diff options
| author | Mingming.Su <Mingming.Su@mediatek.com> | 2022-10-08 18:45:53 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-10-21 19:15:35 +0800 |
| commit | f1da27b7c4191f78ed81d3dabf64c769f896296c (patch) | |
| tree | 4614165691c6e055bc8a879813262f86bcefa371 /drivers/char | |
| parent | 76a4e874593543a2dff91d249c95bac728df2774 (diff) | |
| download | linux-f1da27b7c4191f78ed81d3dabf64c769f896296c.tar.bz2 | |
hwrng: mtk - add mt7986 support
1. Add trng compatible name for MT7986
2. Fix mtk_rng_wait_ready() function
Signed-off-by: Mingming.Su <Mingming.Su@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/mtk-rng.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 6c00ea008555..aa993753ab12 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -22,7 +22,7 @@ #define RNG_AUTOSUSPEND_TIMEOUT 100 #define USEC_POLL 2 -#define TIMEOUT_POLL 20 +#define TIMEOUT_POLL 60 #define RNG_CTRL 0x00 #define RNG_EN BIT(0) @@ -77,7 +77,7 @@ static bool mtk_rng_wait_ready(struct hwrng *rng, bool wait) readl_poll_timeout_atomic(priv->base + RNG_CTRL, ready, ready & RNG_READY, USEC_POLL, TIMEOUT_POLL); - return !!ready; + return !!(ready & RNG_READY); } static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) @@ -179,6 +179,7 @@ static const struct dev_pm_ops mtk_rng_pm_ops = { #endif /* CONFIG_PM */ static const struct of_device_id mtk_rng_match[] = { + { .compatible = "mediatek,mt7986-rng" }, { .compatible = "mediatek,mt7623-rng" }, {}, }; |