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From: "Ricardo Cañuelo" <ricardo.canuelo@collabora.com>
To: "Rafał Miłecki" <zajec5@gmail.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Jon Mason" <jon.mason@broadcom.com>,
	netdev@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
	"Rafał Miłecki" <rafal@milecki.pl>,
	"Jon Mason" <jdmason@kudzu.us>
Subject: Re: [PATCH net] bgmac: fix *initial* chip reset to support BCM5358
Date: Tue, 4 Apr 2023 15:46:13 +0200	[thread overview]
Message-ID: <20230404134613.wtikjp6v63isofoc@rcn-XPS-13-9305> (raw)
In-Reply-To: <20230227091156.19509-1-zajec5@gmail.com>

Hi Rafał,

On mar 07-02-2023 23:53:27, Rafał Miłecki wrote:
> While bringing hardware up we should perform a full reset including the
> switch bit (BGMAC_BCMA_IOCTL_SW_RESET aka SICF_SWRST). It's what
> specification says and what reference driver does.
> 
> This seems to be critical for the BCM5358. Without this hardware doesn't
> get initialized properly and doesn't seem to transmit or receive any
> packets.
> 
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

KernelCI found this patch causes a regression in the
bootrr.deferred-probe-empty test [1] on sun8i-h3-libretech-all-h3-cc
[2], see the bisection report for more details [3]

Does it make sense to you?

Cheers,
Ricardo

[1] https://github.com/kernelci/bootrr/blob/3ae9fd5dffc667fa96012892ea08532bc6877276/helpers/bootrr-generic-tests#L3
[2] https://linux.kernelci.org/test/case/id/642a0f5c78c0feaf5d62f79c/
[3] https://groups.io/g/kernelci-results/message/40156

#regzbot introduced: f6a95a24957a

  parent reply	other threads:[~2023-04-04 13:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27  9:11 [PATCH net] bgmac: fix *initial* chip reset to support BCM5358 Rafał Miłecki
2023-02-27  9:54 ` Leon Romanovsky
2023-02-27 18:23 ` Florian Fainelli
2023-02-28 10:30 ` patchwork-bot+netdevbpf
2023-04-04 13:46 ` Ricardo Cañuelo [this message]
2023-04-04 13:52   ` Rafał Miłecki
2023-04-05 12:42     ` Florian Fainelli
2023-04-14 14:04       ` Linux regression tracking (Thorsten Leemhuis)
2023-04-14 14:08         ` Ricardo Cañuelo
2023-04-14 14:12           ` Linux regression tracking #update (Thorsten Leemhuis)
2023-04-05 11:16   ` Linux regression tracking #update (Thorsten Leemhuis)

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