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authorDave Jiang <dave.jiang@intel.com>2021-10-12 11:01:19 -0700
committerVinod Koul <vkoul@kernel.org>2021-10-18 12:04:51 +0530
commitc5b64b6826e020041ef4f68a281dee2f33c827d6 (patch)
tree4a8a63447dfee116d6585cd754a2f34e516a9166 /drivers/dma/idxd/registers.h
parent79c4c3db7d86b9bec94562275efc82e58f3d0132 (diff)
downloadlinux-c5b64b6826e020041ef4f68a281dee2f33c827d6.tar.gz
dmaengine: idxd: remove gen cap field per spec 1.2 update
Remove max_descs_per_engine field. The recently released DSA spec 1.2 [1]
has removed this field and made it reserved.

[1]: https://software.intel.com/content/dam/develop/external/us/en/documents-tps/341204-intel-data-streaming-accelerator-spec.pdf

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163406167978.1303649.1798682437841822837.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/idxd/registers.h')
-rw-r--r--drivers/dma/idxd/registers.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/dma/idxd/registers.h b/drivers/dma/idxd/registers.h
index ffc7550a77ee..eeb11e6eb25b 100644
--- a/drivers/dma/idxd/registers.h
+++ b/drivers/dma/idxd/registers.h
@@ -36,8 +36,7 @@ union gen_cap_reg {
 		u64 max_batch_shift:4;
 		u64 max_ims_mult:6;
 		u64 config_en:1;
-		u64 max_descs_per_engine:8;
-		u64 rsvd3:24;
+		u64 rsvd3:32;
 	};
 	u64 bits;
 } __packed;