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Message-ID: <20230626064056.46xavabpyarxqhz3@vireshk-i7>
Date: Mon, 26 Jun 2023 12:10:56 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Andrew Halaney <ahalaney@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
sboyd@...nel.org, nm@...com, vireshk@...nel.org
Subject: Re: [PATCH] OPP: Use dev_err_probe() when failing to get icc_path
On 23-06-23, 10:53, Andrew Halaney wrote:
> This, in tandem with dynamic debug, can print useful information about
> -EPROBE_DEFFER like below, and keeps similar behavior for other errors:
>
> [ 16.561072] cpu cpu0: error -EPROBE_DEFER: dev_pm_opp_of_find_icc_paths: Unable to get path0
> [ 16.575777] platform 18591000.cpufreq: deferred probe pending
>
> Signed-off-by: Andrew Halaney <ahalaney@...hat.com>
> ---
> drivers/opp/of.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/opp/of.c b/drivers/opp/of.c
> index e6d1155d0990..1f0923cc1cd9 100644
> --- a/drivers/opp/of.c
> +++ b/drivers/opp/of.c
> @@ -513,11 +513,7 @@ int dev_pm_opp_of_find_icc_paths(struct device *dev,
> for (i = 0; i < num_paths; i++) {
> paths[i] = of_icc_get_by_index(dev, i);
> if (IS_ERR(paths[i])) {
> - ret = PTR_ERR(paths[i]);
> - if (ret != -EPROBE_DEFER) {
> - dev_err(dev, "%s: Unable to get path%d: %d\n",
> - __func__, i, ret);
> - }
> + ret = dev_err_probe(dev, ret, "%s: Unable to get path%d\n", __func__, i);
> goto err;
> }
> }
Applied. Thanks.
--
viresh
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