linux-kernel - [PATCH 4/6] HSI: omap_ssi: fix removal of port platform device

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Message-Id: <1461982153-19139-5-git-send-email-sre@kernel.org>
Date:	Sat, 30 Apr 2016 04:09:11 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Sebastian Reichel <sre@...nel.org>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Tony Lindgren <tony@...mide.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Pavel Machek <pavel@....cz>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Pali Rohár <pali.rohar@...il.com>
Subject: [PATCH 4/6] HSI: omap_ssi: fix removal of port platform device

This avoids removal of the HSI port device when
only the platform port device should be removed
and clears the POPULATED bit in the DT node, so
that a new platform device is created when the
driver is probed again.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
 drivers/hsi/controllers/omap_ssi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hsi/controllers/omap_ssi.c b/drivers/hsi/controllers/omap_ssi.c
index ffb921482e76..68dfdaa19938 100644
--- a/drivers/hsi/controllers/omap_ssi.c
+++ b/drivers/hsi/controllers/omap_ssi.c
@@ -451,6 +451,10 @@ static int ssi_remove_ports(struct device *dev, void *c)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 
+	if (!dev->of_node)
+		return 0;
+
+	of_node_clear_flag(dev->of_node, OF_POPULATED);
 	of_device_unregister(pdev);
 
 	return 0;
-- 
2.8.1