From: Dmitry Osipenko <digetx@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] PM / devfreq: tegra30: disable clock on error in probe
Date: Tue, 8 Sep 2020 16:02:28 +0300 [thread overview]
Message-ID: <0d7fd969-8957-5db0-8c4d-2077e924181b@gmail.com> (raw)
In-Reply-To: <20200908072557.GC294938@mwanda>
08.09.2020 10:25, Dan Carpenter пишет:
> This error path needs to call clk_disable_unprepare().
>
> Fixes: 7296443b900e ("PM / devfreq: tegra30: Handle possible round-rate error")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> ---
> drivers/devfreq/tegra30-devfreq.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
> index e94a27804c20..dedd39de7367 100644
> --- a/drivers/devfreq/tegra30-devfreq.c
> +++ b/drivers/devfreq/tegra30-devfreq.c
> @@ -836,7 +836,8 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
> rate = clk_round_rate(tegra->emc_clock, ULONG_MAX);
> if (rate < 0) {
> dev_err(&pdev->dev, "Failed to round clock rate: %ld\n", rate);
> - return rate;
> + err = rate;
> + goto disable_clk;
> }
>
> tegra->max_freq = rate / KHZ;
> @@ -897,6 +898,7 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
> dev_pm_opp_remove_all_dynamic(&pdev->dev);
>
> reset_control_reset(tegra->reset);
> +disable_clk:
> clk_disable_unprepare(tegra->clock);
>
> return err;
>
Hello, Dan! Thank you for the patch!
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
next prev parent reply other threads:[~2020-09-08 17:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200908072627epcas1p41f2c8c2730d42bd8935a40b0ab8122f7@epcas1p4.samsung.com>
2020-09-08 7:25 ` [PATCH] PM / devfreq: tegra30: disable clock on error in probe Dan Carpenter
2020-09-08 13:02 ` Dmitry Osipenko [this message]
2020-09-14 7:09 ` Chanwoo Choi
2020-09-14 13:56 ` Dmitry Osipenko
2020-09-14 14:17 ` Dan Carpenter
2020-09-14 14:28 ` Dmitry Osipenko
2020-09-15 2:00 ` Chanwoo Choi
2020-09-15 2:13 ` Chanwoo Choi
2020-09-15 17:01 ` Dmitry Osipenko
2020-09-16 2:38 ` Chanwoo Choi
2020-09-16 19:07 ` Dmitry Osipenko
2020-09-17 2:32 ` Chanwoo Choi
2020-09-17 21:14 ` Dmitry Osipenko
2020-09-18 9:23 ` Chanwoo Choi
2020-09-20 21:37 ` Dmitry Osipenko
2020-09-23 0:23 ` Dmitry Osipenko
2020-09-23 0:42 ` Chanwoo Choi
2020-09-14 13:57 ` Dan Carpenter
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