lkml.org 
[lkml]   [2020]   [Jun]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 11/39] PM / devfreq: tegra30: Silence deferred probe error
Date
Tegra EMC driver was turned into a regular kernel driver, it also could
be compiled as a loadable kernel module now. Hence EMC clock isn't
guaranteed to be available and clk_get("emc") may return -EPROBE_DEFER and
there is no good reason to spam KMSG with a error about missing EMC clock
in this case, so let's silence the deferred probe error.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/devfreq/tegra30-devfreq.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index e94a27804c20..423dd35c95b3 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -801,9 +801,12 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
}

tegra->emc_clock = devm_clk_get(&pdev->dev, "emc");
- if (IS_ERR(tegra->emc_clock)) {
- dev_err(&pdev->dev, "Failed to get emc clock\n");
- return PTR_ERR(tegra->emc_clock);
+ err = PTR_ERR_OR_ZERO(tegra->emc_clock);
+ if (err) {
+ if (err != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Failed to get emc clock: %d\n",
+ err);
+ return err;
}

err = platform_get_irq(pdev, 0);
--
2.26.0
\
 
 \ /
  Last update: 2020-06-07 20:57    [W:0.157 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site