diff options
Diffstat (limited to 'drivers/rng/msm_rng.c')
| -rw-r--r-- | drivers/rng/msm_rng.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/rng/msm_rng.c b/drivers/rng/msm_rng.c index 658c153d3ed..f790d3b60f9 100644 --- a/drivers/rng/msm_rng.c +++ b/drivers/rng/msm_rng.c @@ -34,6 +34,7 @@ struct msm_rng_priv { phys_addr_t base; struct clk clk; + bool skip_init; }; static int msm_rng_read(struct udevice *dev, void *data, size_t len) @@ -100,10 +101,15 @@ static int msm_rng_probe(struct udevice *dev) int ret; + priv->skip_init = (bool)dev_get_driver_data(dev); + priv->base = dev_read_addr(dev); if (priv->base == FDT_ADDR_T_NONE) return -EINVAL; + if (priv->skip_init) + return 0; + ret = clk_get_by_index(dev, 0, &priv->clk); if (ret) return ret; @@ -119,6 +125,9 @@ static int msm_rng_remove(struct udevice *dev) { struct msm_rng_priv *priv = dev_get_priv(dev); + if (priv->skip_init) + return 0; + return msm_rng_enable(priv, 0); } @@ -127,7 +136,9 @@ static const struct dm_rng_ops msm_rng_ops = { }; static const struct udevice_id msm_rng_match[] = { - { .compatible = "qcom,prng", }, + { .compatible = "qcom,prng", .data = (ulong)false }, + { .compatible = "qcom,prng-ee", .data = (ulong)true }, + { .compatible = "qcom,trng", .data = (ulong)true }, {}, }; |