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3 Commits

Author SHA1 Message Date
Sean Wang 4565da7c39 hwrng: mediatek - Setup default RNG quality 
When hw_random device's quality is non-zero, it will automatically fill
the kernel's entropy pool at boot.  For the purpose, one conservative
quality value is being picked up as the default value.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2018-01-18 22:52:25 +11:00
Sean Wang 81d2b34508 hwrng: mtk - add runtime PM support 
Add runtime PM support.  There will be the benefit on SoCs where the
clock to the RNG used can be shutdown.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2017-06-20 11:21:28 +08:00
Sean Wang 7701d1ff8e hwrng: mtk - Add driver for hardware random generator on MT7623 SoC 
This patch adds support for hardware random generator on MT7623 SoC
and should also work on other similar Mediatek SoCs. Currently,
the driver is already tested successfully with rng-tools.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2017-04-21 20:30:56 +08:00