On Wed, Sep 07, 2016 at 04:04:01PM +0300, Stanimir Varbanov wrote: > Hi Iaroslav, > > On 09/03/2016 07:45 PM, Iaroslav Gridin wrote: > > Without that, QCE performance is about 2x less. > > On which platform? The clock rates are per SoC. Dragonboard 8074. Should clock rate be moved to its DT? > > > > Signed-off-by: Iaroslav Gridin <voker57@xxxxxxxxx> > > --- > > drivers/crypto/qce/core.c | 18 +++++++++++++++++- > > drivers/crypto/qce/core.h | 2 +- > > 2 files changed, 18 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c > > index 0cde513..657354c 100644 > > --- a/drivers/crypto/qce/core.c > > +++ b/drivers/crypto/qce/core.c > > @@ -193,6 +193,10 @@ static int qce_crypto_probe(struct platform_device *pdev) > > if (ret < 0) > > return ret; > > > > + qce->core_src = devm_clk_get(qce->dev, "core_src"); > > + if (IS_ERR(qce->core_src)) > > + return PTR_ERR(qce->core_src); > > + > > qce->core = devm_clk_get(qce->dev, "core"); > > if (IS_ERR(qce->core)) > > return PTR_ERR(qce->core); > > @@ -205,10 +209,20 @@ static int qce_crypto_probe(struct platform_device *pdev) > > if (IS_ERR(qce->bus)) > > return PTR_ERR(qce->bus); > > > > - ret = clk_prepare_enable(qce->core); > > + ret = clk_prepare_enable(qce->core_src); > > if (ret) > > return ret; > > > > + ret = clk_set_rate(qce->core_src, 100000000); > > Could you point me from where you got this number? Also I think you > shouldn't be requesting "core_src" it should be a parent of "core" clock > in the clock tree. Did you tried to set rate on "core" clock? Tried it, helps with speed as well. -- To unsubscribe from this list: send the line "unsubscribe linux-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
