A Little patch for DTC SCSI Controller

Casper Boon (casper@ambinet.com.au)
Sat, 20 Oct 2001 08:37:38 +0800


TWIMC

The patch below is for the DTC3x80 controller which stopped working
under
2.4 series. The change is only to the header and changes readb to
isa_readb
and writeb to isa_writeb. Without this patch the kernel panics at
startup.

========================================================================
Casper A. Boon casper@ambinet.com.au
Ambinet Systems 0417 171 505
========================================================================

diff -u linux-2.4.10/drivers/scsi/dtc.h
linux-2.4.10-cab/drivers/scsi/dtc.h
--- linux-2.4.10/drivers/scsi/dtc.h Tue Sep 19 05:12:01 2000
+++ linux-2.4.10-cab/drivers/scsi/dtc.h Sat Oct 13 18:09:01 2001
@@ -80,29 +80,29 @@
#define DTC_address(reg) (base + DTC_5380_OFFSET + reg)

#define
dbNCR5380_read(reg) \
- (rval=readb(DTC_address(reg)), \
+ (rval=isa_readb(DTC_address(reg)), \
(((unsigned char) printk("DTC : read register %d at addr %08x is:
%02x\n"\
, (reg), (int)DTC_address(reg), rval)), rval ) )

#define dbNCR5380_write(reg, value) do
{ \
printk("DTC : write %02x to register %d at address %08x\n",
\
(value), (reg), (int)DTC_address(reg)); \
- writeb(value, DTC_address(reg));} while(0)
+ isa_writeb(value, DTC_address(reg));} while(0)


#if !(DTCDEBUG & DTCDEBUG_TRANSFER)
-#define NCR5380_read(reg) (readb(DTC_address(reg)))
-#define NCR5380_write(reg, value) (writeb(value, DTC_address(reg)))
+#define NCR5380_read(reg) (isa_readb(DTC_address(reg)))
+#define NCR5380_write(reg, value) (isa_writeb(value, DTC_address(reg)))
#else
-#define NCR5380_read(reg) (readb(DTC_address(reg)))
+#define NCR5380_read(reg) (isa_readb(DTC_address(reg)))
#define xNCR5380_read(reg)
\
(((unsigned char) printk("DTC : read register %d at address
%08x\n"\
- , (reg), DTC_address(reg))), readb(DTC_address(reg)))
+ , (reg), DTC_address(reg))), isa_readb(DTC_address(reg)))

#define NCR5380_write(reg, value) do {
\
printk("DTC : write %02x to register %d at address %08x\n",
\
(value), (reg), (int)DTC_address(reg)); \
- writeb(value, DTC_address(reg));} while(0)
+ isa_writeb(value, DTC_address(reg));} while(0)
#endif

#define NCR5380_intr dtc_intr
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/