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| author | Iuliana Prodan <iuliana.prodan@nxp.com> | 2020-02-12 20:55:20 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-02-22 04:25:47 +0300 |
| commit | 4d370a1036958d7df9f1492c345b4984a4eba7f6 (patch) | |
| tree | 77113940ba078bb828036aec4d3a00f321ac81ab /drivers/crypto/caam/jr.c | |
| parent | d53e44fe980ba7325ac60f85312c9facf78fbba1 (diff) | |
| download | linux-4d370a1036958d7df9f1492c345b4984a4eba7f6.tar.xz | |
crypto: caam - change return code in caam_jr_enqueue function
Based on commit 6b80ea389a0b ("crypto: change transient busy return code to -ENOSPC"),
change the return code of caam_jr_enqueue function to -EINPROGRESS, in
case of success, -ENOSPC in case the CAAM is busy (has no space left
in job ring queue), -EIO if it cannot map the caller's descriptor.
Update, also, the cases for resource-freeing for each algorithm type.
This is done for later use, on backlogging support in CAAM.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/jr.c')
| -rw-r--r-- | drivers/crypto/caam/jr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index fc97cde27059..df2a0504bcf6 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -324,8 +324,8 @@ void caam_jr_free(struct device *rdev) EXPORT_SYMBOL(caam_jr_free); /** - * caam_jr_enqueue() - Enqueue a job descriptor head. Returns 0 if OK, - * -EBUSY if the queue is full, -EIO if it cannot map the caller's + * caam_jr_enqueue() - Enqueue a job descriptor head. Returns -EINPROGRESS + * if OK, -ENOSPC if the queue is full, -EIO if it cannot map the caller's * descriptor. * @dev: device of the job ring to be used. This device should have * been assigned prior by caam_jr_register(). @@ -377,7 +377,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) { spin_unlock_bh(&jrp->inplock); dma_unmap_single(dev, desc_dma, desc_size, DMA_TO_DEVICE); - return -EBUSY; + return -ENOSPC; } head_entry = &jrp->entinfo[head]; @@ -414,7 +414,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, spin_unlock_bh(&jrp->inplock); - return 0; + return -EINPROGRESS; } EXPORT_SYMBOL(caam_jr_enqueue); |