Merge branch 'for-2.6.37/drivers' into for-linus

[pandora-kernel.git] / drivers / block / cciss.c

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 2e547bd..a67d0a6 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -66,11 +66,6 @@ MODULE_VERSION("3.6.26");
 MODULE_LICENSE("GPL");
 
 static DEFINE_MUTEX(cciss_mutex);
-static int cciss_allow_hpsa;
-module_param(cciss_allow_hpsa, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(cciss_allow_hpsa,
-       "Prevent cciss driver from accessing hardware known to be "
-       " supported by the hpsa driver");
 
 #include "cciss_cmd.h"
 #include "cciss.h"
@@ -98,19 +93,6 @@ static const struct pci_device_id cciss_pci_device_id[] = {
        {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSD,     0x103C, 0x3215},
        {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSC,     0x103C, 0x3237},
        {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSC,     0x103C, 0x323D},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3241},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3243},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3245},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3247},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3249},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x324A},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x324B},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3350},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3351},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3352},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3353},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3354},
-       {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3355},
        {0,}
 };
 
@@ -131,6 +113,8 @@ static struct board_type products[] = {
        {0x409D0E11, "Smart Array 6400 EM", &SA5_access},
        {0x40910E11, "Smart Array 6i", &SA5_access},
        {0x3225103C, "Smart Array P600", &SA5_access},
+       {0x3223103C, "Smart Array P800", &SA5_access},
+       {0x3234103C, "Smart Array P400", &SA5_access},
        {0x3235103C, "Smart Array P400i", &SA5_access},
        {0x3211103C, "Smart Array E200i", &SA5_access},
        {0x3212103C, "Smart Array E200", &SA5_access},
@@ -138,24 +122,9 @@ static struct board_type products[] = {
        {0x3214103C, "Smart Array E200i", &SA5_access},
        {0x3215103C, "Smart Array E200i", &SA5_access},
        {0x3237103C, "Smart Array E500", &SA5_access},
-/* controllers below this line are also supported by the hpsa driver. */
-#define HPSA_BOUNDARY 0x3223103C
        {0x3223103C, "Smart Array P800", &SA5_access},
        {0x3234103C, "Smart Array P400", &SA5_access},
        {0x323D103C, "Smart Array P700m", &SA5_access},
-       {0x3241103C, "Smart Array P212", &SA5_access},
-       {0x3243103C, "Smart Array P410", &SA5_access},
-       {0x3245103C, "Smart Array P410i", &SA5_access},
-       {0x3247103C, "Smart Array P411", &SA5_access},
-       {0x3249103C, "Smart Array P812", &SA5_access},
-       {0x324A103C, "Smart Array P712m", &SA5_access},
-       {0x324B103C, "Smart Array P711m", &SA5_access},
-       {0x3350103C, "Smart Array", &SA5_access},
-       {0x3351103C, "Smart Array", &SA5_access},
-       {0x3352103C, "Smart Array", &SA5_access},
-       {0x3353103C, "Smart Array", &SA5_access},
-       {0x3354103C, "Smart Array", &SA5_access},
-       {0x3355103C, "Smart Array", &SA5_access},
 };
 
 /* How long to wait (in milliseconds) for board to go into simple mode */
@@ -1184,6 +1153,7 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
        int err;
        u32 cp;
 
+       memset(&arg64, 0, sizeof(arg64));
        err = 0;
        err |=
            copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
@@ -3785,7 +3755,7 @@ static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h)
        for (i = 0; i < MAX_CONFIG_WAIT; i++) {
                if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
                        break;
-               msleep(10);
+               usleep_range(10000, 20000);
        }
 }
 
@@ -3969,13 +3939,9 @@ static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
        *board_id = ((subsystem_device_id << 16) & 0xffff0000) |
                        subsystem_vendor_id;
 
-       for (i = 0; i < ARRAY_SIZE(products); i++) {
-               /* Stand aside for hpsa driver on request */
-               if (cciss_allow_hpsa && products[i].board_id == HPSA_BOUNDARY)
-                       return -ENODEV;
+       for (i = 0; i < ARRAY_SIZE(products); i++)
                if (*board_id == products[i].board_id)
                        return i;
-       }
        dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n",
                *board_id);
        return -ENODEV;
@@ -4079,6 +4045,11 @@ static int __devinit cciss_find_cfgtables(ctlr_info_t *h)
 static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h)
 {
        h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
+
+       /* Limit commands in memory limited kdump scenario. */
+       if (reset_devices && h->max_commands > 32)
+               h->max_commands = 32;
+
        if (h->max_commands < 16) {
                dev_warn(&h->pdev->dev, "Controller reports "
                        "max supported commands of %d, an obvious lie. "
@@ -4955,7 +4926,8 @@ static void __exit cciss_cleanup(void)
                }
        }
        kthread_stop(cciss_scan_thread);
-       remove_proc_entry("driver/cciss", NULL);
+       if (proc_cciss)
+               remove_proc_entry("driver/cciss", NULL);
        bus_unregister(&cciss_bus_type);
 }