commit 5a68b2e346f043820e2ba0cde57cc75b4561c124
author David S. Miller <davem@sunset.davemloft.net> Mon Apr 23 23:33:17 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Mon Apr 23 23:33:17 2007 -0700
tree c61d01b2447cf3acfc45c4ea08dd6610d1cd4458
parent 7e9f33461521180ef2c148c0b77eeb412d18ffae

[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>

drivers/parport/parport_sunbpp.c

diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 9793533..400bb90 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -126,7 +126,7 @@
 	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 @@
 	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 @@
 	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 @@
 
 	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);
 }