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path: root/arch/sparc/kernel/auxio_32.c
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Diffstat (limited to 'arch/sparc/kernel/auxio_32.c')
-rw-r--r--arch/sparc/kernel/auxio_32.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index 56d0f52c3e6..e20cc55fb76 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -32,7 +32,6 @@ void __init auxio_probe(void)
switch (sparc_cpu_model) {
case sparc_leon:
case sun4d:
- case sun4:
return;
default:
break;
@@ -65,9 +64,8 @@ void __init auxio_probe(void)
r.start = auxregs[0].phys_addr;
r.end = auxregs[0].phys_addr + auxregs[0].reg_size - 1;
auxio_register = of_ioremap(&r, 0, auxregs[0].reg_size, "auxio");
- /* Fix the address on sun4m and sun4c. */
- if((((unsigned long) auxregs[0].phys_addr) & 3) == 3 ||
- sparc_cpu_model == sun4c)
+ /* Fix the address on sun4m. */
+ if ((((unsigned long) auxregs[0].phys_addr) & 3) == 3)
auxio_register += (3 - ((unsigned long)auxio_register & 3));
set_auxio(AUXIO_LED, 0);
@@ -86,12 +84,7 @@ void set_auxio(unsigned char bits_on, unsigned char bits_off)
unsigned char regval;
unsigned long flags;
spin_lock_irqsave(&auxio_lock, flags);
- switch(sparc_cpu_model) {
- case sun4c:
- regval = sbus_readb(auxio_register);
- sbus_writeb(((regval | bits_on) & ~bits_off) | AUXIO_ORMEIN,
- auxio_register);
- break;
+ switch (sparc_cpu_model) {
case sun4m:
if(!auxio_register)
break; /* VME chassis sun4m, no auxio. */