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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Lauro Ramos Venancio <lauro.venancio@openbossa.org>,
	Aloisio Almeida Jr <aloisio.almeida@openbossa.org>,
	Samuel Ortiz <sameo@linux.intel.com>,
	linux-wireless@vger.kernel.org,
	Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v3 3/5] NFC: pn544: Convert to use devm_request_threaded_irq()
Date: Tue, 28 Mar 2017 12:36:37 +0300	[thread overview]
Message-ID: <20170328093639.53481-3-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20170328093639.53481-1-andriy.shevchenko@linux.intel.com>

The error handling will be neat and short when using managed resources.

Convert the driver to use devm_request_threaded_irq().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 v3: no change

 drivers/nfc/pn544/i2c.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index b4001306aff8..5e780e7a28e5 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -963,9 +963,10 @@ static int pn544_hci_i2c_probe(struct i2c_client *client,
 
 	pn544_hci_i2c_platform_init(phy);
 
-	r = request_threaded_irq(client->irq, NULL, pn544_hci_i2c_irq_thread_fn,
-				 IRQF_TRIGGER_RISING | IRQF_ONESHOT,
-				 PN544_HCI_I2C_DRIVER_NAME, phy);
+	r = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+				      pn544_hci_i2c_irq_thread_fn,
+				      IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+				      PN544_HCI_I2C_DRIVER_NAME, phy);
 	if (r < 0) {
 		nfc_err(&client->dev, "Unable to register IRQ handler\n");
 		return r;
@@ -976,14 +977,9 @@ static int pn544_hci_i2c_probe(struct i2c_client *client,
 			    PN544_HCI_I2C_LLC_MAX_PAYLOAD,
 			    pn544_hci_i2c_fw_download, &phy->hdev);
 	if (r < 0)
-		goto err_hci;
+		return r;
 
 	return 0;
-
-err_hci:
-	free_irq(client->irq, phy);
-
-	return r;
 }
 
 static int pn544_hci_i2c_remove(struct i2c_client *client)
@@ -1001,8 +997,6 @@ static int pn544_hci_i2c_remove(struct i2c_client *client)
 	if (phy->powered)
 		pn544_hci_i2c_disable(phy);
 
-	free_irq(client->irq, phy);
-
 	return 0;
 }
 
-- 
2.11.0

  parent reply	other threads:[~2017-03-28  9:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-28  9:36 [PATCH v3 1/5] NFC: pn544: Get rid of platform data Andy Shevchenko
2017-03-28  9:36 ` [PATCH v3 2/5] NFC: pn544: Covert to use GPIO descriptor Andy Shevchenko
2017-03-28  9:36 ` Andy Shevchenko [this message]
2017-03-28  9:36 ` [PATCH v3 4/5] NFC: pn544: Add GPIO ACPI mapping table Andy Shevchenko
2017-03-28  9:36 ` [PATCH v3 5/5] NFC: pn544: Get rid of code duplication in ->probe() Andy Shevchenko
2017-04-04 16:15 ` [PATCH v3 1/5] NFC: pn544: Get rid of platform data Andy Shevchenko
2017-04-05  8:06 ` Samuel Ortiz

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