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From: Markus Elfring <Markus.Elfring@web.de>
To: Anand Moon <linux.amoon@gmail.com>,
	linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Cc: "Bjorn Helgaas" <bhelgaas@google.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Manivannan Sadhasivam" <mani@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Shawn Lin" <shawn.lin@rock-chips.com>,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] PCI: rockchip: Propagate dev_err_probe return value
Date: Sat, 18 Oct 2025 11:50:36 +0200	[thread overview]
Message-ID: <c1c65437-a80c-473c-8c93-c7bf947f703a@web.de> (raw)
In-Reply-To: <CANAwSgQEqv2a1MGkGtj8CpXSKOXv=_wV3afOgn=iri7uqnj1bw@mail.gmail.com>

>> I find the change description improvable.
>>
> Ok, is this ok?

I present other wording preferences.


> When using the dev_err_probe() helper function in rockchip_pcie_init_port(),
> ensure its return value is consistently assigned to the return variable.

I hope that we can achieve consensus on the corresponding source code places.
https://elixir.bootlin.com/linux/v6.17.1/source/drivers/pci/controller/pcie-rockchip.c#L115-L202


> This guarantees that the original error code, whether it's a specific error
> or -EPROBE_DEFER,
> is correctly propagated up the call stack for proper error handling
> and debugging.

The mentioned programming interface should be applied correctly.


>> Would an other source code variant become more desirable?
>> https://elixir.bootlin.com/linux/v6.17.1/source/drivers/base/core.c#L5031-L5075
>>
>>         err = dev_err_probe(dev,
>>                             reset_control_bulk_assert(ROCKCHIP_NUM_CORE_RSTS, rockchip->core_rsts),
>>                             "Couldn't assert Core resets\n");
>>         if (err)
>>                 goto err_exit_phy;
> No, the correct code ensures that dev_err_probe() is only called when
> an actual error has
> occurred, providing a clear and accurate log entry. …

Do you think that anything different would happen according to my transformation suggestion?

Regards,
Markus

  reply	other threads:[~2025-10-18  9:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-18  6:11 [PATCH v1] PCI: rockchip: Propagate dev_err_probe return value Anand Moon
2025-10-18  7:15 ` [PATCH] " Markus Elfring
2025-10-18  7:39 ` Markus Elfring
2025-10-18  9:05   ` Anand Moon
2025-10-18  9:50     ` Markus Elfring [this message]
2025-10-31  8:26 ` [PATCH v1] " Manivannan Sadhasivam

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