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[IA64-SGI] fix SGI Altix tioce_reserve_m32() bug

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The following patch fixes a bug in the SGI Altix tioce_reserve_m32()
code.  The bug was that we could walking past the end of the CE ASIC
32/40bit PMU ATE Buffer, resulting in a PIO Reply Error.

Signed-off-by: Mike Habeck <habeck@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Mike Habeck 2006-04-26 12:05:50 -05:00 committed by Tony Luck
parent 1df57c0c21
commit cda3d4a069
1 changed files with 3 additions and 3 deletions
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6
arch/ia64/sn/pci/tioce_provider.c
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@ -682,9 +682,6 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
int ate_index, last_ate, ps; int ate_index, last_ate, ps;
struct tioce *ce_mmr; struct tioce *ce_mmr;
if (!TIOCE_M32_ADDR(base))
return;
ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base; ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base;
ps = ce_kern->ce_ate3240_pagesize; ps = ce_kern->ce_ate3240_pagesize;
ate_index = ATE_PAGE(base, ps); ate_index = ATE_PAGE(base, ps);
@ -693,6 +690,9 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
if (ate_index < 64) if (ate_index < 64)
ate_index = 64; ate_index = 64;
if (last_ate >= TIOCE_NUM_M3240_ATES)
last_ate = TIOCE_NUM_M3240_ATES - 1;
while (ate_index <= last_ate) { while (ate_index <= last_ate) {
u64 ate; u64 ate;