From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 30 Nov 2016 12:24:56 +0000 (+0100)
Subject: PM / Domains: Do not print PM domain add error message if EPROBE_DEFER
X-Git-Tag: v4.10-rc1~152^2~6^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34994692216b5af2f05858324c3b4863cbaf41cf;p=platform%2Fkernel%2Flinux-exynos.git

PM / Domains: Do not print PM domain add error message if EPROBE_DEFER

EPROBE_DEFER is not an error, hence printing an error message like

    renesas_irqc e61c0000.interrupt-controller: failed to add to PM domain always-on: -517

may confuse the user.

Suppress the error message in case of EPROBE_DEFER to fix this.

Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 7b4d41f..46e7f60 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2031,8 +2031,9 @@ int genpd_dev_pm_attach(struct device *dev)
 	mutex_unlock(&gpd_list_lock);
 
 	if (ret < 0) {
-		dev_err(dev, "failed to add to PM domain %s: %d",
-			pd->name, ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "failed to add to PM domain %s: %d",
+				pd->name, ret);
 		goto out;
 	}