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habanalabs: Add mask for CS type bits in CS flags

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hl_cs_sanity_checks() extracts the CS type bits of the CS flags, by
masking out the non-type bits.
To save the need for updating the function whenever new bits for
non-type flags are added, add an explicit mask for the CS type bits.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Tomer Tayar 2020-11-22 11:02:50 +02:00 committed by Oded Gabbay
parent 3b82c34f06
commit 3e438b42a5
1 changed files with 4 additions and 2 deletions
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6
drivers/misc/habanalabs/common/command_submission.c
View file

@ -11,6 +11,9 @@
#include <linux/uaccess.h>
#include <linux/slab.h>
#define HL_CS_FLAGS_TYPE_MASK (HL_CS_FLAGS_SIGNAL | HL_CS_FLAGS_WAIT | \
HL_CS_FLAGS_COLLECTIVE_WAIT)
/**
* enum hl_cs_wait_status - cs wait status
* @CS_WAIT_STATUS_BUSY: cs was not completed yet
@ -737,8 +740,7 @@ static int hl_cs_sanity_checks(struct hl_fpriv *hpriv, union hl_cs_args *args)
return -EBUSY;
}
cs_type_flags = args->in.cs_flags &
~(HL_CS_FLAGS_FORCE_RESTORE | HL_CS_FLAGS_TIMESTAMP);
cs_type_flags = args->in.cs_flags & HL_CS_FLAGS_TYPE_MASK;
if (unlikely(cs_type_flags && !is_power_of_2(cs_type_flags))) {
dev_err(hdev->dev,