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Add handling of RNG0 clock to the driver.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The Amlogic Meson is a DT-only platform, which means the devices are
registered via OF and not using the legacy platform devices support.
So there's no need to have a MODULE_ALIAS("platform:meson-rng") since
the reported uevent MODALIAS to user-space will always be the OF one.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/char/hw_random/meson-rng.ko | grep alias
alias: platform:meson-rng
After this patch:
$ modinfo drivers/char/hw_random/meson-rng.ko | grep alias
alias: platform:meson-rng
alias: of:N*T*Camlogic,meson-rngC*
alias: of:N*T*Camlogic,meson-rng
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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HW RNG core never asks for data less than 4 bytes. The check whether max
is less than 4 bytes is unnecessary. Remove the check.
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for the Amlogic Meson SoCs hardware random generator.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Heiner Kallweit
Javier Martinez Canillas
PrasannaKumar Muralidharan
Neil Armstrong