Re: [PATCH v2 09/17] crypto: qce: core: Add support to initialize interconnect path

[Thara Gopinath]

On 5/18/21 11:07 AM, Bjorn Andersson wrote:
> On Wed 05 May 16:37 CDT 2021, Bhupesh Sharma wrote:
>
> > From: Thara Gopinath <thara.gopinath@xxxxxxxxxx>
> >
> > Crypto engine on certain Snapdragon processors like sm8150, sm8250, sm8350
> > etc. requires interconnect path between the engine and memory to be
> > explicitly enabled and bandwidth set prior to any operations. Add support
> > in the qce core to enable the interconnect path appropriately.
> >
> > Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> > Cc: Andy Gross <agross@xxxxxxxxxx>
> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> > Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> > Cc: Stephen Boyd <sboyd@xxxxxxxxxx>
> > Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
> > Cc: Vinod Koul <vkoul@xxxxxxxxxx>
> > Cc: dmaengine@xxxxxxxxxxxxxxx
> > Cc: linux-clk@xxxxxxxxxxxxxxx
> > Cc: linux-crypto@xxxxxxxxxxxxxxx
> > Cc: devicetree@xxxxxxxxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Cc: bhupesh.linux@xxxxxxxxx
> > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> > [Make header file inclusion alphabetical]
> > Signed-off-by: Thara Gopinath <thara.gopinath@xxxxxxxxxx>
>
> This says that you prepared the patch, then Thara picked up the patch
> and sorted the includes. But somehow you then sent the patch.
>
> I.e. you name should be the last - unless you jointly wrote the path, in
> which case you should also add a "Co-developed-by: Thara".
>
> > ---
> >   drivers/crypto/qce/core.c | 35 ++++++++++++++++++++++++++++-------
> >   drivers/crypto/qce/core.h |  1 +
> >   2 files changed, 29 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c
> > index 80b75085c265..92a0ff1d357e 100644
> > --- a/drivers/crypto/qce/core.c
> > +++ b/drivers/crypto/qce/core.c
> > @@ -5,6 +5,7 @@
> >   
> >   #include <linux/clk.h>
> >   #include <linux/dma-mapping.h>
> > +#include <linux/interconnect.h>
> >   #include <linux/interrupt.h>
> >   #include <linux/module.h>
> >   #include <linux/mod_devicetable.h>
> > @@ -21,6 +22,8 @@
> >   #define QCE_MAJOR_VERSION5	0x05
> >   #define QCE_QUEUE_LENGTH	1
> >   
> > +#define QCE_DEFAULT_MEM_BANDWIDTH	393600
>
> Do we know what this rate is?
>
> > +
> >   static const struct qce_algo_ops *qce_ops[] = {
> >   #ifdef CONFIG_CRYPTO_DEV_QCE_SKCIPHER
> >   	&skcipher_ops,
> > @@ -202,21 +205,35 @@ static int qce_crypto_probe(struct platform_device *pdev)
> >   	if (ret < 0)
> >   		return ret;
> >   
> > +	qce->mem_path = of_icc_get(qce->dev, "memory");
>
> Using devm_of_icc_get() would save you some changes to the error path.

Right. I keep forgetting to use the devm_ version! Bhupesh, will you do 
these changes or do you want me to ?

--
Warm Regards
Thara