linux-kernel - [PATCH 5.4 003/222] soc: amlogic: meson-ee-pwrc: propagate PD provider registration errors

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Date:   Wed, 22 Jan 2020 10:26:29 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Kevin Hilman <khilman@...libre.com>
Subject: [PATCH 5.4 003/222] soc: amlogic: meson-ee-pwrc: propagate PD provider registration errors

From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>

commit 0766d65e6afaea8b80205a468207de9f18cd7ec8 upstream.

of_genpd_add_provider_onecell() can return an error. Propagate the error
so the driver registration fails when of_genpd_add_provider_onecell()
did not work.

Fixes: eef3c2ba0a42a6 ("soc: amlogic: Add support for Everything-Else power domains controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Signed-off-by: Kevin Hilman <khilman@...libre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/soc/amlogic/meson-ee-pwrc.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@@ -441,9 +441,7 @@ static int meson_ee_pwrc_probe(struct pl
 		pwrc->xlate.domains[i] = &dom->base;
 	}
 
-	of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
-
-	return 0;
+	return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
 }
 
 static void meson_ee_pwrc_shutdown(struct platform_device *pdev)