diff options
| author | Zaibo Xu <xuzaibo@huawei.com> | 2020-01-11 10:41:48 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-01-16 15:18:14 +0800 |
| commit | ca0d158dc9e5dc0902c1d507d82178d97f6f5709 (patch) | |
| tree | 4bf7ee4aeb7196bed263474525fea6e992b1339e /drivers/crypto | |
| parent | 279c075dc1d25f888f1a7423ecd1fdcdc54eba6a (diff) | |
crypto: hisilicon - Update debugfs usage of SEC V2
Applied some advices of Marco Elver on atomic usage of Debugfs,
which is carried out by basing on Arnd Bergmann's fixing patch.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Marco Elver <elver@google.com>
Signed-off-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/hisilicon/sec2/sec.h | 2 | ||||
| -rw-r--r-- | drivers/crypto/hisilicon/sec2/sec_crypto.c | 8 | ||||
| -rw-r--r-- | drivers/crypto/hisilicon/sec2/sec_main.c | 18 |
3 files changed, 14 insertions, 14 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h index b846d73d9a85..841f4c56ca73 100644 --- a/drivers/crypto/hisilicon/sec2/sec.h +++ b/drivers/crypto/hisilicon/sec2/sec.h @@ -40,7 +40,7 @@ struct sec_req { int req_id; /* Status of the SEC request */ - atomic_t fake_busy; + bool fake_busy; }; /** diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index 0a5391fff485..2475aaf0d59b 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -141,7 +141,7 @@ static int sec_bd_send(struct sec_ctx *ctx, struct sec_req *req) return -ENOBUFS; if (!ret) { - if (atomic_read(&req->fake_busy)) + if (req->fake_busy) ret = -EBUSY; else ret = -EINPROGRESS; @@ -641,7 +641,7 @@ static void sec_skcipher_callback(struct sec_ctx *ctx, struct sec_req *req) if (ctx->c_ctx.c_mode == SEC_CMODE_CBC && req->c_req.encrypt) sec_update_iv(req); - if (atomic_cmpxchg(&req->fake_busy, 1, 0) != 1) + if (req->fake_busy) sk_req->base.complete(&sk_req->base, -EINPROGRESS); sk_req->base.complete(&sk_req->base, req->err_type); @@ -672,9 +672,9 @@ static int sec_request_init(struct sec_ctx *ctx, struct sec_req *req) } if (ctx->fake_req_limit <= atomic_inc_return(&qp_ctx->pending_reqs)) - atomic_set(&req->fake_busy, 1); + req->fake_busy = true; else - atomic_set(&req->fake_busy, 0); + req->fake_busy = false; ret = ctx->req_op->get_res(ctx, req); if (ret) { diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index ab742dfbab99..d40e2da3b05d 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -608,13 +608,13 @@ static const struct file_operations sec_dbg_fops = { .write = sec_debug_write, }; -static int debugfs_atomic64_t_get(void *data, u64 *val) +static int sec_debugfs_atomic64_get(void *data, u64 *val) { - *val = atomic64_read((atomic64_t *)data); - return 0; + *val = atomic64_read((atomic64_t *)data); + return 0; } -DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic64_t_ro, debugfs_atomic64_t_get, NULL, - "%lld\n"); +DEFINE_DEBUGFS_ATTRIBUTE(sec_atomic64_ops, sec_debugfs_atomic64_get, + NULL, "%lld\n"); static int sec_core_debug_init(struct sec_dev *sec) { @@ -636,11 +636,11 @@ static int sec_core_debug_init(struct sec_dev *sec) debugfs_create_regset32("regs", 0444, tmp_d, regset); - debugfs_create_file("send_cnt", 0444, tmp_d, &dfx->send_cnt, - &fops_atomic64_t_ro); + debugfs_create_file("send_cnt", 0444, tmp_d, + &dfx->send_cnt, &sec_atomic64_ops); - debugfs_create_file("recv_cnt", 0444, tmp_d, &dfx->recv_cnt, - &fops_atomic64_t_ro); + debugfs_create_file("recv_cnt", 0444, tmp_d, + &dfx->recv_cnt, &sec_atomic64_ops); return 0; } |