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dmaengine: idxd: remove global token limit check

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The global token_limit is not tied to group tokens_reserved and
tokens_allowed parameters. Remove the check in order to allow independent
configuration.

Fixes: c52ca47823 ("dmaengine: idxd: add configuration component of driver")
Reported-by: Yixin Zhang <yixin.zhang@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158386266911.11066.7545764533072221536.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dave Jiang 2020-03-10 10:51:09 -07:00 committed by Vinod Koul
parent a1fcaf07ec
commit 91124ac612
1 changed files with 0 additions and 5 deletions
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5
drivers/dma/idxd/sysfs.c
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@ -509,9 +509,6 @@ static ssize_t group_tokens_reserved_store(struct device *dev,
if (idxd->state == IDXD_DEV_ENABLED)
return -EPERM;
if (idxd->token_limit == 0)
return -EPERM;
if (val > idxd->max_tokens)
return -EINVAL;
@ -557,8 +554,6 @@ static ssize_t group_tokens_allowed_store(struct device *dev,
if (idxd->state == IDXD_DEV_ENABLED)
return -EPERM;
if (idxd->token_limit == 0)
return -EPERM;
if (val < 4 * group->num_engines ||
val > group->tokens_reserved + idxd->nr_tokens)
return -EINVAL;