On Thu, Aug 29, 2024 at 11:58 AM Ernesto A. Fernández <ernesto.mnd.fernandez@xxxxxxxxx> wrote: > thanks for the patch. I have one doubt: > > On Wed, Aug 28, 2024 at 09:20:05PM -0400, Brian Masney wrote: > > The qcom-rng driver supports both ACPI and device tree based systems. > > ACPI support was broken when the hw_random interface support was added. > > Let's go ahead and fix this by checking has_acpi_companion(). > > > > This fix was boot tested on a Qualcomm Amberwing server. > > > > Fixes: f29cd5bb64c2 ("crypto: qcom-rng - Add hw_random interface support") > > Signed-off-by: Brian Masney <bmasney@xxxxxxxxxx> > > --- > > drivers/crypto/qcom-rng.c | 36 ++++++++++++++++++++---------------- > > 1 file changed, 20 insertions(+), 16 deletions(-) > > > > diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c > > index 4ed545001b77..470062cb258c 100644 > > --- a/drivers/crypto/qcom-rng.c > > +++ b/drivers/crypto/qcom-rng.c > > @@ -176,6 +176,21 @@ static struct rng_alg qcom_rng_alg = { > > } > > }; > > > > +static struct qcom_rng_match_data qcom_prng_match_data = { > > + .skip_init = false, > > So with acpi, skip_init will be set to false now, right? But before > f29cd5bb64c2 broke it, skip_init used to be set to true. Was that wrong > before, or now? Good catch! I didn't check the _DSD and assumed it was always false. I'll verify on the server we have in the lab and post a v2. Brian