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[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>
This commit is contained in:
David S. Miller 2007-04-23 23:33:17 -07:00
parent 7e9f334615
commit 5a68b2e346
1 changed files with 6 additions and 4 deletions
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10
drivers/parport/parport_sunbpp.c
View File

@ -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);
}