Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90a87ea480ce50e7a1553568395c024294db1808
Commit: 90a87ea480ce50e7a1553568395c024294db1808
Parent: 39e5f590b6dea070f17d44e1e6af1188777085d3
Author: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Sat Oct 13 17:47:48 2007 +0200
Committer: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Sat Oct 13 17:47:48 2007 +0200
ide-pmac: don't check kauai_lookup_timing() return value
kauai_lookup_timing() should always return non-zero return value:
* BUG() in kauai_lookup_timing() if the timing info cannot be found.
* Remove code checking for zero return value from all callers.
Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Acked-by: Sergei Shtylyov <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
drivers/ide/ppc/pmac.c | 13 +------------
1 files changed, 1 insertions(+), 12 deletions(-)
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index f759a53..b43457e 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -392,6 +392,7 @@ kauai_lookup_timing(struct kauai_timing* table, int
cycle_time)
for (i=0; table[i].cycle_time; i++)
if (cycle_time > table[i+1].cycle_time)
return table[i].timing_reg;
+ BUG();
return 0;
}
@@ -637,8 +638,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
case controller_sh_ata6: {
/* 133Mhz cell */
u32 tr = kauai_lookup_timing(shasta_pio_timings, cycle_time);
- if (tr == 0)
- return;
*timings = ((*timings) & ~TR_133_PIOREG_PIO_MASK) | tr;
break;
}
@@ -646,8 +645,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
case controller_k2_ata6: {
/* 100Mhz cell */
u32 tr = kauai_lookup_timing(kauai_pio_timings, cycle_time);
- if (tr == 0)
- return;
*timings = ((*timings) & ~TR_100_PIOREG_PIO_MASK) | tr;
break;
}
@@ -746,8 +743,6 @@ set_timings_udma_ata6(u32 *pio_timings, u32 *ultra_timings,
u8 speed)
if (speed > XFER_UDMA_5 || t == NULL)
return 1;
tr = kauai_lookup_timing(kauai_udma_timings, (int)t->udma);
- if (tr == 0)
- return 1;
*ultra_timings = ((*ultra_timings) & ~TR_100_UDMAREG_UDMA_MASK) | tr;
*ultra_timings = (*ultra_timings) | TR_100_UDMAREG_UDMA_EN;
@@ -766,8 +761,6 @@ set_timings_udma_shasta(u32 *pio_timings, u32
*ultra_timings, u8 speed)
if (speed > XFER_UDMA_6 || t == NULL)
return 1;
tr = kauai_lookup_timing(shasta_udma133_timings, (int)t->udma);
- if (tr == 0)
- return 1;
*ultra_timings = ((*ultra_timings) & ~TR_133_UDMAREG_UDMA_MASK) | tr;
*ultra_timings = (*ultra_timings) | TR_133_UDMAREG_UDMA_EN;
@@ -839,8 +832,6 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32
*timings, u32 *timings2,
case controller_sh_ata6: {
/* 133Mhz cell */
u32 tr = kauai_lookup_timing(shasta_mdma_timings, cycleTime);
- if (tr == 0)
- return 1;
*timings = ((*timings) & ~TR_133_PIOREG_MDMA_MASK) | tr;
*timings2 = (*timings2) & ~TR_133_UDMAREG_UDMA_EN;
}
@@ -848,8 +839,6 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32
*timings, u32 *timings2,
case controller_k2_ata6: {
/* 100Mhz cell */
u32 tr = kauai_lookup_timing(kauai_mdma_timings, cycleTime);
- if (tr == 0)
- return 1;
*timings = ((*timings) & ~TR_100_PIOREG_MDMA_MASK) | tr;
*timings2 = (*timings2) & ~TR_100_UDMAREG_UDMA_EN;
}
-
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