n2rng: Attach on Niagara-T3.

And stop referring to Victoria Falls, as the attribute we're
talking about is whether the rng is multi-unit capable which
applies to several chip variants now.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index ac6739e..c3de70d 100644 (file)
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -1,6 +1,6 @@
 /* n2-drv.c: Niagara-2 RNG driver.
  *
- * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 2008, 2011 David S. Miller <davem@davemloft.net>
  */
 
 #include <linux/kernel.h>
@@ -22,8 +22,8 @@
 
 #define DRV_MODULE_NAME                "n2rng"
 #define PFX DRV_MODULE_NAME    ": "
-#define DRV_MODULE_VERSION     "0.1"
-#define DRV_MODULE_RELDATE     "May 15, 2008"
+#define DRV_MODULE_VERSION     "0.2"
+#define DRV_MODULE_RELDATE     "July 27, 2011"
 
 static char version[] __devinitdata =
        DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
@@ -623,14 +623,14 @@ static const struct of_device_id n2rng_match[];
 static int __devinit n2rng_probe(struct platform_device *op)
 {
        const struct of_device_id *match;
-       int victoria_falls;
+       int multi_capable;
        int err = -ENOMEM;
        struct n2rng *np;
 
        match = of_match_device(n2rng_match, &op->dev);
        if (!match)
                return -EINVAL;
-       victoria_falls = (match->data != NULL);
+       multi_capable = (match->data != NULL);
 
        n2rng_driver_version();
        np = kzalloc(sizeof(*np), GFP_KERNEL);
@@ -640,8 +640,8 @@ static int __devinit n2rng_probe(struct platform_device *op)
 
        INIT_DELAYED_WORK(&np->work, n2rng_work);
 
-       if (victoria_falls)
-               np->flags |= N2RNG_FLAG_VF;
+       if (multi_capable)
+               np->flags |= N2RNG_FLAG_MULTI;
 
        err = -ENODEV;
        np->hvapi_major = 2;
@@ -658,10 +658,10 @@ static int __devinit n2rng_probe(struct platform_device *op)
                }
        }
 
-       if (np->flags & N2RNG_FLAG_VF) {
+       if (np->flags & N2RNG_FLAG_MULTI) {
                if (np->hvapi_major < 2) {
-                       dev_err(&op->dev, "VF RNG requires HVAPI major "
-                               "version 2 or later, got %lu\n",
+                       dev_err(&op->dev, "multi-unit-capable RNG requires "
+                               "HVAPI major version 2 or later, got %lu\n",
                                np->hvapi_major);
                        goto out_hvapi_unregister;
                }
@@ -688,8 +688,8 @@ static int __devinit n2rng_probe(struct platform_device *op)
                goto out_free_units;
 
        dev_info(&op->dev, "Found %s RNG, units: %d\n",
-                ((np->flags & N2RNG_FLAG_VF) ?
-                 "Victoria Falls" : "Niagara2"),
+                ((np->flags & N2RNG_FLAG_MULTI) ?
+                 "multi-unit-capable" : "single-unit"),
                 np->num_units);
 
        np->hwrng.name = "n2rng";
@@ -751,6 +751,11 @@ static const struct of_device_id n2rng_match[] = {
                .compatible     = "SUNW,vf-rng",
                .data           = (void *) 1,
        },
+       {
+               .name           = "random-number-generator",
+               .compatible     = "SUNW,kt-rng",
+               .data           = (void *) 1,
+       },
        {},
 };
 MODULE_DEVICE_TABLE(of, n2rng_match);

diff --git a/drivers/char/hw_random/n2rng.h b/drivers/char/hw_random/n2rng.h
index 4bea07f..f244ac8 100644 (file)
--- a/drivers/char/hw_random/n2rng.h
+++ b/drivers/char/hw_random/n2rng.h
@@ -68,7 +68,7 @@ struct n2rng {
        struct platform_device  *op;
 
        unsigned long           flags;
-#define N2RNG_FLAG_VF          0x00000001 /* Victoria Falls RNG, else N2 */
+#define N2RNG_FLAG_MULTI       0x00000001 /* Multi-unit capable RNG */
 #define N2RNG_FLAG_CONTROL     0x00000002 /* Operating in control domain */
 #define N2RNG_FLAG_READY       0x00000008 /* Ready for hw-rng layer      */
 #define N2RNG_FLAG_SHUTDOWN    0x00000010 /* Driver unregistering        */