From: Heinrich Schuchardt <xypron.glpk@gmx.de>
To: Marek Vasut <marex@denx.de>
Cc: u-boot@lists.denx.de, Angelo Dureghello <angelo@kernel-space.org>,
Emanuele Ghidoli <emanuele.ghidoli@toradex.com>,
Fabio Estevam <festevam@gmail.com>,
Gaurav Jain <gaurav.jain@nxp.com>,
Michal Simek <michal.simek@amd.com>,
Simon Glass <sjg@chromium.org>, Stefan Roese <sr@denx.de>,
Sughosh Ganu <sughosh.ganu@linaro.org>,
Svyatoslav Ryhel <clamor95@gmail.com>,
Tom Rini <trini@konsulko.com>, Tim Harvey <tharvey@gateworks.com>
Subject: Re: [PATCH 2/3] crypto/fsl: Introduce SPL_FSL_CAAM_RNG
Date: Fri, 26 Apr 2024 16:39:53 +0200 [thread overview]
Message-ID: <8d75e195-d644-4436-8007-8476da589032@gmx.de> (raw)
In-Reply-To: <94a75eb9-950c-41f0-b9fc-c7d95ecec6c6@denx.de>
On 26.04.24 06:03, Marek Vasut wrote:
> On 4/26/24 2:16 AM, Tim Harvey wrote:
>
>>> diff --git a/drivers/crypto/fsl/Makefile b/drivers/crypto/fsl/Makefile
>>> index 7a2543e16cc..4fbce519a0b 100644
>>> --- a/drivers/crypto/fsl/Makefile
>>> +++ b/drivers/crypto/fsl/Makefile
>>> @@ -6,6 +6,6 @@ obj-y += sec.o
>>> obj-$(CONFIG_FSL_CAAM) += jr.o fsl_hash.o jobdesc.o error.o
>>> obj-$(CONFIG_CMD_BLOB)$(CONFIG_IMX_CAAM_DEK_ENCAP) += fsl_blob.o
>>> obj-$(CONFIG_RSA_FREESCALE_EXP) += fsl_rsa.o
>>> -obj-$(CONFIG_FSL_CAAM_RNG) += rng.o
>>> +obj-$(CONFIG_$(SPL_TPL_)FSL_CAAM_RNG) += rng.o
>>> obj-$(CONFIG_FSL_DCP_RNG) += dcp_rng.o
>>> obj-$(CONFIG_FSL_MFGPROT) += fsl_mfgprot.o
>>> --
>>> 2.43.0
>>>
>>
>> Marek,
>
> Hi,
>
>> Thanks - this series does solve the issue I am seeing in the SPL when
>> enabling DM_RNG. Is this going to cause an issue for people who expect
>> it to be currently enabled and now have to manually enable it?
>
> That's a good question. If I do '$ git grep FSL_CAAM_RNG' , there seem
> to be no users, so I don't think we need to worry here, right ?
>
> With SPL_DM_RNG i.e. 1/3 I am a bit more concerned. But, looking at the
> users that enable DM_RNG, I am not seeing any obvious ones that would
> require SPL_DM_RNG too. What do you think ?
Grepping for UCLASS_RNG should find usages.
The only possible SPL usage seems to be in net/net_rand.h. Here a
fallback to the mac address as seed exists.
Best regards
Heinrich
next prev parent reply other threads:[~2024-04-26 14:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 23:02 [PATCH 1/3] rng: Introduce SPL_DM_RNG Marek Vasut
2024-04-25 23:02 ` [PATCH 2/3] crypto/fsl: Introduce SPL_FSL_CAAM_RNG Marek Vasut
2024-04-26 0:16 ` Tim Harvey
2024-04-26 4:03 ` Marek Vasut
2024-04-26 14:39 ` Heinrich Schuchardt [this message]
2024-04-26 17:29 ` Marek Vasut
2024-04-26 17:34 ` Tim Harvey
2024-04-26 19:31 ` Heinrich Schuchardt
2024-04-29 9:02 ` [EXT] " Gaurav Jain
2024-04-29 12:32 ` Marek Vasut
2024-04-25 23:02 ` [PATCH 3/3] crypto/fsl: Differentiate between CAAM and DCP in Kconfig entry Marek Vasut
2024-05-05 19:12 ` [PATCH 1/3] rng: Introduce SPL_DM_RNG Fabio Estevam
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