[PARPORT] SUNBPP: Fix OOPS when debugging is enabled.

The debugging code would dereference __iomem pointers instead
of going through sbus_{read,write}{b,w,l}().

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

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 9793533276ec..400bb90084cf 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -126,7 +126,7 @@ static unsigned char status_sunbpp_to_pc(struct parport *p)
         if (!(value_tcr & P_TCR_BUSY))
                 bits |= PARPORT_STATUS_BUSY;
 
-        dprintk((KERN_DEBUG "tcr 0x%x ir 0x%x\n", regs->p_tcr, regs->p_ir));
+        dprintk((KERN_DEBUG "tcr 0x%x ir 0x%x\n", value_tcr, value_ir));
         dprintk((KERN_DEBUG "read status 0x%x\n", bits));
         return bits;
 }
@@ -147,7 +147,7 @@ static unsigned char control_sunbpp_to_pc(struct parport *p)
         if (value_or & P_OR_SLCT_IN)
                 bits |= PARPORT_CONTROL_SELECT;
 
-        dprintk((KERN_DEBUG "tcr 0x%x or 0x%x\n", regs->p_tcr, regs->p_or));
+        dprintk((KERN_DEBUG "tcr 0x%x or 0x%x\n", value_tcr, value_or));
         dprintk((KERN_DEBUG "read control 0x%x\n", bits));
         return bits;
 }
@@ -165,7 +165,8 @@ static unsigned char parport_sunbpp_frob_control(struct parport *p,
         unsigned char value_tcr = sbus_readb(&regs->p_tcr);
         unsigned char value_or = sbus_readb(&regs->p_or);
 
-        dprintk((KERN_DEBUG "frob1: tcr 0x%x or 0x%x\n", regs->p_tcr, regs->p_or));
+        dprintk((KERN_DEBUG "frob1: tcr 0x%x or 0x%x\n",
+                 value_tcr, value_or));
         if (mask & PARPORT_CONTROL_STROBE) {
                 if (val & PARPORT_CONTROL_STROBE) {
                         value_tcr &= ~P_TCR_DS;
@@ -197,7 +198,8 @@ static unsigned char parport_sunbpp_frob_control(struct parport *p,
 
         sbus_writeb(value_or, &regs->p_or);
         sbus_writeb(value_tcr, &regs->p_tcr);
-        dprintk((KERN_DEBUG "frob2: tcr 0x%x or 0x%x\n", regs->p_tcr, regs->p_or));
+        dprintk((KERN_DEBUG "frob2: tcr 0x%x or 0x%x\n",
+                 value_tcr, value_or));
         return parport_sunbpp_read_control(p);
 }