordering around actual reset */
@@ -2928,6 +2930,7 @@
 static int qib_6120_set_loopback(struct qib_pportdata *ppd, const char *what)
 {
 	int ret = 0;
+
 	if (!strncmp(what, "ibc", 3)) {
 		ppd->dd->cspec->ibcctrl |= SYM_MASK(IBCCtrl, Loopback);
 		qib_devinfo(ppd->dd->pcidev, "Enabling IB%u:%u IBC loopback\n",
@@ -3169,6 +3172,7 @@
 static void set_6120_baseaddrs(struct qib_devdata *dd)
 {
 	u32 cregbase;
+
 	cregbase = qib_read_kreg32(dd, kr_counterregbase);
 	dd->cspec->cregbase = (u64 __iomem *)
 		((char __iomem *) dd->kregbase + cregbase);
@@ -3264,7 +3268,9 @@
 
 	dd->eep_st_masks[2].errs_to_log = ERR_MASK(ResetNegated);
 
-	qib_init_pportdata(ppd, dd, 0, 1);
+	ret = qib_init_pportdata(ppd, dd, 0, 1);
+	if (ret)
+		goto bail;
 	ppd->link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
 	ppd->link_speed_supported = QIB_IB_SDR;
 	ppd->link_width_enabled = IB_WIDTH_4X;
@@ -3309,11 +3315,9 @@
 	qib_6120_config_ctxts(dd);
 	qib_set_ctxtcnt(dd);
 
-	if (qib_wc_pat) {
-		ret = init_chip_wc_pat(dd, 0);
-		if (ret)
-			goto bail;
-	}
+	ret = init_chip_wc_pat(dd, 0);
+	if (ret)
+		goto bail;
 	set_6120_baseaddrs(dd); /* set chip access pointers now */
 
 	ret = 0;
@@ -3462,6 +3466,13 @@
 	return -ENXIO;
 }
 
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+static int qib_6120_notify_dca(struct qib_devdata *dd, unsigned long event)
+{
+	return 0;
+}
+#endif
+
 /* Dummy function, as 6120 boards never disable EEPROM Write */
 static int qib_6120_eeprom_wen(struct qib_devdata *dd, int wen)
 {
@@ -3537,6 +3548,9 @@
 	dd->f_xgxs_reset        = qib_6120_xgxs_reset;
 	dd->f_writescratch      = writescratch;
 	dd->f_tempsense_rd	= qib_6120_tempsense_rd;
+#ifdef CONFIG_INFINIBAND_QIB_DCA
+	dd->f_notify_dca = qib_6120_notify_dca;
+#endif
 	/*
 	 * Do remaining pcie setup and save pcie values in dd.
 	 * Any error printing is already done by the init code.