linux-kernel - Re: [PATCH linux-next v1] PCI: rockchip: Improve error handling in clock return value

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Message-ID: <20250115174012.bdny6nxxr4tuzyis@thinkpad>
Date: Wed, 15 Jan 2025 23:10:12 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Anand Moon <linux.amoon@...il.com>
Cc: Shawn Lin <shawn.lin@...k-chips.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Dan Carpenter <dan.carpenter@...aro.org>, linux-pci@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next v1] PCI: rockchip: Improve error handling in
 clock return value

On Mon, Jan 06, 2025 at 09:00:38PM +0530, Anand Moon wrote:

Subject should include the word 'fix' not 'improve'

> Updates the error message to include the actual return value of

s/Updates/Update (imperative form)

> devm_clk_bulk_get_all, which provides more context for debugging
> and troubleshooting the root cause of clock retrieval failures.
> 

Btw, it is not just updating the error message, it also returns the actual error
code.

- Mani

> Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
> Closes: https://lore.kernel.org/r/202501040409.SUV09R80-lkp@intel.com/
> Signed-off-by: Anand Moon <linux.amoon@...il.com>
> ---
>  drivers/pci/controller/pcie-rockchip.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/pcie-rockchip.c b/drivers/pci/controller/pcie-rockchip.c
> index fea867c24f75..ca6163f9d2dd 100644
> --- a/drivers/pci/controller/pcie-rockchip.c
> +++ b/drivers/pci/controller/pcie-rockchip.c
> @@ -99,7 +99,8 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
>  
>  	rockchip->num_clks = devm_clk_bulk_get_all(dev, &rockchip->clks);
>  	if (rockchip->num_clks < 0)
> -		return dev_err_probe(dev, err, "failed to get clocks\n");
> +		return dev_err_probe(dev, rockchip->num_clks,
> +				     "failed to get clocks\n");
>  
>  	return 0;
>  }
> -- 
> 2.47.1
> 

-- 
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