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authorOndrej Zary <linux@rainbow-software.org>2015-11-17 18:23:53 (GMT)
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-26 03:08:35 (GMT)
commitc7fcc089b0e49dce9208277871f69e42d8fb1db0 (patch)
treec5ce051a70eacda5afad68ebbeb834c4dbc2ce96
parent58c4d046b4d1d5b84875eb73115f3ef092abccce (diff)
downloadlinux-c7fcc089b0e49dce9208277871f69e42d8fb1db0.tar.xz
atp870u: Remove ugly gotos #5
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>
-rw-r--r--drivers/scsi/atp870u.c134
1 files changed, 62 insertions, 72 deletions
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 68afe11..fd2bb6f 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -1007,28 +1007,22 @@ static void tscam(struct Scsi_Host *host)
;
outb(1, 0x80);
udelay(100);
- for (n = 0; n < 0x30000; n++) {
- if ((inb(dev->ioport[0] + 0x1c) & 0x80) != 0) { /* bsy ? */
- goto wait_io;
- }
- }
- goto TCM_SYNC;
-wait_io:
- for (n = 0; n < 0x30000; n++) {
- if ((inb(dev->ioport[0] + 0x1c) & 0x81) == 0x0081) {
- goto wait_io1;
- }
- }
- goto TCM_SYNC;
-wait_io1:
- inb(0x80);
- val |= 0x8003; /* io,cd,db7 */
- outw(val, dev->ioport[0] + 0x1c);
- inb(0x80);
- val &= 0x00bf; /* no sel */
- outw(val, dev->ioport[0] + 0x1c);
- outb(2, 0x80);
-TCM_SYNC:
+ for (n = 0; n < 0x30000; n++)
+ if ((inb(dev->ioport[0] + 0x1c) & 0x80) != 0) /* bsy ? */
+ break;
+ if (n < 0x30000)
+ for (n = 0; n < 0x30000; n++)
+ if ((inb(dev->ioport[0] + 0x1c) & 0x81) == 0x0081) {
+ inb(0x80);
+ val |= 0x8003; /* io,cd,db7 */
+ outw(val, dev->ioport[0] + 0x1c);
+ inb(0x80);
+ val &= 0x00bf; /* no sel */
+ outw(val, dev->ioport[0] + 0x1c);
+ outb(2, 0x80);
+ break;
+ }
+ while (1) {
/*
* The funny division into multiple delays is to accomodate
* arches like ARM where udelay() multiplies its argument by
@@ -1059,31 +1053,28 @@ TCM_SYNC:
outb(4, 0x80);
i = 8;
j = 0;
-TCM_ID:
- if ((inw(dev->ioport[0] + 0x1c) & 0x2000) == 0) {
- goto TCM_ID;
- }
- outb(5, 0x80);
- val &= 0x00ff; /* get ID_STRING */
- val |= 0x2000;
- k = fun_scam(dev, &val);
- if ((k & 0x03) == 0) {
- goto TCM_5;
- }
- mbuf[j] <<= 0x01;
- mbuf[j] &= 0xfe;
- if ((k & 0x02) != 0) {
- mbuf[j] |= 0x01;
- }
- i--;
- if (i > 0) {
- goto TCM_ID;
+
+ while (1) {
+ if ((inw(dev->ioport[0] + 0x1c) & 0x2000) == 0)
+ continue;
+ outb(5, 0x80);
+ val &= 0x00ff; /* get ID_STRING */
+ val |= 0x2000;
+ k = fun_scam(dev, &val);
+ if ((k & 0x03) == 0)
+ break;
+ mbuf[j] <<= 0x01;
+ mbuf[j] &= 0xfe;
+ if ((k & 0x02) != 0)
+ mbuf[j] |= 0x01;
+ i--;
+ if (i > 0)
+ continue;
+ j++;
+ i = 8;
}
- j++;
- i = 8;
- goto TCM_ID;
-TCM_5: /* isolation complete.. */
+ /* isolation complete.. */
/* mbuf[32]=0;
printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */
i = 15;
@@ -1091,33 +1082,33 @@ TCM_5: /* isolation complete.. */
if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */
i = 7;
}
- if ((j & 0x06) == 0) { /* IDvalid? */
- goto G2Q5;
- }
- k = mbuf[1];
-small_id:
- m = 1;
- m <<= k;
- if ((m & assignid_map) == 0) {
- goto G2Q_QUIN;
- }
- if (k > 0) {
- k--;
- goto small_id;
- }
-G2Q5: /* srch from max acceptable ID# */
- k = i; /* max acceptable ID# */
-G2Q_LP:
- m = 1;
- m <<= k;
- if ((m & assignid_map) == 0) {
- goto G2Q_QUIN;
+ if ((j & 0x06) != 0) { /* IDvalid? */
+ k = mbuf[1];
+ while (1) {
+ m = 1;
+ m <<= k;
+ if ((m & assignid_map) == 0)
+ break;
+ if (k > 0)
+ k--;
+ else
+ break;
+ }
}
- if (k > 0) {
- k--;
- goto G2Q_LP;
+ if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */
+ k = i; /* max acceptable ID# */
+ while (1) {
+ m = 1;
+ m <<= k;
+ if ((m & assignid_map) == 0)
+ break;
+ if (k > 0)
+ k--;
+ else
+ break;
+ }
}
-G2Q_QUIN: /* k=binID#, */
+ /* k=binID#, */
assignid_map |= m;
if (k < 8) {
quintet[0] = 0x38; /* 1st dft ID<8 */
@@ -1136,8 +1127,7 @@ G2Q_QUIN: /* k=binID#, */
val |= m;
fun_scam(dev, &val);
- goto TCM_SYNC;
-
+ }
}
static void is870(struct atp_unit *dev, unsigned int wkport)