[SPARC64]: Use more mearningful names for IRQ registry.

All of the interrupts say "LDX RX" and "LDX TX" currently
which is next to useless.  Put a device specific prefix
before "RX" and "TX" instead which makes it much more
useful.

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

4 files changed, 16 insertions, 6 deletions

diff --git a/arch/sparc64/kernel/ds.c b/arch/sparc64/kernel/ds.c
index 22517dfd021d..c7ece8c52039 100644
--- a/arch/sparc64/kernel/ds.c
+++ b/arch/sparc64/kernel/ds.c
@@ -598,7 +598,7 @@ static int __devinit ds_probe(struct vio_dev *vdev,
         }
         dp->lp = lp;
 
-        err = ldc_bind(lp);
+        err = ldc_bind(lp, "DS");
         if (err)
                 goto out_free_ldc;
 
diff --git a/arch/sparc64/kernel/ldc.c b/arch/sparc64/kernel/ldc.c
index 4cba28685967..dbb65b674a67 100644
--- a/arch/sparc64/kernel/ldc.c
+++ b/arch/sparc64/kernel/ldc.c
@@ -158,6 +158,10 @@ struct ldc_channel {
         u8                              mss;
         u8                              state;
 
+#define LDC_IRQ_NAME_MAX                32
+        char                            rx_irq_name[LDC_IRQ_NAME_MAX];
+        char                            tx_irq_name[LDC_IRQ_NAME_MAX];
+
         struct hlist_head               mh_list;
 
         struct hlist_node               list;
@@ -1226,25 +1230,31 @@ EXPORT_SYMBOL(ldc_free);
  * state.  This does not initiate a handshake, ldc_connect() does
  * that.
  */
-int ldc_bind(struct ldc_channel *lp)
+int ldc_bind(struct ldc_channel *lp, const char *name)
 {
         unsigned long hv_err, flags;
         int err = -EINVAL;
 
         spin_lock_irqsave(&lp->lock, flags);
 
+        if (!name)
+                goto out_err;
+
         if (lp->state != LDC_STATE_INIT)
                 goto out_err;
 
+        snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name);
+        snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
+
         err = request_irq(lp->cfg.rx_irq, ldc_rx,
                           IRQF_SAMPLE_RANDOM | IRQF_SHARED,
-                          "LDC RX", lp);
+                          lp->rx_irq_name, lp);
         if (err)
                 goto out_err;
 
         err = request_irq(lp->cfg.tx_irq, ldc_tx,
                           IRQF_SAMPLE_RANDOM | IRQF_SHARED,
-                          "LDC TX", lp);
+                          lp->tx_irq_name, lp);
         if (err)
                 goto out_free_rx_irq;
 
diff --git a/arch/sparc64/kernel/viohs.c b/arch/sparc64/kernel/viohs.c
index 3eb42e3624f3..b0b1b8779342 100644
--- a/arch/sparc64/kernel/viohs.c
+++ b/arch/sparc64/kernel/viohs.c
@@ -724,7 +724,7 @@ void vio_port_up(struct vio_driver_state *vio)
 
         err = 0;
         if (state == LDC_STATE_INIT) {
-                err = ldc_bind(vio->lp);
+                err = ldc_bind(vio->lp, vio->name);
                 if (err)
                         printk(KERN_WARNING "%s: Port %lu bind failed, "
                                "err=%d\n",
diff --git a/include/asm-sparc64/ldc.h b/include/asm-sparc64/ldc.h
index 1c13738f13ff..3c91f269f9db 100644
--- a/include/asm-sparc64/ldc.h
+++ b/include/asm-sparc64/ldc.h
@@ -56,7 +56,7 @@ extern struct ldc_channel *ldc_alloc(unsigned long id,
 extern void ldc_free(struct ldc_channel *lp);
 
 /* Register TX and RX queues of the link with the hypervisor.  */
-extern int ldc_bind(struct ldc_channel *lp);
+extern int ldc_bind(struct ldc_channel *lp, const char *name);
 
 /* For non-RAW protocols we need to complete a handshake before
  * communication can proceed.  ldc_connect() does that, if the