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Subject[PATCH 2/4] crypto: hisilicon/hpre - tiny fix
Date
Update since some special settings only for Kunpeng920.

Signed-off-by: Hui Tang <tanghui20@huawei.com>
---
drivers/crypto/hisilicon/hpre/hpre_main.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
index 0045261..06448b8 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -318,7 +318,7 @@ static int hpre_set_cluster(struct hisi_qm *qm)
}

/*
- * For Hi1620, we shoul disable FLR triggered by hardware (BME/PM/SRIOV).
+ * For Kunpeng 920, we shoul disable FLR triggered by hardware (BME/PM/SRIOV).
* Or it may stay in D3 state when we bind and unbind hpre quickly,
* as it does FLR triggered by hardware.
*/
@@ -376,11 +376,14 @@ static int hpre_set_user_domain_and_cache(struct hisi_qm *qm)
if (ret)
return -ETIMEDOUT;

- ret = hpre_cfg_by_dsm(qm);
- if (ret)
- dev_err(dev, "acpi_evaluate_dsm err.\n");
+ /* This setting is only needed by Kunpeng 920. */
+ if (qm->ver == QM_HW_V2) {
+ ret = hpre_cfg_by_dsm(qm);
+ if (ret)
+ dev_err(dev, "acpi_evaluate_dsm err.\n");

- disable_flr_of_bme(qm);
+ disable_flr_of_bme(qm);
+ }

return ret;
}
--
2.8.1
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