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cpt_device_init() is never called in atomic context.
The call chain ending up at cpt_device_init() is:
[1] cpt_device_init() <- cpt_probe()
cpt_probe() is only set as ".probe" in pci_driver structure
"cpt_pci_driver".
Despite never getting called from atomic context, cpt_device_init() calls
mdelay(100), i.e. busy wait for 100ms.
That is not necessary and can be replaced with msleep to
avoid busy waiting.
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Two return case misses to call release_firmware() and so leak some
memory.
This patch create a fw_release label (and so a common error path)
and use it on all return case.
Detected by CoverityScan, CID#1416422 ("Resource Leak")
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
pci_enable_msix has been long deprecated, but this driver adds a new
instance. Convert it to pci_alloc_irq_vectors and greatly simplify
the code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Enable the Physical Function driver for the Cavium Crypto Engine (CPT)
found in Octeon-tx series of SoC's. CPT is the Cryptographic Accelaration
Unit. CPT includes microcoded GigaCypher symmetric engines (SEs) and
asymmetric engines (AEs).
Signed-off-by: George Cherian <george.cherian@cavium.com>
Reviewed-by: David Daney <david.daney@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
