Commit cda3d4a0 authored by Mike Habeck's avatar Mike Habeck Committed by Tony Luck

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

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: default avatarMike Habeck <habeck@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 1df57c0c
......@@ -682,9 +682,6 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
int ate_index, last_ate, ps;
struct tioce *ce_mmr;
if (!TIOCE_M32_ADDR(base))
return;
ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base;
ps = ce_kern->ce_ate3240_pagesize;
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)
ate_index = 64;
if (last_ate >= TIOCE_NUM_M3240_ATES)
last_ate = TIOCE_NUM_M3240_ATES - 1;
while (ate_index <= last_ate) {
u64 ate;
......
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