linux-kernel - [char-misc-next 4/5] nfc: mei_phy: get phy from the driver data

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Date:   Wed, 19 Oct 2016 16:33:30 +0300
From:   Tomas Winkler <tomas.winkler@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>,
        Samuel Ortiz <sameo@...ux.intel.com>,
        Wim Van Sebroeck <wim@...ana.be>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     Alexander Usyskin <alexander.usyskin@...el.com>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 4/5] nfc: mei_phy: get phy from the driver data

In order to remove rather redundant context from the callback
signature we the get nfc mei_phy from the driver's data.

Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
 drivers/nfc/mei_phy.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c
index 83deda4bb4d6..66dfd81ffb18 100644
--- a/drivers/nfc/mei_phy.c
+++ b/drivers/nfc/mei_phy.c
@@ -300,7 +300,10 @@ static int mei_nfc_recv(struct nfc_mei_phy *phy, u8 *buf, size_t length)
 static void nfc_mei_event_cb(struct mei_cl_device *cldev, u32 events,
 			     void *context)
 {
-	struct nfc_mei_phy *phy = context;
+	struct nfc_mei_phy *phy = mei_cldev_get_drvdata(cldev);
+
+	if (!phy)
+		return;
 
 	if (phy->hard_fault != 0)
 		return;
-- 
2.7.4