linux-kernel - RE: [PATCH] caam: init-clk based on caam-page0-access

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Date:   Thu, 27 Jul 2023 07:43:49 +0000
From:   Pankaj Gupta <pankaj.gupta@....com>
To:     Horia Geanta <horia.geanta@....com>,
        Gaurav Jain <gaurav.jain@....com>,
        Varun Sethi <V.Sethi@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Iuliana Prodan <iuliana.prodan@....com>
CC:     "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH] caam: init-clk based on caam-page0-access



> -----Original Message-----
> From: Horia Geanta <horia.geanta@....com>
> Sent: Monday, July 17, 2023 10:39 PM
> To: Pankaj Gupta <pankaj.gupta@....com>; Gaurav Jain
> <gaurav.jain@....com>; Varun Sethi <V.Sethi@....com>; Herbert Xu
> <herbert@...dor.apana.org.au>; David S . Miller <davem@...emloft.net>;
> Iuliana Prodan <iuliana.prodan@....com>
> Cc: linux-crypto@...r.kernel.org; linux-kernel@...r.kernel.org; dl-linux-imx
> <linux-imx@....com>
> Subject: Re: [PATCH] caam: init-clk based on caam-page0-access
> 
> On 7/10/2023 8:34 AM, Pankaj Gupta wrote:
> > CAAM clock initialization to be done based on, soc specific info
> > stored in struct caam_imx_data:
> > - caam-page0-access flag
> > - num_clks
> >
> Any specific reason for deviating from downstream implementation (based on
> DT)?

Implementing based on DT will lead to multiple DT entries in the same code section:
- one entry for imx8ulp(fsl,imx8ulp-ele)
- then for imx8dxl(fsl,imx-scu)
- then for imx93 (fsl,imx93-ele)
- Similar entries for future SoC as well.

Hence, followed this approach. 

> https://github.com/nxp-imx/linux-imx/blob/lf-6.1.1-
> 1.0.1/drivers/crypto/caam/ctrl.c#L911
> 
> Thanks,
> Horia