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| author |   Kai Ye <yekai13@huawei.com> | 2020-07-07 09:15:37 +0800 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2020-07-16 21:49:00 +1000 |
| commit | 7dc95d0ea32e75c8b2cb883642f33353939c9bac (patch) | |
| tree | c1ac370b355831436fd31dd4aee49750eba9c26b /drivers/crypto/hisilicon/sec2/sec_main.c | |
| parent | crypto: caam - Remove broken arc4 support (diff) | |
| download | linux-dev-7dc95d0ea32e75c8b2cb883642f33353939c9bac.tar.xz linux-dev-7dc95d0ea32e75c8b2cb883642f33353939c9bac.zip | |
crypto: hisilicon/sec2 - clear SEC debug regs
SEC debug registers aren't cleared even if its driver is removed,
so add a clearing operation in driver removing.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Reviewed-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon/sec2/sec_main.c')
| -rw-r--r-- | drivers/crypto/hisilicon/sec2/sec_main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index 57de51fa6f51..d5f0589a1b0d 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -346,10 +346,17 @@ static int sec_set_user_domain_and_cache(struct hisi_qm *qm) /* sec_debug_regs_clear() - clear the sec debug regs */ static void sec_debug_regs_clear(struct hisi_qm *qm) { + int i; + /* clear current_qm */ writel(0x0, qm->io_base + QM_DFX_MB_CNT_VF); writel(0x0, qm->io_base + QM_DFX_DB_CNT_VF); + /* clear sec dfx regs */ + writel(0x1, qm->io_base + SEC_CTRL_CNT_CLR_CE); + for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++) + readl(qm->io_base + sec_dfx_regs[i].offset); + /* clear rdclr_en */ writel(0x0, qm->io_base + SEC_CTRL_CNT_CLR_CE); |