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| author | Krzysztof Kozlowski <krzk@kernel.org> | 2017-03-17 15:49:21 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-03-24 15:03:00 +0100 |
| commit | 106d73340f46538d29547ac06271f55de0f4d14e (patch) | |
| tree | dd850f8c7f590e67c669678e0164de5d37504701 | |
| parent | crypto: s5p-sss - Remove unused variant field from state container (diff) | |
| download | linux-106d73340f46538d29547ac06271f55de0f4d14e.tar.xz linux-106d73340f46538d29547ac06271f55de0f4d14e.zip | |
crypto: s5p-sss - Document the struct s5p_aes_dev
Add kernel-doc to s5p_aes_dev structure.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/s5p-sss.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 35ea84b7d775..7ac657f46d15 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -170,6 +170,32 @@ struct s5p_aes_ctx { int keylen; }; +/** + * struct s5p_aes_dev - Crypto device state container + * @dev: Associated device + * @clk: Clock for accessing hardware + * @ioaddr: Mapped IO memory region + * @aes_ioaddr: Per-varian offset for AES block IO memory + * @irq_fc: Feed control interrupt line + * @req: Crypto request currently handled by the device + * @ctx: Configuration for currently handled crypto request + * @sg_src: Scatter list with source data for currently handled block + * in device. This is DMA-mapped into device. + * @sg_dst: Scatter list with destination data for currently handled block + * in device. This is DMA-mapped into device. + * @sg_src_cpy: In case of unaligned access, copied scatter list + * with source data. + * @sg_dst_cpy: In case of unaligned access, copied scatter list + * with destination data. + * @tasklet: New request scheduling jib + * @queue: Crypto queue + * @busy: Indicates whether the device is currently handling some request + * thus it uses some of the fields from this state, like: + * req, ctx, sg_src/dst (and copies). This essentially + * protects against concurrent access to these fields. + * @lock: Lock for protecting both access to device hardware registers + * and fields related to current request (including the busy field). + */ struct s5p_aes_dev { struct device *dev; struct clk *clk; @@ -182,7 +208,6 @@ struct s5p_aes_dev { struct scatterlist *sg_src; struct scatterlist *sg_dst; - /* In case of unaligned access: */ struct scatterlist *sg_src_cpy; struct scatterlist *sg_dst_cpy; |