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atp870u: Remove ugly gotos #3 

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ondrej Zary 2015-11-17 19:23:51 +01:00 committed by Martin K. Petersen
parent 468b896815
commit 832e9ac6de
1 changed files with 6 additions and 12 deletions
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18
drivers/scsi/atp870u.c
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@ -880,34 +880,28 @@ static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
unsigned char j;
outw(*val, dev->ioport[0] + 0x1c);
FUN_D7:
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
k = inw(dev->ioport[0] + 0x1c);
j = (unsigned char) (k >> 8);
if ((k & 0x8000) != 0) { /* DB7 all release? */
goto FUN_D7;
}
if ((k & 0x8000) != 0) /* DB7 all release? */
i = 0;
}
*val |= 0x4000; /* assert DB6 */
outw(*val, dev->ioport[0] + 0x1c);
*val &= 0xdfff; /* assert DB5 */
outw(*val, dev->ioport[0] + 0x1c);
FUN_D5:
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
if ((inw(dev->ioport[0] + 0x1c) & 0x2000) != 0) { /* DB5 all release? */
goto FUN_D5;
}
if ((inw(dev->ioport[0] + 0x1c) & 0x2000) != 0) /* DB5 all release? */
i = 0;
}
*val |= 0x8000; /* no DB4-0, assert DB7 */
*val &= 0xe0ff;
outw(*val, dev->ioport[0] + 0x1c);
*val &= 0xbfff; /* release DB6 */
outw(*val, dev->ioport[0] + 0x1c);
FUN_D6:
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
if ((inw(dev->ioport[0] + 0x1c) & 0x4000) != 0) { /* DB6 all release? */
goto FUN_D6;
}
if ((inw(dev->ioport[0] + 0x1c) & 0x4000) != 0) /* DB6 all release? */
i = 0;
}
return j;