From: Sascha Hauer <sha@pengutronix.de>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: barebox@lists.infradead.org, David Jander <david@protonic.nl>
Subject: Re: [PATCH v1] nvmem: bsec.c: Use SMC_READ_OTP in stm32_bsec_read_mac()
Date: Tue, 30 Nov 2021 11:08:08 +0100 [thread overview]
Message-ID: <20211130100808.GM28260@pengutronix.de> (raw)
In-Reply-To: <20211126133108.3003431-1-o.rempel@pengutronix.de>
On Fri, Nov 26, 2021 at 02:31:08PM +0100, Oleksij Rempel wrote:
> From: David Jander <david@protonic.nl>
>
> TF-A (version >= v2.4?) apparently does not copy all of OTP to shadow
> registers so reading the MAC address area will read all-zeroes.
> Make sure to read the _real_ OTP register in this case.
>
> Signed-off-by: David Jander <david@protonic.nl>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
> drivers/nvmem/bsec.c | 21 ++++++++++++++-------
> 1 file changed, 14 insertions(+), 7 deletions(-)
Applied, thanks
Sascha
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prev parent reply other threads:[~2021-11-30 10:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-26 13:31 Oleksij Rempel
2021-11-26 16:09 ` Ahmad Fatoum
2021-11-30 10:08 ` Sascha Hauer [this message]
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