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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>
This commit is contained in:
Kai Ye 2020-07-07 09:15:37 +08:00 committed by Herbert Xu
parent eeedb61837
commit 7dc95d0ea3
1 changed files with 7 additions and 0 deletions
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7
drivers/crypto/hisilicon/sec2/sec_main.c
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@ -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);