Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 27 Jun 2019 14:47:38 -0700
Message-Id: <20190627214738.112614-1-rajatja@google.com>
Mime-Version: 1.0
Subject: [PATCH] platform/chrome: lightbar: Get drvdata from parent in suspend/resume
From:   Rajat Jain <rajatja@google.com>
To:     Benson Leung <bleung@chromium.org>,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        Guenter Roeck <groeck@chromium.org>,
        linux-kernel@vger.kernel.org, rajatxjain@gmail.com,
        evgreen@google.com, gwendal@google.com
Cc:     Rajat Jain <rajatja@google.com>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

The lightbar driver never assigned the drvdata in probe method, and
thus there is nothing there. Need to get the ec_dev from the parent's
drvdata.

Signed-off-by: Rajat Jain <rajatja@google.com>
---
 drivers/platform/chrome/cros_ec_lightbar.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/chrome/cros_ec_lightbar.c
index d30a6650b0b5..26117a8991b3 100644
--- a/drivers/platform/chrome/cros_ec_lightbar.c
+++ b/drivers/platform/chrome/cros_ec_lightbar.c
@@ -600,7 +600,7 @@ static int cros_ec_lightbar_remove(struct platform_device *pd)
 
 static int __maybe_unused cros_ec_lightbar_resume(struct device *dev)
 {
-	struct cros_ec_dev *ec_dev = dev_get_drvdata(dev);
+	struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
 
 	if (userspace_control)
 		return 0;
@@ -610,7 +610,7 @@ static int __maybe_unused cros_ec_lightbar_resume(struct device *dev)
 
 static int __maybe_unused cros_ec_lightbar_suspend(struct device *dev)
 {
-	struct cros_ec_dev *ec_dev = dev_get_drvdata(dev);
+	struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
 
 	if (userspace_control)
 		return 0;
-- 
2.22.0.410.gd8fdbe21b5-goog