netdev - Re: [PATCH] can: ctucanfd: fix SSP_SRC in cases when bit-rate is higher than 1 MBit.

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Message-ID: <20260105-flying-thankful-chachalaca-1d68e5-mkl@pengutronix.de>
Date: Mon, 5 Jan 2026 11:58:35 +0100
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Pavel Pisa <pisa@....cvut.cz>
Cc: linux-can@...r.kernel.org, David Laight <david.laight.linux@...il.com>, 
	"David S. Miller" <davem@...emloft.net>, Andrea Daoud <andreadaoud6@...il.com>, 
	Wolfgang Grandegger <wg@...ndegger.com>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, 
	Jiri Novak <jnovak@....cvut.cz>, Ondrej Ille <ondrej.ille@...il.com>
Subject: Re: [PATCH] can: ctucanfd: fix SSP_SRC in cases when bit-rate is
 higher than 1 MBit.

On 01.01.2026 00:19:26, Pavel Pisa wrote:
> From: Ondrej Ille <ondrej.ille@...il.com>

Let's describe the problem here and in an imperative way how it is
fixed.

> The change has been tested on AMD/Xilinx Zynq
> with the next CTU CN FD IP core versions:
>
>  - 2.6 aka master in the "integration with Zynq-7000 system" test
>    6.12.43-rt12+ #1 SMP PREEMPT_RT kernel with CTU CAN FD git
>    driver (change already included in the driver repo)
>  - older 2.5 snapshot with mainline kernels with this patch
>    applied locally in the multiple CAN latency tester nightly runs
>    6.18.0-rc4-rt3-dut #1 SMP PREEMPT_RT
>    6.19.0-rc3-dut
>
> The logs are available at
>
>  https://canbus.pages.fel.cvut.cz/
>
> Signed-off-by: Ondrej Ille <ondrej.ille@...il.com>
> Signed-off-by: Pavel Pisa <pisa@....cvut.cz>

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
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