diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2020-03-10 10:51:09 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-03-11 15:08:52 +0530 |
| commit | 91124ac61216ed29405d96a29ec914624b196a79 (patch) | |
| tree | a7eb30710a6495c108bb8a37b8da2e7717b6424f /drivers/dma | |
| parent | a1fcaf07ec718bb1f11e29e952c9a4cb733d57a5 (diff) | |
| download | lwn-91124ac61216ed29405d96a29ec914624b196a79.tar.gz lwn-91124ac61216ed29405d96a29ec914624b196a79.zip | |
dmaengine: idxd: remove global token limit check
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: c52ca478233c ("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>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/idxd/sysfs.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index a74e99cb055d..65b08da41329 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -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; |