sparc32: Trivial removal of sun4c references in comments.

I left some around, like the ones in the openprom headers, since
we need to think about which pieces of those datastructures and
code we can completely toss now.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 21bd739..9b93da1 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -381,11 +381,6 @@
 		       enum dma_data_direction dir, struct dma_attrs *attrs)
 {
 	mmu_get_scsi_sgl(dev, sg, n);
-
-	/*
-	 * XXX sparc64 can return a partial length here. sun4c should do this
-	 * but it currently panics if it can't fulfill the request - Anton
-	 */
 	return n;
 }
 
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index 8b946b1..593e7a5 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -78,7 +78,7 @@
 /* Dave Redman (djhr@tadpole.co.uk)
  * changed these to function pointers.. it saves cycles and will allow
  * the irq dependencies to be split into different files at a later date
- * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
+ * sun4m_irq.c etc so we could reduce the kernel size.
  * Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  * Changed these to btfixup entities... It saves cycles :)
  */
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index dff2c3d..9bcbbe2 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -799,7 +799,7 @@
 	prom_limit0 = prom_timers->limit0;
 	prom_limit1 = prom_timers->limit1;
 
-	/* Just as in sun4c/sun4m PROM uses timer which ticks at IRQ 14.
+	/* Just as in sun4c PROM uses timer which ticks at IRQ 14.
 	 * We turn both off here just to be paranoid.
 	 */
 	prom_timers->limit0 = 0;