Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ipath / ipath_init_chip.c

diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 7045ba6894944dd3f1a593661ef083b74069bb6d..9dd0bacf84610847f94270b79e5f243e2dd1ceb3 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 QLogic, Inc. All rights reserved.
+ * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -133,7 +133,8 @@ static int create_port0_egr(struct ipath_devdata *dd)
                                   dd->ipath_ibmaxlen, PCI_DMA_FROMDEVICE);
                dd->ipath_f_put_tid(dd, e + (u64 __iomem *)
                                    ((char __iomem *) dd->ipath_kregbase +
-                                    dd->ipath_rcvegrbase), 0,
+                                    dd->ipath_rcvegrbase),
+                                   RCVHQ_RCV_TYPE_EAGER,
                                    dd->ipath_port0_skbinfo[e].phys);
        }
 
@@ -310,7 +311,12 @@ static int init_chip_first(struct ipath_devdata *dd,
        val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendpiosize);
        dd->ipath_piosize2k = val & ~0U;
        dd->ipath_piosize4k = val >> 32;
-       dd->ipath_ibmtu = 4096; /* default to largest legal MTU */
+       /*
+        * Note: the chips support a maximum MTU of 4096, but the driver
+        * hasn't implemented this feature yet, so set the initial value
+        * to 2048.
+        */
+       dd->ipath_ibmtu = 2048;
        val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendpiobufcnt);
        dd->ipath_piobcnt2k = val & ~0U;
        dd->ipath_piobcnt4k = val >> 32;
@@ -340,6 +346,10 @@ static int init_chip_first(struct ipath_devdata *dd,
 
        spin_lock_init(&dd->ipath_tid_lock);
 
+       spin_lock_init(&dd->ipath_gpio_lock);
+       spin_lock_init(&dd->ipath_eep_st_lock);
+       sema_init(&dd->ipath_eep_sem, 1);
+
 done:
        *pdp = pd;
        return ret;
@@ -646,7 +656,7 @@ static int init_housekeeping(struct ipath_devdata *dd,
        ret = dd->ipath_f_get_boardname(dd, boardn, sizeof boardn);
 
        snprintf(dd->ipath_boardversion, sizeof(dd->ipath_boardversion),
-                "Driver %u.%u, %s, InfiniPath%u %u.%u, PCI %u, "
+                "ChipABI %u.%u, %s, InfiniPath%u %u.%u, PCI %u, "
                 "SW Compat %u\n",
                 IPATH_CHIP_VERS_MAJ, IPATH_CHIP_VERS_MIN, boardn,
                 (unsigned)(dd->ipath_revision >> INFINIPATH_R_ARCH_SHIFT) &
@@ -727,7 +737,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
        uports = dd->ipath_cfgports ? dd->ipath_cfgports - 1 : 0;
        if (ipath_kpiobufs == 0) {
                /* not set by user (this is default) */
-               if (piobufs >= (uports * IPATH_MIN_USER_PORT_BUFCNT) + 32)
+               if (piobufs > 144)
                        kpiobufs = 32;
                else
                        kpiobufs = 16;
@@ -767,6 +777,12 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
                   piobufs, dd->ipath_pbufsport, uports);
 
        dd->ipath_f_early_init(dd);
+       /*
+        * cancel any possible active sends from early driver load.
+        * Follows early_init because some chips have to initialize
+        * PIO buffers in early_init to avoid false parity errors.
+        */
+       ipath_cancel_sends(dd, 0);
 
        /* early_init sets rcvhdrentsize and rcvhdrsize, so this must be
         * done after early_init */
@@ -835,13 +851,14 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
        ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
                         dd->ipath_hwerrmask);
 
-       dd->ipath_maskederrs = dd->ipath_ignorederrs;
        /* clear all */
        ipath_write_kreg(dd, dd->ipath_kregs->kr_errorclear, -1LL);
        /* enable errors that are masked, at least this first time. */
        ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
                         ~dd->ipath_maskederrs);
-       /* clear any interrups up to this point (ints still not enabled) */
+       dd->ipath_errormask = ipath_read_kreg64(dd,
+               dd->ipath_kregs->kr_errormask);
+       /* clear any interrupts up to this point (ints still not enabled) */
        ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, -1LL);
 
        /*