* [PATCH] hwrng: mediatek: add mt7986 support
@ 2022-10-08 16:45 Frank Wunderlich
2022-10-21 11:37 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: Frank Wunderlich @ 2022-10-08 16:45 UTC (permalink / raw)
To: linux-mediatek
Cc: Mingming.Su, Sean Wang, Olivia Mackall, Herbert Xu,
Matthias Brugger, linux-crypto, linux-arm-kernel, linux-kernel,
Frank Wunderlich
From: "Mingming.Su" <Mingming.Su@mediatek.com>
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>
---
drivers/char/hw_random/mtk-rng.c | 5 +++--
1 file 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" },
{},
};
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] hwrng: mediatek: add mt7986 support
2022-10-08 16:45 [PATCH] hwrng: mediatek: add mt7986 support Frank Wunderlich
@ 2022-10-21 11:37 ` Herbert Xu
0 siblings, 0 replies; 2+ messages in thread
From: Herbert Xu @ 2022-10-21 11:37 UTC (permalink / raw)
To: Frank Wunderlich
Cc: linux-mediatek, Mingming.Su, Sean Wang, Olivia Mackall,
Matthias Brugger, linux-crypto, linux-arm-kernel, linux-kernel,
Frank Wunderlich
On Sat, Oct 08, 2022 at 06:45:53PM +0200, Frank Wunderlich wrote:
> From: "Mingming.Su" <Mingming.Su@mediatek.com>
>
> 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>
> ---
> drivers/char/hw_random/mtk-rng.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 2+ messages in thread
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