summaryrefslogtreecommitdiffstats
path: root/drivers/parport
diff options
context:
space:
mode:
authorDavid S. Miller <davem@sunset.davemloft.net>2007-04-23 23:33:17 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-23 23:33:17 -0700
commit5a68b2e346f043820e2ba0cde57cc75b4561c124 (patch)
treec61d01b2447cf3acfc45c4ea08dd6610d1cd4458 /drivers/parport
parent7e9f33461521180ef2c148c0b77eeb412d18ffae (diff)
downloadlinux-5a68b2e346f043820e2ba0cde57cc75b4561c124.tar.gz
linux-5a68b2e346f043820e2ba0cde57cc75b4561c124.tar.bz2
linux-5a68b2e346f043820e2ba0cde57cc75b4561c124.zip
[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>
Diffstat (limited to 'drivers/parport')
-rw-r--r--drivers/parport/parport_sunbpp.c10
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);
}