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authorDave Jiang <dave.jiang@intel.com>2020-03-10 10:51:09 -0700
committerVinod Koul <vkoul@kernel.org>2020-03-11 15:08:52 +0530
commit91124ac61216ed29405d96a29ec914624b196a79 (patch)
treea7eb30710a6495c108bb8a37b8da2e7717b6424f /drivers/dma
parenta1fcaf07ec718bb1f11e29e952c9a4cb733d57a5 (diff)
downloadlinux-91124ac61216ed29405d96a29ec914624b196a79.tar.bz2
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.c5
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;