diff options
| author | Weili Qian <qianweili@huawei.com> | 2022-09-09 12:46:55 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-09-16 13:29:44 +0300 |
| commit | 82f00b24f532557fb0e15a6a2747859e4b70c4bd (patch) | |
| tree | 4cf1515bd90d8d85ae9120c6af9c420962fd96fa /drivers/crypto/hisilicon/hpre | |
| parent | 0413623c27a380d0da7240717f9435d24776b985 (diff) | |
| download | linux-82f00b24f532557fb0e15a6a2747859e4b70c4bd.tar.xz | |
crypto: hisilicon/qm - get hardware features from hardware registers
Before hardware V3, hardwares do not provide the feature registers,
driver resolves hardware differences based on the hardware version.
As a result, the driver does not support the new hardware.
Hardware V3 and later versions support to obtain hardware features,
such as power-gating management and doorbell isolation, through
the hardware registers. To be compatible with later hardware versions,
the features of the current device is obtained by reading the
hardware registers instead of the hardware version.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon/hpre')
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c index 8e0e87cede6b..d484105b2716 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_main.c +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c @@ -457,7 +457,7 @@ static void hpre_open_sva_prefetch(struct hisi_qm *qm) u32 val; int ret; - if (qm->ver < QM_HW_V3) + if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) return; /* Enable prefetch */ @@ -478,7 +478,7 @@ static void hpre_close_sva_prefetch(struct hisi_qm *qm) u32 val; int ret; - if (qm->ver < QM_HW_V3) + if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) return; val = readl_relaxed(qm->io_base + HPRE_PREFETCH_CFG); |